/* ==========================
   THEME VARIABLES - ROOT
   ========================== */
:root {
    /* Light theme - default */
    --bg-main: #f5f7fb;
    --bg-card: #ffffff;
    --bg-soft: #f9fafb;
    --border-color: #e5e7eb;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --primary: #1c71d8;
    --primary-hover: #1d5cb0;
    --primary-dark: #1d5cb0;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
}

/* ==========================
   DARK THEME
   ========================== */
/* [data-theme="dark"] {
    --bg-main: #0f0f14;
    --bg-card: #1a1a25;
    --bg-soft: #24243a;
    --border-color: #2d2d3f;
    --text-main: #e5e7eb;
    --text-muted: #9ca3c7;
    --primary: #2d2d3a;
    --primary-hover: #3d3d4a;
    --primary-dark: #1d1d2a;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
} */

[data-theme="dark"] {
    /* Backgrounds */
    --bg-main: #0b0d10;     /* true dark */
    --bg-card: #14161a;     /* neutral card */
    --bg-soft: #1b1e24;     /* headers / table head */

    /* Borders */
    --border-color: #2a2e35;

    /* Text */
    --text-main: #e6e8eb;   /* very readable */
    --text-muted: #b8c2d0;  /* brighter gray */

    /* Accent (USED SPARINGLY) */
    --primary: #1c71d8;         /* violet accent */
    --primary-hover: #3aa6f7;
    --primary-dark: #1d5cb0;

    /* Status */
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;

    .text-muted {
        color: #b3b8c4 !important; /* readable neutral gray */
        opacity: 1;
    }
}


/* ==========================
   RESET & BASE
   ========================== */
* {
    box-sizing: border-box;
}

html {
    background-color: var(--bg-main) !important;
    transition: background-color 0.3s ease !important;
}

body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    transition: background-color 0.3s ease, color 0.3s ease !important;
}

/* ==========================
   LAYOUT
   ========================== */
.topbar {
    height: 64px;
    background: var(--bg-soft) !important;
    border-bottom: 1px solid var(--border-color) !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    font-weight: 600;
    color: var(--text-main) !important;
    flex-wrap: nowrap;
    min-width: 0;
}

.topbar-left,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex-wrap: nowrap;
}

/* ==========================
   HAMBURGER MENU & THEME TOGGLE
   ========================== */
.hamburger-menu {
    background: none;
    border: 1px solid transparent;
    font-size: 20px;
    color: var(--text-main) !important;
    cursor: pointer;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    height: 40px;
    width: 40px;
    line-height: 1;
}

.hamburger-menu i {
    margin: 0;
}

.hamburger-menu:hover {
    background: var(--bg-main) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color) !important;
    font-size: 18px;
    color: var(--text-main) !important;
    cursor: pointer;
    padding: 8px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    height: 40px;
    width: 40px;
    line-height: 1;
}

.theme-toggle-btn:hover {
    background: var(--bg-main) !important;
    border-color: var(--primary) !important;
}

/* Language Switcher */
#languageSwitcher {
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 14px;
    cursor: pointer;
    height: 40px;
    transition: all 0.2s ease;
}

#languageSwitcher:hover {
    border-color: var(--primary) !important;
}

#languageSwitcher:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(28, 113, 216, 0.2);
}

#languageSwitcher option {
    background: var(--bg-card);
    color: var(--text-main);
}

/* Mobile Menu Drawer */
.mobile-menu-drawer {
    position: fixed;
    left: -320px;
    top: 0;
    width: 300px;
    height: 100vh;
    background: var(--bg-soft) !important;
    border-right: 1px solid var(--border-color) !important;
    z-index: 9999;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
}

.mobile-menu-drawer.open {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-color) !important;
    font-weight: 600;
    color: var(--text-main) !important;
}

.close-menu-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-main) !important;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.close-menu-btn:hover {
    color: var(--primary) !important;
}

.mobile-menu-content {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 4px;
    text-decoration: none;
    color: var(--text-main) !important;
    border-radius: 6px;
    background: transparent;
    transition: all 0.15s ease;
    font-weight: 500;
}

.mobile-menu-item:hover {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary) !important;
}

.mobile-menu-item.admin-item {
    color: var(--warning) !important;
}

.mobile-menu-item.admin-item:hover {
    background: rgba(245, 158, 11, 0.15);
}

.mobile-menu-item.trash-item {
    color: var(--danger) !important;
}

.mobile-menu-item.trash-item:hover {
    background: rgba(239, 68, 68, 0.15);
}

.mobile-menu-item.logout-item {
    color: var(--danger) !important;
    font-weight: 600;
}

