/* =============================================
   Moran AI Data Room
   Light Glassmorphism Design
   ============================================= */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f0f2f8;
    color: #1a1a2e;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* =============================================
   Animated Background Orbs
   ============================================= */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.2;
    pointer-events: none;
    z-index: 0;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: #8b5cf6;
    top: -150px;
    left: -100px;
    animation: float1 22s ease-in-out infinite;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: #3b82f6;
    top: 40%;
    right: -120px;
    animation: float2 25s ease-in-out infinite;
}

.bg-orb-3 {
    width: 450px;
    height: 450px;
    background: #14b8a6;
    bottom: -100px;
    left: 30%;
    animation: float3 20s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(80px, 60px) scale(1.1); }
    66% { transform: translate(-40px, 30px) scale(0.95); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-60px, -80px) scale(0.9); }
    66% { transform: translate(40px, 40px) scale(1.08); }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -40px) scale(1.05); }
    66% { transform: translate(-80px, 20px) scale(0.92); }
}

/* =============================================
   Header Styles
   ============================================= */
.header {
    position: relative;
    z-index: 10;
    background: rgba(0, 0, 0, 0.03);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 2.5rem 0;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.title-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #8b5cf6, #3b82f6, #14b8a6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.subtitle {
    font-size: 1.1rem;
    color: rgba(0, 0, 0, 0.45);
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.header-meta {
    text-align: right;
}

.last-updated {
    font-size: 0.85rem;
    color: rgba(0, 0, 0, 0.45);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* =============================================
   Main Content Area
   ============================================= */
.main-content {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2.5rem;
}

/* =============================================
   Folder Grid
   ============================================= */
.folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

/* =============================================
   Folder Cards — Light Glass Style
   ============================================= */
.folder-card {
    --glow: #3b82f6;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 18px;
    padding: 1.75rem;
    cursor: pointer;
    position: relative;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(30px);
}

.folder-card.visible {
    animation: cardEntrance 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.folder-card:hover {
    transform: translateY(-6px) scale(1.02);
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.7);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 0 40px color-mix(in srgb, var(--glow) 18%, transparent);
}

.folder-card.expanded {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--glow);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 0 30px color-mix(in srgb, var(--glow) 12%, transparent);
}

.folder-card.expanded .expand-icon {
    transform: rotate(180deg);
    color: var(--glow);
}

/* =============================================
   Folder Icons
   ============================================= */
.folder-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: white;
}

/* Icon Colors with Glow */
.folder-icon.blue {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}
.folder-icon.purple {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
}
.folder-icon.teal {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.35);
}
.folder-icon.green {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.35);
}
.folder-icon.orange {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.35);
}
.folder-icon.pink {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.35);
}
.folder-icon.red {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.35);
}
.folder-icon.brown {
    background: linear-gradient(135deg, #a16207 0%, #854d0e 100%);
    box-shadow: 0 4px 20px rgba(161, 98, 7, 0.35);
}
.folder-icon.navy {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}
.folder-icon.yellow {
    background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
    box-shadow: 0 4px 20px rgba(234, 179, 8, 0.35);
}
.folder-icon.gray {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    box-shadow: 0 4px 20px rgba(107, 114, 128, 0.35);
}

/* =============================================
   Typography & Badges
   ============================================= */
.folder-name {
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.file-count {
    font-size: 0.78rem;
    color: rgba(0, 0, 0, 0.4);
    background: rgba(0, 0, 0, 0.04);
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.file-count.empty {
    background: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.2);
    color: #a16207;
}

.expand-icon {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    color: rgba(0, 0, 0, 0.2);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.85rem;
}

.folder-card:hover .expand-icon {
    color: rgba(0, 0, 0, 0.45);
}

/* =============================================
   Folder Contents — Light Glass Drawer
   ============================================= */
.folder-contents {
    display: none;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    padding: 1rem;
    margin: 0.5rem 0 1.5rem;
}

.folder-contents.visible {
    display: block;
    animation: drawerSlideDown 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Inline drawer - spans full width of grid row */
.folder-contents.inline-drawer {
    grid-column: 1 / -1;
    margin: 0 0 1rem 0;
    position: relative;
    overflow: visible;
    border-top: 2px solid;
    border-image: linear-gradient(90deg, #8b5cf6, #3b82f6, #14b8a6) 1;
}

/* Arrow pointing to parent folder */
.folder-contents.inline-drawer::before {
    content: '';
    position: absolute;
    top: -9px;
    left: var(--drawer-arrow-position, 50px);
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.7);
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    transform: rotate(45deg);
    z-index: 1;
}

@keyframes drawerSlideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =============================================
   File Items
   ============================================= */
.file-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.1rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.04);
    border-radius: 10px;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #374151;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.file-item:last-child {
    margin-bottom: 0;
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
    transform: translateX(6px);
    color: #1a1a2e;
}

