/* ==========================================================================
   KB DOCUMENT V2 — Design System
   Transposition du design React/Tailwind en CSS vanilla
   ========================================================================== */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    --color-sidebar: #141414;
    --color-sidebar-hover: #2A2A2A;
    --color-primary: #1D72F2;
    --color-primary-hover: #1557b0;
    --color-bg-main: #F8F9FA;
    --color-white: #ffffff;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-red-50: #FEF2F2;
    --color-red-500: #EF4444;
    --color-red-600: #DC2626;
    --color-blue-50: #EFF6FF;
    --color-blue-100: #DBEAFE;
    --color-blue-500: #3B82F6;
    --color-blue-600: #2563EB;
    --color-green-50: #F0FDF4;
    --color-green-500: #22C55E;
    --color-green-600: #16A34A;
    --color-indigo-500: #6366F1;
    --color-emerald-500: #10B981;
    --color-orange-500: #F97316;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body.v2 {
    font-family: var(--font-sans);
    background: var(--color-bg-main);
    color: var(--color-gray-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------- Layout ---------- */
.v2-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.v2-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.v2-content {
    flex: 1;
    overflow: hidden;
    padding: 32px;
    display: flex;
    flex-direction: column;
}

.v2-content-inner {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

/* ---------- Sidebar ---------- */
.v2-sidebar {
    width: 256px;
    background: var(--color-sidebar);
    height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--color-gray-400);
    padding: 16px;
    flex-shrink: 0;
}

.v2-sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 8px;
    margin-bottom: 40px;
    text-decoration: none;
}

.v2-sidebar-logo-circle {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 12px;
}

.v2-sidebar-logo-text {
    color: white;
    font-weight: 700;
    font-size: 20px;
}

.v2-sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.v2-sidebar-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 12px;
    border: none;
    background: transparent;
    color: var(--color-gray-400);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-decoration: none;
}

.v2-sidebar-item:hover {
    color: white;
    background: var(--color-sidebar-hover);
}

.v2-sidebar-item.active {
    color: white;
    background: var(--color-sidebar-hover);
}

.v2-sidebar-footer {
    padding-top: 16px;
    border-top: 1px solid #2d2d2d;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.v2-sidebar-footer-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--color-gray-400);
    font-family: var(--font-sans);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-md);
    text-decoration: none;
}

.v2-sidebar-footer-item:hover {
    color: white;
}

.v2-sidebar-footer-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ---------- Header ---------- */
.v2-header {
    height: 64px;
    border-bottom: 1px solid var(--color-gray-200);
    background: var(--color-white);
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
}

.v2-header-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-600);
}

.v2-header-nav a {
    text-decoration: none;
    color: var(--color-gray-600);
    transition: var(--transition);
    padding-bottom: 20px;
    margin-top: 20px;
}

.v2-header-nav a:hover {
    color: var(--color-primary);
}

.v2-header-nav a.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.v2-header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* Search */
.v2-search-wrapper {
    position: relative;
}

.v2-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    transition: var(--transition);
    pointer-events: none;
}

.v2-search-wrapper:focus-within .v2-search-icon {
    color: var(--color-primary);
}

.v2-search-input {
    padding: 6px 40px 6px 40px;
    background: var(--color-gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-family: var(--font-sans);
    width: 256px;
    transition: var(--transition);
    outline: none;
}

.v2-search-input:focus {
    background: var(--color-white);
    border-color: rgba(29, 114, 242, 0.2);
    box-shadow: 0 0 0 3px rgba(29, 114, 242, 0.1);
}

.v2-search-input::placeholder {
    color: var(--color-gray-400);
}

.v2-search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0;
    display: none;
}

.v2-search-clear.visible {
    display: block;
}

.v2-search-clear:hover {
    color: var(--color-gray-600);
}

/* Notification bell */
.v2-notif-btn {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    padding: 4px;
}

