/* ==========================
   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: #6366f1;
    --primary-hover: #4f46e5;
    --primary-dark: #4f46e5;
    --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: #7c3aed;         /* violet accent */
    --primary-hover: #8b5cf6;
    --primary-dark: #5b21b6;

    /* 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: 56px;
    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: none;
    font-size: 20px;
    color: var(--text-main) !important;
    cursor: pointer;
    padding: 6px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.hamburger-menu:hover {
    background: var(--bg-main) !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: 6px 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

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

/* 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);
}

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

.app-layout {
    display: flex;
    height: calc(100vh - 56px);
    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: #5c469c;
    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: #8b7fbf;
    background-color: rgba(92, 70, 156, 0.08);
}

.item-link:focus {
    outline: 2px solid #5c469c;
    outline-offset: 2px;
}

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

[data-theme="dark"] .item-link:hover {
    color: #b5a8ee;
    background-color: rgba(196, 181, 253, 0.15);
}

[data-theme="dark"] .item-link:focus {
    outline-color: #c4b5fd;
}


.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-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,
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(0, 0, 0, 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(0, 0, 0, 0.1);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover), #8b5cf6);
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    box-shadow: 0 0 12px rgba(99, 102, 241, 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(0, 0, 0, 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(99, 102, 241, 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), #8b5cf6);
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 6px;
    box-shadow: 0 0 8px rgba(99, 102, 241, 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(99, 102, 241, 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;
    }
}