.mobile-menu-item.logout-item:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* Topbar logout button styling */
.topbar .logout-item {
    padding: 8px 12px !important;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color) !important;
    border-radius: 4px;
    margin-bottom: 0 !important;
    background: transparent;
    transition: all 0.2s ease;
}

.topbar .logout-item:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: var(--danger) !important;
}

.mobile-menu-divider {
    margin: 12px 0;
    border: none;
    border-top: 1px solid var(--border-color) !important;
}

.app-layout {
    display: flex;
    height: calc(100vh - 64px);
    background: var(--bg-main) !important;
}

.sidebar {
    width: 240px;
    background: var(--bg-soft) !important;
    border-right: 1px solid var(--border-color) !important;
    padding: 16px;
    overflow-y: auto;
}

.sidebar a {
    display: block;
    padding: 10px 12px;
    margin-bottom: 6px;
    text-decoration: none;
    color: var(--text-main) !important;
    border-radius: 6px;
    background: transparent;
    transition: background 0.15s;
}

/* .sidebar a:hover {
    background: var(--primary) !important;
    color: white !important;
} */

.sidebar a:hover {
    background: rgba(124, 58, 237, 0.15);
    color: var(--text-main);
}


.content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: var(--bg-main) !important;
}

/* ==========================
   CONTENT HEADER
   ========================== */
.content-header {
    background: var(--bg-card) !important;
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color) !important;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.breadcrumb a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-soft) !important;
    color: var(--text-main) !important;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid var(--border-color) !important;
    transition: all 0.15s;
}

.breadcrumb a:hover {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
}

.breadcrumb-separator {
    color: var(--text-muted) !important;
    margin: 0 4px;
}

.current-folder {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-main) !important;
    margin-bottom: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    letter-spacing: -0.5px;
    word-break: break-word;
    text-transform: capitalize;
}

.folder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 16px;
}

.folder-actions {
    display: flex;
    gap: 8px;
}

/* ==========================
   BUTTONS
   ========================== */
.upload-btn,
.new-folder-btn {
    padding: 10px 18px;
    background-color: var(--primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.upload-btn:hover,
.new-folder-btn:hover {
    background-color: var(--primary-hover) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.upload-btn:active,
.new-folder-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn,
.btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    color: white !important;
    transition: all 0.15s;
}

.btn:hover,
.btn-primary:hover {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.btn-secondary {
    background-color: var(--text-muted) !important;
    border-color: var(--text-muted) !important;
    color: white !important;
}

.btn-success {
    background-color: var(--success) !important;
    border-color: var(--success) !important;
}

.btn-danger {
    background-color: var(--danger) !important;
    border-color: var(--danger) !important;
}

.btn-warning {
    background-color: var(--warning) !important;
    border-color: var(--warning) !important;
    color: white !important;
}

.btn-info {
    background-color: var(--info) !important;
    border-color: var(--info) !important;
    color: white !important;
}

.btn-outline-primary {
    color: white !important;
    border-color: var(--primary) !important;
    background-color: var(--primary) !important;
    padding: 8px 14px !important;
    border-radius: 6px !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2) !important;
    transition: all 0.2s ease !important;
    font-weight: 500;
}

.btn-outline-primary:hover {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
    transform: translateY(-1px) !important;
}

/* ==========================
   FORMS & INPUTS
   ========================== */
.search-bar {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.search-bar input[type="text"] {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-main) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.15s;
}

.search-bar input[type="text"]:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-bar button {
    padding: 8px 16px;
    background: var(--primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.15s;
}

.search-bar button:hover {
    background: var(--primary-hover) !important;
}

.form-control,
.form-select {
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25) !important;
}

.form-label {
    color: var(--text-main) !important;
    font-weight: 500;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-main) !important;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    padding: 8px 12px;
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1) !important;
}

.create-folder-form,
.upload-form {
    background-color: var(--bg-card) !important;
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid var(--border-color) !important;
}

.form-row {
    display: flex;
    gap: 8px;
}

.folder-name-input,
.file-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    background-color: var(--bg-main) !important;
    color: var(--text-main) !important;
}

.btn-create,
.btn-cancel {
    padding: 8px 16px;
    border: none !important;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.15s;
}

.btn-create {
    background-color: var(--success) !important;
    color: white !important;
}

.btn-create:hover {
    background-color: #16a34a !important;
}

.btn-cancel {
    background-color: var(--text-muted) !important;
    color: white !important;
}