.v2-notif-btn:hover {
    color: var(--color-gray-600);
}

.v2-notif-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    box-sizing: border-box;
    background: var(--color-red-500);
    color: white;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 2px solid white;
}

/* User avatar area */
.v2-user-area {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--color-gray-200);
}

/* ---------- Page Title Row ---------- */
.v2-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.v2-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-gray-900);
    text-transform: uppercase;
    letter-spacing: -0.025em;
}

/* ---------- Buttons ---------- */
.v2-btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(29, 114, 242, 0.2);
}

.v2-btn-primary:hover {
    background: var(--color-primary-hover);
}

.v2-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.v2-btn-outline {
    background: var(--color-white);
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-200);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.v2-btn-outline:hover {
    border-color: var(--color-gray-300);
    color: var(--color-gray-800);
}

.v2-btn-outline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.v2-btn-secondary {
    background: transparent;
    color: var(--color-gray-600);
    border: none;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.v2-btn-secondary:hover {
    color: var(--color-gray-800);
}

.v2-btn-danger {
    background: var(--color-red-500);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.v2-btn-danger:hover {
    background: var(--color-red-600);
}

.v2-btn-icon {
    background: none;
    border: none;
    padding: 6px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-gray-400);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.v2-btn-icon:hover {
    color: var(--color-primary);
    background: var(--color-blue-50);
}

.v2-btn-icon.danger:hover {
    color: var(--color-red-600);
    background: var(--color-red-50);
}

/* ---------- Card ---------- */
.v2-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

/* ---------- Model Config Section ---------- */
.v2-config {
    padding: 24px;
    margin-bottom: 32px;
}

.v2-config-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.v2-config-rows {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.v2-config-row {
    display: flex;
    align-items: center;
    gap: 32px;
}

.v2-config-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-500);
    width: 48px;
    flex-shrink: 0;
}

.v2-segmented-control {
    display: inline-flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    padding: 4px;
}

.v2-segment {
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-gray-400);
    cursor: pointer;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    transition: var(--transition);
    position: relative;
    font-family: var(--font-sans);
}

.v2-segment:hover {
    color: var(--color-gray-600);
}

.v2-segment.active {
    background: var(--color-white);
    color: var(--color-gray-900);
    box-shadow: var(--shadow-sm);
}

/* Tooltip for model selection */
.v2-segment-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    background: linear-gradient(135deg, #2d3748, #1a202c);
    color: white;
    padding: 10px;
    border-radius: var(--radius-lg);
    min-width: 190px;
    max-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    transition: var(--transition);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    z-index: 1000;
}

.v2-segment:hover .v2-segment-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.v2-segment-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 20px;
    border: 6px solid transparent;
    border-top-color: #1a202c;
}

.v2-tooltip-models {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.v2-tooltip-model {
    padding: 8px 12px;
    border-radius: 7px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    white-space: nowrap;
}

.v2-tooltip-model:hover {
    background: rgba(255,255,255,0.1);
}

.v2-tooltip-model.selected {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
    font-weight: 600;
}

.v2-check-icon {
    font-size: 14px;
}

/* ---------- Database Summary ---------- */
.v2-db-summary {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.v2-db-summary svg {
    flex-shrink: 0;
}

/* ---------- Document Table ---------- */
.v2-table-card {
    overflow: hidden;
    margin-bottom: 32px;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.v2-table-card .v2-table {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.v2-table-card .v2-table thead {
    flex-shrink: 0;
}

.v2-table-card .v2-table tbody {
    flex: 1;
    overflow-y: auto;
    display: block;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.v2-table-card .v2-table tbody::-webkit-scrollbar {
    display: none;
}

.v2-table-card .v2-table thead tr,
.v2-table-card .v2-table tbody tr {
    display: table;
    width: 100%;
    table-layout: fixed;
}

.v2-table {
    width: 100%;
    text-align: left;
    border-collapse: collapse;
}

.v2-table thead tr {
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-100);
}

