/* ============================================================
   居沣室内设计 — 世界一流高端设计展示平台
   Design Philosophy: 克制、优雅、留白、材质感
   ============================================================ */

/* ── Design Tokens ──────────────────── */
:root {
    --color-bg: #F5F2ED;
    --color-surface: #FFFFFF;
    --color-accent: #B8977E;
    --color-accent-light: #D4C4B5;
    --color-accent-dark: #8B6F55;
    --color-gold: #C9A96E;
    --color-dark: #1A1A1A;
    --color-text: #2B2B2B;
    --color-text-secondary: #8C8C8C;
    --color-text-muted: #B5B0A8;
    --color-border: #E8E3DC;
    --color-border-light: #F0EDE8;
    --color-error: #C94A4A;
    --color-error-bg: #FDF2F2;
    --color-sage: #8B9D83;
    --color-sage-light: #F0F4EF;

    --font-display: 'Cormorant Garamond', 'Noto Serif SC', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
    height: 100%;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
}

body {
    display: flex;
    flex-direction: column;
}

/* ── Top Navigation Bar ─────────────── */
#topbar {
    flex-shrink: 0;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 50;
}

.topbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    flex-shrink: 0;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--color-accent);
    color: white;
}

.brand-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-dark);
}

.nav-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-secondary);
    overflow: hidden;
}

.nav-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-breadcrumb a:hover {
    color: var(--color-accent);
}

.nav-breadcrumb .bc-sep {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0 2px;
}

.nav-breadcrumb .bc-current {
    color: var(--color-text);
    font-weight: 500;
}

/* ── Main Content ───────────────────── */
#content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

#content::-webkit-scrollbar {
    width: 4px;
}

#content::-webkit-scrollbar-track {
    background: transparent;
}

#content::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: 2px;
}

/* ── Home Page ──────────────────────── */
.home-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px 80px;
}

.home-hero {
    text-align: center;
    padding: 0 0 60px;
}

.home-hero .hero-tagline {
    font-family: var(--font-display);
    font-size: 16px;
    font-style: italic;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    text-transform: uppercase;
}

.home-hero .hero-title {
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: 600;
    color: var(--color-dark);
    letter-spacing: 0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.home-hero .hero-subtitle {
    font-size: 17px;
    color: var(--color-text-secondary);
    font-weight: 300;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
}

.home-hero .hero-divider {
    width: 60px;
    height: 1px;
    background: var(--color-accent-light);
    margin: 32px auto;
}

/* ── Project Cards Grid ─────────────── */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

.project-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.project-card .card-cover {
    height: 200px;
    background: linear-gradient(135deg, #F0EDE8 0%, #E8E3DC 50%, #D4C4B5 100%);
    position: relative;
    overflow: hidden;
}

.project-card .card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.03));
}

.project-card .card-cover-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    background-image:
        radial-gradient(circle at 20% 30%, var(--color-accent) 1px, transparent 1px),
        radial-gradient(circle at 70% 60%, var(--color-accent) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, var(--color-accent) 1px, transparent 1px);
    background-size: 80px 80px, 100px 100px, 60px 60px;
}

.project-card .card-body {
    padding: 24px;
}

.project-card .card-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-dark);
    letter-spacing: 0.02em;
    margin-bottom: 8px;
    line-height: 1.3;
}

.project-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.project-card .card-image-count {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-accent);
    font-weight: 500;
}

.project-card .card-delete {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    color: var(--color-error);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-fast);
    z-index: 2;
}

.project-card:hover .card-delete {
    opacity: 1;
    transform: scale(1);
}

.project-card .card-delete:hover {
    background: var(--color-error);
    color: white;
}

/* Add card */
.project-card.add-card {
    border: 1px dashed var(--color-border);
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    gap: 16px;
}

.project-card.add-card:hover {
    background: var(--color-surface);
    border-color: var(--color-accent-light);
    box-shadow: var(--shadow-sm);
}

.add-card .add-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition);
    font-size: 28px;
    font-weight: 200;
}

.project-card.add-card:hover .add-icon-circle {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.add-card .add-text {
    font-size: 15px;
    color: var(--color-text-secondary);
    font-weight: 400;
}

/* ── Project Page ───────────────────── */
.project-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 40px 80px;
}

.project-page .project-header {
    margin-bottom: 48px;
}

.project-page .project-name {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 600;
    color: var(--color-dark);
}

/* Floor Section */
.floor-section {
    margin-bottom: 36px;
}

.floor-section .floor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
    margin-bottom: 20px;
}

.floor-section .floor-label {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-dark);
    letter-spacing: 0.02em;
}

.floor-section .floor-actions {
    display: flex;
    gap: 10px;
}

/* Space Cards */
.space-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.space-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px 20px;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.space-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--color-accent-light);
}

.space-card .space-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: var(--color-sage-light);
    color: var(--color-sage);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition);
}

.space-card:hover .space-icon {
    background: var(--color-accent-light);
    color: white;
}

.space-card .space-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.space-card .space-count {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.space-card.has-images {
    border-color: var(--color-sage);
    background: linear-gradient(135deg, #FAFBFA, var(--color-sage-light));
}

.space-card .space-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 0 var(--radius) 0 var(--radius-sm);
}

.space-card.has-images .space-badge {
    background: var(--color-sage);
    color: white;
}

.space-card:not(.has-images) .space-badge {
    background: #FEF3C7;
    color: #92400E;
}