.btn-cancel:hover {
    background-color: var(--text-main) !important;
}

/* ==========================
   TABLES
   ========================== */
.items-table {
    background: var(--bg-card) !important;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color) !important;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card) !important;
}

thead {
    background: var(--bg-soft) !important;
    border-bottom: 1px solid var(--border-color) !important;
}

th {
    text-align: left;
    padding: 14px 20px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted) !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--bg-soft) !important;
    border: none !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

tbody tr {
    border-bottom: 1px solid var(--border-color) !important;
    transition: all 0.2s ease;
    background: var(--bg-card) !important;
}

tbody tr:hover {
    background: rgba(99, 102, 241, 0.02) !important;
    box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.1);
}

tbody tr:last-child {
    border-bottom: none !important;
}

td {
    padding: 16px 20px;
    font-size: 14px;
    color: var(--text-main) !important;
    background: transparent;
    border: none !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

.table {
    color: var(--text-main) !important;
    background-color: transparent !important;
    margin-bottom: 0 !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: transparent !important;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-soft) !important;
}

.table td,
.table th {
    border-color: var(--border-color) !important;
    background-color: transparent;
}

.table thead,
.table-dark {
    background: var(--bg-soft) !important;
}

.table thead th {
    background-color: var(--bg-soft) !important;
    color: var(--text-muted) !important;
    border-color: var(--border-color) !important;
}

.table tbody {
    background-color: transparent !important;
}

.table tbody td {
    background-color: transparent !important;
    color: var(--text-main) !important;
}

.item-name {
    display: flex;
    align-items: center;
    gap: 12px;
}

.item-icon {
    font-size: 20px;
    opacity: 0.8;
}

.item-link {
    color: #1f2937;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    letter-spacing: 0.3px;
    text-decoration: none;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 4px;
    margin: -4px -8px;
}

.item-link:hover {
    color: #1d5cb0;
    background-color: rgba(28, 113, 216, 0.08);
}

.item-link:focus {
    outline: 2px solid #1d5cb0;
    outline-offset: 2px;
}

/* Dark theme - lighter colors for better readability */
[data-theme="dark"] .item-link {
    color: #ffffff;
}

[data-theme="dark"] .item-link:hover {
    color: #5bb6ff;
    background-color: rgba(58, 166, 247, 0.15);
}

[data-theme="dark"] .item-link:focus {
    outline-color: #1d5cb0;
}


.item-size {
    color: var(--text-muted) !important;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
}

.item-actions {
    display: flex;
    gap: 6px;
}

.item-actions button,
.item-actions a {
    padding: 8px 14px;
    font-size: 13px;
    border: none !important;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: transparent !important;
    font-weight: 500;
    white-space: nowrap;
}

.item-actions .btn-delete {
    background-color: rgba(239, 68, 68, 0.12) !important;
    color: var(--danger) !important;
}

.item-actions .btn-delete:hover {
    background-color: var(--danger) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.item-actions .btn-download {
    background-color: rgba(34, 197, 94, 0.12) !important;
    color: var(--success) !important;
}

.item-actions .btn-download:hover {
    background-color: var(--success) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.item-actions .btn-view {
    background-color: rgba(59, 130, 246, 0.12) !important;
    color: #3b82f6 !important;
}

.item-actions .btn-view:hover {
    background-color: #3b82f6 !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.item-actions .btn-open {
    background-color: rgba(99, 102, 241, 0.12) !important;
    color: var(--primary) !important;
}

.item-actions .btn-open:hover {
    background-color: var(--primary) !important;
    color: white !important;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted) !important;
}

/* ==========================
   CARDS & MODALS
   ========================== */
.card {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
    background-color: var(--bg-soft) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
}

.card-body {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
}

.card-text {
    color: var(--text-main) !important;
}

.card-title {
    color: var(--text-main) !important;
}

.modal-content {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
}

.modal-header {
    background-color: var(--bg-soft) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
}

.modal-body {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
}

.modal-footer {
    background-color: var(--bg-card) !important;
    border-top: 1px solid var(--border-color) !important;
}

/* ==========================
   ALERTS & BADGES
   ========================== */
.alert {
    background-color: var(--bg-card) !important;
    color: var(--text-main) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
}

.alert-success {
    border-left: 4px solid var(--success) !important;
    background-color: rgba(34, 197, 94, 0.05) !important;
    color: var(--text-main) !important;
}

.alert-danger {
    border-left: 4px solid var(--danger) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    color: var(--text-main) !important;
}