.v2-table th {
    padding: 12px 24px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.v2-table th:hover {
    background: var(--color-gray-100);
}

.v2-table th .th-inner {
    display: flex;
    align-items: center;
    gap: 4px;
}

.v2-table th .sort-icon {
    opacity: 0;
    transition: var(--transition);
}

.v2-table th:hover .sort-icon {
    opacity: 0.5;
}

.v2-table th.sorted .sort-icon {
    opacity: 1;
    color: var(--color-primary);
}

.v2-table th.actions-col {
    text-align: right;
    cursor: default;
}

.v2-table th.actions-col:hover {
    background: transparent;
}

.v2-table tbody tr {
    border-bottom: 1px solid var(--color-gray-50);
    transition: var(--transition);
}

.v2-table tbody tr:hover {
    background: rgba(249, 250, 251, 0.5);
}

.v2-table td {
    padding: 16px 24px;
    font-size: 14px;
    vertical-align: middle;
}

.v2-table .td-date {
    color: var(--color-gray-500);
}

.v2-table .td-type {
    display: flex;
    align-items: center;
    gap: 8px;
}

.v2-table .td-type .type-label {
    font-weight: 500;
    color: var(--color-gray-700);
}

.v2-table .td-name a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    display: block;
    max-width: 500px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.v2-table .td-name a:hover {
    text-decoration: underline;
}

.v2-table .td-size {
    color: var(--color-gray-500);
}

.v2-table .td-actions {
    text-align: right;
}

.v2-table .actions-group {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    opacity: 0;
    transition: var(--transition);
}

.v2-table tbody tr:hover .actions-group {
    opacity: 1;
}

/* Type icons */
.type-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.type-icon.pdf { color: var(--color-blue-500); }
.type-icon.youtube { color: var(--color-red-500); }
.type-icon.web { color: var(--color-green-500); }
.type-icon.docx { color: var(--color-indigo-500); }
.type-icon.xls { color: var(--color-emerald-500); }
.type-icon.ppt { color: var(--color-orange-500); }
.type-icon.default { color: var(--color-gray-500); }

/* Empty state */
.v2-empty-state {
    padding: 80px 20px;
    text-align: center;
}

.v2-empty-icon {
    width: 64px;
    height: 64px;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    margin: 0 auto 16px;
}

.v2-empty-title {
    font-weight: 500;
    color: var(--color-gray-500);
    margin-bottom: 4px;
}

.v2-empty-text {
    font-size: 14px;
    color: var(--color-gray-400);
}

/* ---------- Footer ---------- */
.v2-footer {
    padding: 16px 32px;
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-white);
    text-align: center;
    font-size: 10px;
    color: var(--color-gray-400);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---------- Notification Panel ---------- */
.v2-notif-overlay {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: none;
}

.v2-notif-overlay.open {
    display: block;
}

.v2-notif-panel {
    position: absolute;
    right: 32px;
    top: 64px;
    width: 320px;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-gray-100);
    z-index: 50;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 500px;
    animation: v2-slideDown 0.2s ease-out;
}

@keyframes v2-slideDown {
    from { opacity: 0; transform: translateY(8px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.v2-notif-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-gray-50);
    background: rgba(249, 250, 251, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.v2-notif-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.v2-notif-header-left svg {
    color: var(--color-primary);
}

.v2-notif-header-title {
    font-weight: 700;
    color: var(--color-gray-800);
    font-size: 14px;
}

.v2-notif-clear {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: none;
    border: none;
    cursor: pointer;
}

.v2-notif-clear:hover {
    text-decoration: underline;
}

.v2-notif-list {
    flex: 1;
    overflow-y: auto;
}

.v2-notif-item {
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border-bottom: 1px solid var(--color-gray-50);
}