.file-item.subfolder {
    background: rgba(234, 179, 8, 0.08);
    border-color: rgba(234, 179, 8, 0.15);
}

.file-item.subfolder:hover {
    background: rgba(234, 179, 8, 0.15);
    border-color: rgba(234, 179, 8, 0.3);
}

/* File Icons */
.pdf-icon {
    color: #dc2626;
    font-size: 1.15rem;
}

.excel-icon {
    color: #16a34a;
    font-size: 1.15rem;
}

.folder-icon-small {
    color: #eab308;
    font-size: 1.15rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: rgba(0, 0, 0, 0.3);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* =============================================
   Document Preview Modal
   ============================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: #ffffff;
    border-radius: 20px;
    width: 100%;
    max-width: 800px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    flex-shrink: 0;
}

.modal-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
    flex: 1;
}

.modal-file-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.modal-file-icon.pdf { color: #dc2626; }
.modal-file-icon.xlsx { color: #16a34a; }

.modal-title-group {
    min-width: 0;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a2e;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-subtitle {
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.4);
    margin-top: 0.15rem;
    display: block;
}

.modal-header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.modal-date {
    font-size: 0.8rem;
    color: rgba(0, 0, 0, 0.4);
    background: rgba(0, 0, 0, 0.04);
    padding: 0.3rem 0.85rem;
    border-radius: 100px;
    border: 1px solid rgba(0, 0, 0, 0.04);
    white-space: nowrap;
}

.modal-close-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(0, 0, 0, 0.4);
    font-size: 1rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    color: #1a1a2e;
}

.modal-body {
    padding: 2.5rem 3rem;
    overflow-y: auto;
    flex: 1;
    color: #374151;
    line-height: 1.8;
}

/* PDF Document Styling */
.modal-body h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 1rem;
    margin-top: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
}

.modal-body h2:first-child {
    margin-top: 0;
}

.modal-body h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.modal-body p {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.modal-body ul, .modal-body ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.modal-body strong {
    color: #1a1a2e;
    font-weight: 600;
}

.modal-body hr {
    border: none;
    border-top: 2px solid rgba(0, 0, 0, 0.06);
    margin: 2rem 0;
}

/* XLSX Table Styling */
.modal-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.85rem;
}

.modal-body thead th {
    background: #f8fafc;
    color: #1a1a2e;
    font-weight: 600;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
    position: sticky;
    top: 0;
    white-space: nowrap;
}

.modal-body tbody td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid #f1f5f9;
    white-space: nowrap;
}

.modal-body tbody tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

.modal-body tbody tr:nth-child(even) {
    background: rgba(0, 0, 0, 0.015);
}

.modal-body tbody tr:nth-child(even):hover {
    background: rgba(59, 130, 246, 0.04);
}

.modal-footer {
    padding: 1rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
    flex-shrink: 0;
}

.modal-confidential {
    font-size: 0.75rem;
    color: rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

body.modal-open {
    overflow: hidden;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    color: rgba(0, 0, 0, 0.35);
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
    font-size: 0.85rem;
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 1024px) {
    .folder-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .logo-section {
        flex-direction: column;
    }

    .header-meta {
        text-align: center;
    }

    .folder-grid {
        grid-template-columns: 1fr;
    }

    .title-section h1 {
        font-size: 1.8rem;
    }

    .main-content {
        padding: 2rem 1.5rem;
    }

    .modal-overlay {
        padding: 1rem;
    }

    .modal-container {
        max-height: 90vh;
        border-radius: 16px;
    }

    .modal-header {
        padding: 1.25rem 1.5rem;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .modal-header-right {
        order: -1;
        width: 100%;
        justify-content: flex-end;
    }

    .modal-date {
        display: none;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .modal-body table {
        font-size: 0.75rem;
        display: block;
        overflow-x: auto;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1.5rem 1rem;
    }

    .folder-card {
        padding: 1.25rem;
    }

    .title-section h1 {
        font-size: 1.5rem;
    }

    .modal-overlay {
        padding: 0;
    }

    .modal-container {
        max-height: 100vh;
        border-radius: 0;
        height: 100%;
    }

    .modal-body {
        padding: 1.25rem 1rem;
    }
}

/* =============================================
   Reduced Motion
   ============================================= */
@media (prefers-reduced-motion: reduce) {
    .bg-orb {
        animation: none;
    }

    .title-section h1 {
        animation: none;
    }

    .folder-card {
        opacity: 1;
        transform: none;
    }

    .folder-card.visible {
        animation: none;
    }

    .folder-contents.visible {
        animation: none;
    }

    .modal-overlay,
    .modal-container {
        transition-duration: 0.01ms !important;
    }

    * {
        transition-duration: 0.01ms !important;
    }
}

/* =============================================
   Animations & Polish
   ============================================= */
.folder-card,
.file-item {
    will-change: transform;
}

html {
    scroll-behavior: smooth;
}

::selection {
    background: #8b5cf6;
    color: white;
}