.alert-warning {
    border-left: 4px solid var(--warning) !important;
    background-color: rgba(245, 158, 11, 0.05) !important;
    color: var(--text-main) !important;
}

.alert-info {
    border-left: 4px solid var(--info) !important;
    background-color: rgba(6, 182, 212, 0.05) !important;
    color: var(--text-main) !important;
}

.badge {
    border-radius: 4px;
    font-weight: 600;
    padding: 4px 8px;
}

.badge.bg-primary {
    background-color: var(--primary) !important;
    color: white !important;
}

.badge.bg-success {
    background-color: var(--success) !important;
    color: white !important;
}

.badge.bg-danger {
    background-color: var(--danger) !important;
    color: white !important;
}

.badge.bg-warning {
    background-color: var(--warning) !important;
    color: white !important;
}

.badge.bg-info {
    background-color: var(--info) !important;
    color: white !important;
}

.badge.bg-secondary {
    background-color: var(--text-muted) !important;
    color: white !important;
}

/* ==========================
   NAVIGATION & TABS
   ========================== */
.nav-tabs {
    border-bottom: 2px solid var(--border-color) !important;
    background: transparent !important;
}

.nav-tabs .nav-link {
    color: var(--text-muted) !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    background: transparent !important;
    transition: all 0.15s;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: var(--primary) !important;
    color: var(--text-main) !important;
}

.nav-tabs .nav-link.active {
    background-color: transparent !important;
    border-bottom-color: var(--primary) !important;
    color: var(--text-main) !important;
}

.dropdown-menu {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
}

.dropdown-item {
    color: var(--text-main) !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bg-soft) !important;
    color: var(--text-main) !important;
}

.list-group {
    background-color: transparent !important;
}

.list-group-item {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
}

.list-group-item:hover {
    background-color: var(--bg-soft) !important;
}

.list-group-item.active {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

/* ==========================
   LOGIN PAGE
   ========================== */
.login-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-main) !important;
}

.login-box {
    width: 100%;
    max-width: 380px;
    padding: 0 16px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main) !important;
}

.login-header p {
    font-size: 16px;
    color: var(--text-muted) !important;
    margin: 0;
}

.login-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.login-button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    background-color: var(--primary) !important;
    color: white !important;
    border: none !important;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.15s;
}

.login-button:hover {
    background-color: var(--primary-hover) !important;
}

.error-message {
    padding: 12px 16px;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger) !important;
    border-radius: 6px;
    color: var(--danger) !important;
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

.success-message {
    padding: 12px 16px;
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success) !important;
    border-radius: 6px;
    color: var(--success) !important;
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
}

.theme-toggle-btn {
    padding: 10px 16px;
    background: var(--primary) !important;
    color: white !important;
    border: 2px solid var(--primary) !important;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.theme-toggle-btn:hover {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

.theme-toggle-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

.user-email {
    font-size: 14px;
    color: var(--text-muted) !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.admin-btn,
.logout-btn {
    padding: 6px 12px;
    border: none !important;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.admin-btn {
    background-color: var(--warning) !important;
    color: white !important;
}

.admin-btn:hover {
    background-color: #d97706 !important;
}

.trash-btn {
    display: block;
    padding: 10px 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--danger) !important;
    border-radius: 6px;
    background: transparent;
    transition: background 0.15s;
    font-weight: 500;
}

.trash-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger) !important;
}

.logout-btn {
    background-color: var(--danger) !important;
    color: white !important;
}

.logout-btn:hover {
    background-color: #dc2626 !important;
}

/* ==========================
   UTILITIES
   ========================== */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 32px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 32px; }

.me-2 { margin-right: 8px; }
.me-3 { margin-right: 12px; }

.px-4 { padding: 0 24px; }

.p-3 { padding: 12px; }
.p-4 { padding: 16px; }

.d-flex {
    display: flex;
}

.gap-2 {
    gap: 8px;
}

.gap-3 {
    gap: 12px;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

/* ==========================
   RESPONSIVE
   ========================== */
@media (max-width: 768px) {
    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        display: none;
    }

    .folder-header {
        flex-direction: column;
        align-items: stretch;
    }

    .folder-actions {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .folder-actions button {
        flex: 1;
        display: flex;
        white-space: nowrap;
        justify-content: center;
    }