.v2-notif-item:hover {
    background: var(--color-gray-50);
}

.v2-notif-item.unread {
    background: rgba(29, 114, 242, 0.03);
}

.v2-notif-item-inner {
    display: flex;
    gap: 12px;
}

.v2-notif-item-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.v2-notif-item-icon.success { color: var(--color-green-500); }
.v2-notif-item-icon.delete { color: var(--color-red-500); }
.v2-notif-item-icon.info { color: var(--color-blue-500); }

.v2-notif-item-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.v2-notif-item-msg {
    font-size: 14px;
    color: var(--color-gray-700);
    line-height: 1.4;
}

.v2-notif-item-time {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--color-gray-400);
}

.v2-notif-unread-dot {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

.v2-notif-empty {
    padding: 48px 20px;
    text-align: center;
}

.v2-notif-empty-icon {
    width: 48px;
    height: 48px;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    margin: 0 auto 12px;
}

.v2-notif-empty-text {
    font-size: 14px;
    color: var(--color-gray-500);
    font-weight: 500;
}

.v2-notif-footer {
    padding: 12px;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
    text-align: center;
}

.v2-notif-footer button {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-gray-500);
    background: none;
    border: none;
    cursor: pointer;
}

.v2-notif-footer button:hover {
    color: var(--color-gray-700);
}

/* ---------- Modal (shared) ---------- */
.v2-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.5);
    animation: v2-fadeIn 0.2s ease-out;
}

.v2-modal-overlay.hidden {
    display: none;
}

@keyframes v2-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.v2-modal {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 640px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    animation: v2-scaleIn 0.2s ease-out;
}

@keyframes v2-scaleIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: none; }
}

.v2-modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(249, 250, 251, 0.5);
    flex-shrink: 0;
}

.v2-modal-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.v2-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gray-800);
}

.v2-modal-badge {
    background: var(--color-blue-100);
    color: var(--color-primary);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.v2-modal-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: var(--transition);
    padding: 4px;
}

.v2-modal-close:hover {
    color: var(--color-gray-600);
}

.v2-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.v2-modal-footer {
    padding: 16px 24px;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

/* ---------- Add Content Modal — Tabs ---------- */
.v2-tabs {
    display: flex;
    padding: 4px;
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    margin-bottom: 32px;
}

.v2-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.v2-tab:hover {
    color: var(--color-gray-700);
}

.v2-tab.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.v2-tab svg {
    width: 18px;
    height: 18px;
}

/* Tab content area */
.v2-tab-content {
    min-height: 300px;
}

.v2-tab-pane {
    display: none;
}

.v2-tab-pane.active {
    display: block;
}

/* File dropzone */
.v2-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: 48px;
    background: rgba(249, 250, 251, 0.3);
    transition: var(--transition);
    cursor: pointer;
}

.v2-dropzone:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
}

.v2-dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-blue-50);
}

.v2-dropzone-icon {
    width: 64px;
    height: 64px;
    background: var(--color-blue-50);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-blue-500);
    margin-bottom: 16px;
    transition: var(--transition);
}

.v2-dropzone:hover .v2-dropzone-icon {
    transform: scale(1.1);
}

.v2-dropzone-title {
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 4px;
}

.v2-dropzone-sub {
    font-size: 14px;
    color: var(--color-gray-400);
}

/* Selected files list */
.v2-selected-files {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v2-selected-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: 13px;
}

.v2-selected-file-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-gray-700);
    overflow: hidden;
}

.v2-selected-file-info span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.v2-selected-file-size {
    color: var(--color-gray-400);
    font-size: 12px;
    flex-shrink: 0;
}

.v2-selected-file-remove {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 2px;
    flex-shrink: 0;
}

.v2-selected-file-remove:hover {
    color: var(--color-red-500);
}

/* URL input */
.v2-url-input-wrapper {
    position: relative;
    margin-bottom: 16px;
}

.v2-url-badge {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    display: none;
    align-items: center;
    gap: 4px;
}

.v2-url-badge.youtube {
    display: flex;
    background: var(--color-red-50);
    color: var(--color-red-500);
}

.v2-url-badge.web {
    display: flex;
    background: var(--color-green-50);
    color: var(--color-green-500);
}

.v2-input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: var(--font-sans);
    transition: var(--transition);
    outline: none;
}

.v2-input:focus {
    border-color: var(--color-blue-500);
    box-shadow: 0 0 0 3px rgba(29, 114, 242, 0.1);
}

.v2-input.has-badge {
    padding-left: 90px;
}

.v2-textarea {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: var(--font-sans);
    transition: var(--transition);
    outline: none;
    resize: none;
}

.v2-textarea:focus {
    border-color: var(--color-blue-500);
    box-shadow: 0 0 0 3px rgba(29, 114, 242, 0.1);
}

.v2-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: 8px;
}

.v2-info-box {
    background: rgba(29, 114, 242, 0.05);
    border: 1px solid var(--color-blue-100);
    border-radius: var(--radius-xl);
    padding: 16px;
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.v2-info-box svg {
    color: var(--color-blue-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.v2-info-box p {
    font-size: 14px;
    color: #1e40af;
    line-height: 1.6;
}

/* ---------- File Info Modal ---------- */
.v2-info-modal .v2-modal {
    max-width: 560px;
}

.v2-info-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.v2-info-section h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.v2-info-section p,
.v2-info-section ul,
.v2-info-section li,
.v2-info-section div {
    font-size: 14px;
    color: var(--color-gray-700);
    line-height: 1.6;
}

.v2-info-section p strong {
    color: var(--color-gray-900);
}

.v2-info-section ul {
    padding-left: 20px;
    margin-top: 8px;
    margin-bottom: 8px;
}

.v2-info-section li {
    margin-bottom: 6px;
}

/* ---------- Confirmation Modal ---------- */
.v2-confirm-modal .v2-modal {
    max-width: 440px;
}

.v2-confirm-body {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.6;
    text-align: center;
    padding: 16px 0;
}

.v2-confirm-filename {
    font-weight: 600;
    color: var(--color-gray-900);
}

/* ---------- Loader overlay ---------- */
.v2-loader-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(2px);
}

.v2-loader-overlay.visible {
    display: flex;
}

.v2-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.v2-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: v2-spin 0.8s linear infinite;
}

@keyframes v2-spin {
    to { transform: rotate(360deg); }
}

.v2-loader-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-600);
}

/* ---------- Toast Notifications ---------- */
.v2-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v2-toast {
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    font-size: 14px;
    font-weight: 500;
    color: white;
    box-shadow: var(--shadow-lg);
    animation: v2-toastIn 0.3s ease-out;
    transition: opacity 0.3s;
}

@keyframes v2-toastIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.v2-toast.success { background: var(--color-green-600); }
.v2-toast.error { background: var(--color-red-500); }
.v2-toast.info { background: var(--color-primary); }

/* ---------- Result View (in add modal) ---------- */
.v2-result-view {
    display: none;
}

.v2-result-view.visible {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.v2-result-content {
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    padding: 24px;
    border: 1px solid var(--color-gray-100);
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.v2-result-content::-webkit-scrollbar {
    display: none;
}

.v2-modal-body:has(.v2-result-view.visible) {
    overflow: hidden;
}

.v2-result-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 16px;
}

.v2-yt-meta {
    display: flex;
    gap: 16px;
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: 14px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-gray-200);
}

.v2-yt-thumb {
    width: 200px;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.v2-yt-meta-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--color-gray-600);
    line-height: 1.5;
}

.v2-yt-meta-info span {
    display: block;
}

.v2-result-text {
    font-size: 14px;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.v2-result-text strong {
    color: var(--color-gray-800);
}