    .upload-btn,
    .new-folder-btn {
        display: flex;
    }

    .form-row {
        flex-direction: column;
    }

    .topbar {
        height: 56px;
        padding: 0 12px;
    }

    .topbar > div {
        min-width: 0;
    }

    .theme-toggle-btn {
        padding: 4px 8px;
        font-size: 16px;
    }

    .user-email {
        display: none;
    }

    .bulk-actions-content {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .bulk-action-buttons {
        flex-direction: column;
    }

    .bulk-action-btn {
        width: 100%;
        justify-content: center;
    }

    .selected-count {
        text-align: center;
        min-width: auto;
    }

    .item-actions {
        flex-direction: column;
        gap: 4px;
    }

    .item-actions button,
    .item-actions a {
        padding: 6px 10px;
        font-size: 12px;
        width: 100%;
        white-space: nowrap;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .item-actions i {
        margin-right: 4px;
    }

    .items-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 500px;
    }

    .content {
        padding: 12px;
        overflow-x: hidden;
    }
}

/* ==========================
   SCROLLBAR STYLING
   ========================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
/* ==========================
   FONT AWESOME ICON STYLING
   ========================== */
i {
    margin-right: 6px;
}

/* Icon in buttons */
button i {
    margin-right: 6px;
}

button.profile-btn i,
button.theme-toggle-btn i,
button.hamburger-menu i {
    margin-right: 0;
}

a i {
    margin-right: 6px;
}

/* Icon spacing for small elements */
.user-email i,
.admin-btn i,
.logout-btn i {
    margin-right: 6px;
}

/* Sidebar icon styling */
.sidebar a i {
    width: 20px;
    text-align: center;
    margin-right: 10px;
    font-size: 1.1em;
}

/* Button icon alignment */
.upload-btn i,
.new-folder-btn i,
.create-folder-btn i,
.delete-btn i,
.download-btn i {
    margin-right: 6px;
}

/* Theme toggle icon */
#theme-icon {
    font-size: 1.1em;
    margin-right: 0;
}

/* ==========================
   UPLOAD PROGRESS STYLING
   ========================== */
.upload-progress {
    background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-card) 100%);
    border-radius: 12px;
    padding: 16px;
    border: 1.5px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.progress-label {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.progress-percent {
    color: var(--primary);
    font-weight: 800;
    font-size: 16px;
    min-width: 45px;
    text-align: right;
}

.progress-bar-container {
    width: 100%;
    height: 10px;
    background: var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 14px;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.1);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover), var(--primary-dark));
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    gap: 8px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    padding: 10px 12px;
}

.progress-info span {
    flex: 1;
    text-align: center;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ==========================
   SIDEBAR UPLOAD WIDGET
   ========================== */
.sidebar-upload-widget {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-card) 100%);
    border-top: 2px solid var(--primary);
    border-radius: 12px 12px 0 0;
    padding: 0;
    margin: 0 12px 12px 12px;
    box-shadow: 0 -4px 16px rgba(99, 102, 241, 0.15);
    animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    font-weight: 700;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent);
}

.widget-header i {
    margin-right: 8px;
    color: var(--primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.btn-close-widget {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 20px;
    padding: 4px 4px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    border-radius: 4px;
}

.btn-close-widget:hover {
    color: var(--text-main);
    background: rgba(99, 102, 241, 0.1);
}

.widget-content {
    padding: 14px 16px;
}

.progress-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.progress-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.widget-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover), var(--primary-dark));
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 6px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

.progress-details {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
    gap: 6px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}

.progress-details span {
    flex: 1;
    text-align: center;
    font-weight: 700;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

/* Adjust sidebar to make room for widget */
.sidebar {
    position: relative;
    padding-bottom: 140px;
}

/* ==========================
   CHECKBOXES & BULK ACTIONS
   ========================== */
input[type="checkbox"].select-all-checkbox,
input[type="checkbox"].item-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
    transition: all 0.2s ease;
}

input[type="checkbox"].select-all-checkbox:hover,
input[type="checkbox"].item-checkbox:hover {
    transform: scale(1.1);
}

input[type="checkbox"].select-all-checkbox:checked,
input[type="checkbox"].item-checkbox:checked {
    accent-color: var(--primary);
}

.selected-row {
    background-color: rgba(99, 102, 241, 0.08) !important;
    box-shadow: inset 1px 0 0 rgba(99, 102, 241, 0.2), inset -1px 0 0 rgba(99, 102, 241, 0.2);
}

.bulk-actions-bar {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.04));
    border: 1.5px solid var(--primary);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 16px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.12);
    animation: slideDown 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bulk-actions-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    min-width: 0;
}

.selected-count {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 140px;
}

.bulk-action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.bulk-action-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.bulk-download-btn {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.08));
    color: var(--success);
    border: 1px solid var(--success);
}

.bulk-download-btn:hover {
    background: var(--success);
    color: white;
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
    transform: translateY(-2px);
}

.bulk-delete-btn {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(239, 68, 68, 0.08));
    color: var(--danger);
    border: 1px solid var(--danger);
}

.bulk-delete-btn:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

.bulk-clear-btn {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.15), rgba(107, 114, 128, 0.08));
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
}

.bulk-clear-btn:hover {
    background: var(--text-muted);
    color: white;
    box-shadow: 0 4px 12px rgba(107, 114, 128, 0.3);
    transform: translateY(-2px);
}

/* Responsive bulk actions */
@media (max-width: 768px) {
    .bulk-actions-content {
        flex-direction: column;
        gap: 12px;
    }

    .bulk-action-buttons {
        width: 100%;
    }

    .bulk-action-btn {
        flex: 1;
    }

    .selected-count {
        width: 100%;
        text-align: center;
    }
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-email {
    font-size: 14px;
    color: var(--text-muted);
}

.admin-btn,
.logout-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.admin-btn {
    background-color: var(--warning);
    color: white;
}

.admin-btn:hover {
    background-color: #d97706;
}

.logout-btn {
    background-color: var(--danger);
    color: white;
}

.logout-btn:hover {
    background-color: #dc2626;
}

.mt-5 {
    margin-top: 48px;
}

.mt-2 {
    margin-top: 8px;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-3 {
    margin-bottom: 16px;
}

.mb-4 {
    margin-bottom: 24px;
}

.mb-5 {
    margin-bottom: 32px;
}

.shared-section-header {
    color: var(--text-primary, #1f2937);
    margin-bottom: 16px;
    font-weight: 600;
    font-size: 18px;
}

/* Rename button styles */
.btn-rename {
    background: none;
    border: none;
    color: var(--text-muted, #6b7280);
    cursor: pointer;
    padding: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.btn-rename:hover {
    background-color: var(--primary-light, #e0f2fe);
    color: var(--primary, #0284c7);
}

.btn-rename:active {
    transform: scale(0.95);
}

/* Drag and drop visual feedback */
.item-row.dragging {
    opacity: 0.5;
    background-color: #f3f4f6;
}

.item-row.drag-over {
    background-color: #dbeafe;
    border: 2px dashed var(--primary, #0284c7);
}

/* Rename input in table cell */
.rename-input-cell {
    padding: 0 !important;
    background-color: white;
}

.rename-input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--primary, #0284c7);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.rename-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

.rename-actions {
    display: inline-flex;
    gap: 6px;
    margin-left: 8px;
}

.rename-btn-confirm,
.rename-btn-cancel {
    padding: 4px 8px;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.rename-btn-confirm {
    background-color: var(--success, #10b981);
    color: white;
}

.rename-btn-confirm:hover {
    background-color: #059669;
}

.rename-btn-cancel {
    background-color: #e5e7eb;
    color: var(--text-primary, #1f2937);
}

.rename-btn-cancel:hover {
    background-color: #d1d5db;
}

/* ==========================
   IMAGE VIEWER STYLES
   ========================== */
.image-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.image-viewer-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
}

.image-viewer-content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.image-viewer-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.image-viewer-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    color: white;
}

.image-viewer-title {
    font-size: 18px;
    font-weight: 500;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    max-width: 70%;
}

.image-viewer-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 50%;
}

.image-viewer-close-btn:hover {
    background-color: rgba(0, 0, 0, 0);
}

.image-viewer-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 36px;
    cursor: pointer;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 4px;
    min-width: 50px;
    min-height: 50px;
}

.image-viewer-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.image-viewer-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.image-viewer-nav-btn.prev-btn {
    left: 20px;
}

.image-viewer-nav-btn.next-btn {
    right: 20px;
}

.image-viewer-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: white;
}

.image-viewer-counter {
    font-size: 14px;
}

.image-viewer-actions {
    display: flex;
    gap: 12px;
}

.image-viewer-action-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.image-viewer-action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .image-viewer-nav-btn {
        padding: 8px 12px;
        min-width: 40px;
        min-height: 40px;
        font-size: 28px;
    }

    .image-viewer-nav-btn.prev-btn {
        left: 10px;
    }

    .image-viewer-nav-btn.next-btn {
        right: 10px;
    }

    .image-viewer-header {
        padding: 12px;
    }

    .image-viewer-footer {
        padding: 12px;
    }

    .image-viewer-title {
        font-size: 14px;
    }

    .image-viewer-close-btn {
        font-size: 24px;
        width: 36px;
        height: 36px;
    }
}