.v2-result-text ul {
    padding-left: 20px;
    margin: 8px 0;
}

.v2-result-text li {
    margin-bottom: 4px;
}

/* ---------- Progress Zone ---------- */
.v2-progress-zone {
    flex-shrink: 0;
    padding: 16px 0 8px;
    border-top: 1px solid #E5E7EB;
    margin-top: 16px;
    opacity: 1;
    max-height: 200px;
    overflow: hidden;
    transition: opacity 0.25s ease, max-height 0.35s ease-out, padding 0.35s ease-out, margin 0.35s ease-out;
}
.v2-progress-zone.hidden {
    display: none;
}
.v2-progress-zone.collapsing {
    opacity: 0;
    max-height: 0;
    padding: 0;
    margin-top: 0;
    border-top-color: transparent;
}
.v2-progress-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #1D6FE8;
    margin-bottom: 4px;
}
.v2-progress-label.success { color: #22C55E; }
.v2-progress-label.error   { color: #EF4444; }

.v2-progress-title-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
}
.v2-progress-title {
    font-size: 14px;
    font-weight: 700;
    color: #111827;
}
.v2-progress-pct {
    font-size: 14px;
    font-weight: 700;
    color: #111827;
}

.v2-progress-track {
    width: 100%;
    height: 6px;
    background: #E5E7EB;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}
.v2-progress-bar {
    height: 100%;
    width: 0%;
    background: #1D6FE8;
    border-radius: 4px;
    transition: width 0.4s ease-out;
}
.v2-progress-bar.error {
    background: #EF4444;
}
.v2-progress-bar.indeterminate {
    width: 100% !important;
    background: linear-gradient(90deg, #E5E7EB 25%, #1D6FE8 50%, #E5E7EB 75%);
    background-size: 200% 100%;
    animation: v2-shimmer 1.5s infinite linear;
}
@keyframes v2-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.v2-progress-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: #6B7280;
}
.v2-progress-detail.success { color: #22C55E; }
.v2-progress-detail.error   { color: #EF4444; }

.v2-progress-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid #E5E7EB;
    border-top-color: #1D6FE8;
    border-radius: 50%;
    animation: v2-spin 0.8s linear infinite;
    flex-shrink: 0;
}
.v2-progress-spinner.hidden { display: none; }
@keyframes v2-spin {
    to { transform: rotate(360deg); }
}

.v2-progress-check {
    display: inline-flex;
    color: #22C55E;
    animation: v2-pop 0.2s ease-out;
    flex-shrink: 0;
}
.v2-progress-error-icon {
    display: inline-flex;
    color: #EF4444;
    flex-shrink: 0;
}
@keyframes v2-pop {
    0%   { transform: scale(0); }
    80%  { transform: scale(1.15); }
    100% { transform: scale(1); }
}

/* CTA button states for progress */
.v2-btn-primary.v2-btn-success {
    background: #22C55E !important;
    border-color: #22C55E !important;
    color: #fff !important;
    opacity: 1 !important;
    cursor: default;
}
.v2-btn-primary.v2-btn-error-retry {
    background: #EF4444 !important;
    border-color: #EF4444 !important;
    color: #fff !important;
    opacity: 1 !important;
    cursor: pointer;
}
.v2-btn-primary.v2-btn-saving {
    opacity: 0.6 !important;
    cursor: not-allowed;
}

.v2-export-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    padding-top: 16px;
    border-top: 1px solid var(--color-gray-100);
    margin-top: 16px;
}

.v2-export-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.v2-export-btns {
    display: flex;
    gap: 8px;
}

.v2-export-btn {
    padding: 4px 12px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-sans);
}

.v2-export-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.v2-export-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3);
}

.v2-submit-icon {
    display: flex;
    align-items: center;
}

#v2-add-submit:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .v2-sidebar {
        width: 200px;
    }
    .v2-content {
        padding: 24px;
    }
    .v2-table .td-name a {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .v2-sidebar {
        display: none;
    }
    .v2-header {
        padding: 0 16px;
    }
    .v2-content {
        padding: 16px;
    }
    .v2-search-input {
        width: 180px;
    }
    .v2-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .v2-config-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .v2-table .td-name a {
        max-width: 200px;
    }
}