.pdf-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    animation: fadeIn 0.3s ease-in-out;
}

.pdf-viewer-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-viewer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
}

.pdf-viewer-iframe {
    width: 90vw;
    height: 85vh;
    border: none;
    border-radius: 4px;
}

.pdf-viewer-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent);
    color: white;
    z-index: 1;
}

.pdf-viewer-title {
    font-size: 18px;
    font-weight: 500;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    max-width: 70%;
}

.pdf-viewer-close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 50%;
}

.pdf-viewer-close-btn:hover {
    background-color: rgba(255, 255, 255, 0);
}

.pdf-viewer-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: white;
    z-index: 1;
}

.pdf-viewer-counter {
    font-size: 14px;
}

.pdf-viewer-actions {
    display: flex;
    gap: 12px;
}

.pdf-viewer-action-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.pdf-viewer-action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .pdf-viewer-iframe {
        width: 95vw;
        height: 80vh;
    }

    .pdf-viewer-header {
        padding: 12px;
    }

    .pdf-viewer-footer {
        padding: 12px;
    }

    .pdf-viewer-title {
        font-size: 14px;
    }

    .pdf-viewer-close-btn {
        font-size: 24px;
        width: 36px;
        height: 36px;
    }
}

.admin-container {
    max-width: 1200px;
    margin: 0 auto;
}

.admin-container h1,
.admin-container h2,
.admin-container h5 {
    color: var(--text-main);
}

.admin-container .row {
    margin-bottom: 24px;
}

.admin-container .col-md-3,
.admin-container .col-md-4,
.admin-container .col-md-6 {
    margin-bottom: 16px;
}

.admin-container .card.text-white.bg-primary {
    background-color: var(--primary) !important;
}

.admin-container .card.text-white.bg-success {
    background-color: var(--success) !important;
}

.admin-container .card.text-white.bg-info {
    background-color: var(--info) !important;
}

.admin-container .card.text-white.bg-warning {
    background-color: var(--warning) !important;
}

.admin-container .display-4 {
    color: white;
}

.admin-container .list-group {
    background-color: transparent;
}

.admin-container .list-group-item {
    background-color: var(--bg-soft);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.admin-container .list-group-item:hover {
    background-color: var(--bg-card);
}

.admin-container .badge {
    margin-right: 8px;
}

.admin-container .card {
    border: none !important;
    border-left: none !important;
    box-shadow: none;
}

/* ==========================
   PROFILE DROPDOWN MENU
   ========================== */
.profile-dropdown-container {
    position: relative;
    display: flex;
    align-items: center;
}

.profile-btn {
    background: none;
    border: 1px solid var(--border-color) !important;
    font-size: 24px;
    color: var(--text-main) !important;
    cursor: pointer;
    padding: 8px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s ease;
    height: 40px;
    width: 40px;
    line-height: 1;
}

.profile-btn:hover {
    background: var(--bg-main) !important;
    border-color: var(--primary) !important;
}

.profile-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 200px;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

.profile-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.profile-menu-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color) !important;
    font-weight: 600;
    color: var(--text-main) !important;
    font-size: 14px;
    word-break: break-all;
}

.profile-menu-item {
    display: block;
    padding: 12px 16px;
    color: var(--text-main) !important;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.profile-menu-item:hover {
    background: var(--bg-soft) !important;
    color: var(--danger) !important;
}

.profile-menu-item i {
    margin-right: 8px;
}

/* ==========================
   TERMS AND PRIVACY PAGE
   ========================== */
.terms-page {
    padding: 32px 16px 64px;
    display: flex;
    justify-content: center;
}

.terms-card {
    width: 100%;
    max-width: 920px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.terms-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.terms-header h1 {
    margin: 0 0 6px;
    font-size: 24px;
    color: var(--text-main);
}

.terms-subtitle {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

.terms-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.terms-lang {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.close-link {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: var(--bg-card);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.close-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.lang-link {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    background: var(--bg-soft);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.lang-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.lang-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.terms-content {
    color: var(--text-main);
    line-height: 1.6;
    font-size: 15px;
}

.terms-content h1,
.terms-content h2,
.terms-content h3 {
    margin-top: 24px;
    color: var(--text-main);
}

.terms-content h1:first-child,
.terms-content h2:first-child,
.terms-content h3:first-child {
    margin-top: 0;
}

.terms-content ul {
    padding-left: 20px;
}

.terms-content hr {
    margin: 24px 0;
    border-color: var(--border-color);
}

/* ==========================
   LOGIN PAGE STYLES
   ========================== */
.login-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-main);
}

.login-box {
    width: 100%;
    max-width: 380px;
    padding: 0 16px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.login-header p {
    font-size: 16px;
    color: var(--text-muted);
    margin: 0;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-main);
    color: var(--text-main);
    font-size: 14px;
    transition: all 0.15s;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.login-button {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.15s;
}

.login-button:hover {
    background-color: var(--primary-hover);
}

.login-button:active {
    transform: scale(0.98);
}

.terms-note {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.5;
}

.terms-note a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.terms-note a:hover {
    text-decoration: underline;
}

/* Terms Checkbox Styles */
.terms-checkbox {
    margin: 16px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    flex-shrink: 0;
    height: 18px;
    width: 18px;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 10px;
    margin-top: 2px;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-container:hover .checkmark {
    border-color: var(--primary);
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark::after {
    content: "";
    display: none;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.checkbox-container input[type="checkbox"]:checked ~ .checkmark::after {
    display: block;
}

.checkbox-label {
    flex: 1;
}

.checkbox-label a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.checkbox-container input[type="checkbox"]:invalid ~ .checkmark {
    border-color: var(--primary);
}

.error-message {
    padding: 12px 16px;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: 6px;
    color: var(--danger);
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

.success-message {
    padding: 12px 16px;
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    border-radius: 6px;
    color: var(--success);
    margin-bottom: 16px;
    font-size: 14px;
    text-align: center;
}

.theme-toggle {
    position: fixed;
    top: 16px;
    right: 16px;
}

/* ==========================
   DOCUMENT VIEWER PAGE STYLES
   ========================== */
.viewer-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
}

.viewer-header {
    height: 64px;
    padding: 0 24px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    color: var(--text-main);
    word-break: break-word;
    max-width: 400px;
    font-size: 15px;
}

.file-type-badge {
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.btn {
    padding: 8px 16px;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    font-size: 14px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 2px 8px rgba(28, 113, 216, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-soft);
    border-color: var(--primary);
    color: var(--primary);
}

.viewer-content {
    flex: 1;
    overflow: auto;
    background: var(--bg-main);
    display: flex;
    align-items: center;
    justify-content: center;
}

.text-viewer {
    width: 100%;
    height: 100%;
    overflow: auto;
    background: var(--bg-card);
    padding: 24px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    box-sizing: border-box;
    color: var(--text-main);
}

.text-viewer pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-main);
}

.code-viewer {
    width: 100%;
    height: 100%;
    overflow: auto;
    background: var(--bg-card);
}

.code-viewer pre {
    margin: 0;
    height: 100%;
    padding: 24px;
    background: #282c34;
    color: #abb2bf;
    border-radius: 0;
    box-sizing: border-box;
}

.code-viewer code {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.code-viewer .hljs {
    background: #282c34;
    padding: 0;
    color: #abb2bf;
}

.office-viewer {
    width: 100%;
    height: 100%;
    overflow: auto;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.office-viewer iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-viewer {
    width: 100%;
    height: 100%;
    overflow: auto;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.video-viewer video {
    max-width: 100%;
    max-height: calc(100% - 40px);
    border-radius: 8px;
    background: #000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .video-viewer video {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.unsupported-viewer {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
}

.unsupported-content {
    text-align: center;
    padding: 40px 20px;
}

.unsupported-content i {
    font-size: 64px;
    color: var(--border-color);
    margin-bottom: 20px;
    display: block;
}

.unsupported-content h2 {
    color: var(--text-main);
    margin: 0 0 10px 0;
    font-size: 24px;
}

.unsupported-content p {
    color: var(--text-muted);
    margin: 0 0 30px 0;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 16px;
}

.loading i {
    font-size: 20px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================
   RESPONSIVE STYLES
   ========================== */
@media (max-width: 768px) {
    .viewer-header {
        flex-direction: column;
        height: auto;
        gap: 12px;
        padding: 12px 16px;
    }

    .header-left {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
    }

    .file-name {
        max-width: none;
    }

    .header-right {
        width: 100%;
        justify-content: flex-start;
    }

    .btn {
        padding: 8px 12px;
        font-size: 13px;
    }

    .file-info {
        width: 100%;
    }

    .text-viewer, .code-viewer pre {
        padding: 16px;
    }
}