.space-card .card-delete {
    position: absolute;
    bottom: 8px;
    right: 8px;
    opacity: 0;
    background: none;
    border: none;
    color: var(--color-error);
    font-size: 12px;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.space-card:hover .card-delete {
    opacity: 1;
}

/* Add space card */
.space-card.add-space-card {
    border: 1px dashed var(--color-border);
    background: transparent;
}

.space-card.add-space-card:hover {
    background: var(--color-surface);
    border-color: var(--color-accent-light);
}

.add-space-icon {
    background: transparent !important;
    border: 2px dashed var(--color-border);
    color: var(--color-text-muted) !important;
    font-size: 24px;
    font-weight: 200;
    transition: all var(--transition);
}

.space-card.add-space-card:hover .add-space-icon {
    border-color: var(--color-accent);
    color: var(--color-accent) !important;
}

/* Add floor card */
.add-floor-card {
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: transparent;
}

.add-floor-card:hover {
    background: var(--color-surface);
    border-color: var(--color-accent-light);
    box-shadow: var(--shadow-sm);
}

.add-floor-card .add-floor-text {
    font-size: 15px;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ── Buttons ────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border: none;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-accent-dark);
    box-shadow: 0 4px 12px rgba(184, 151, 126, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent-light);
}

.btn-outline:hover {
    background: rgba(184, 151, 126, 0.06);
}

.btn-danger-ghost {
    background: transparent;
    color: var(--color-error);
    font-size: 13px;
    padding: 6px 14px;
}

.btn-danger-ghost:hover {
    background: var(--color-error-bg);
}

.btn-add {
    background: transparent;
    color: var(--color-accent);
    border: 1px dashed var(--color-accent-light);
    padding: 8px 16px;
    font-size: 13px;
}

.btn-add:hover {
    background: rgba(184, 151, 126, 0.06);
    border-color: var(--color-accent);
}

/* ── Modal ──────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    animation: fadeIn 0.2s ease;
}

.modal {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 32px;
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-xl);
    animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg);
    color: var(--color-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal h3 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.modal input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    outline: none;
    transition: all var(--transition-fast);
}

.modal input:focus {
    border-color: var(--color-accent);
    background: var(--color-surface);
    box-shadow: 0 0 0 3px rgba(184, 151, 126, 0.12);
}

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

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

/* ── Viewer Overlay ─────────────────── */
.viewer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.96);
    z-index: 150;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.25s ease;
}

.viewer-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    flex-shrink: 0;
    z-index: 2;
}

.viewer-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

#viewer-title {
    font-family: var(--font-display);
    font-size: 17px;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

#viewer-counter {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
    font-variant-numeric: tabular-nums;
}

.viewer-actions {
    display: flex;
    gap: 4px;
}

.viewer-stage {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: grab;
}

.viewer-stage:active {
    cursor: grabbing;
}

.viewer-stage img {
    position: absolute;
    transform-origin: 0 0;
    max-width: none;
    max-height: none;
    user-select: none;
    -webkit-user-drag: none;
    transition: opacity 0.4s ease;
}

.viewer-stage .viewer-empty-state {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: rgba(255,255,255,0.35);
}

.viewer-stage .viewer-empty-state p {
    margin-top: 16px;
    font-size: 15px;
    font-family: var(--font-body);
    font-weight: 300;
}

.viewer-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    flex-shrink: 0;
    z-index: 2;
}

.viewer-footer-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.viewer-footer-group:first-child {
    flex: 1;
    justify-content: flex-start;
}

.viewer-footer-group:nth-child(2) {
    flex: 0 0 auto;
    justify-content: center;
}

/* ── 页码指示器 ─────────────────────── */
.viewer-page-num {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.04em;
    min-width: 44px;
    text-align: center;
    user-select: none;
}

.viewer-footer-group:last-child {
    flex: 1;
    justify-content: flex-end;
}

.viewer-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.viewer-btn:hover {
    background: rgba(255,255,255,0.16);
    color: white;
}

.viewer-btn-success {
    color: rgba(74, 222, 128, 0.8);
}

.viewer-btn-success:hover {
    background: rgba(34, 197, 94, 0.25);
    color: #4ADE80;
}

/* ── More Menu Dropdown ─────────────── */
.viewer-more-wrap {
    position: relative;
}

.viewer-dropdown {
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background: rgba(30, 30, 30, 0.98);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 6px;
    min-width: 150px;
    animation: dropdownIn 0.15s ease;
    z-index: 10;
}

.viewer-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: rgba(255,255,255,0.8);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.viewer-dropdown-item:hover {
    background: rgba(255,255,255,0.08);
    color: white;
}

.viewer-dropdown-danger {
    color: rgba(248, 113, 113, 0.8);
}

.viewer-dropdown-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
}

@keyframes dropdownIn {
    from {
        opacity: 0;
        transform: translateY(6px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

#viewer-close {
    width: 40px;
    height: 40px;
}

/* Viewer loader */
.viewer-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    z-index: 3;
}

.viewer-spinner {
    width: 36px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.15);
    border-top-color: rgba(255,255,255,0.7);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.viewer-loader-text {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    font-family: var(--font-body);
    font-weight: 300;
    letter-spacing: 0.04em;
}

/* ── Upload Progress ────────────────── */
.upload-progress-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
}

.upload-progress-box {
    background: white;
    padding: 32px 40px;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
    min-width: 260px;
}

.upload-progress-text {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.upload-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 10px;
}

.upload-progress-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.upload-progress-percent {
    font-size: 24px;
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--color-accent);
}

/* ── Empty State ────────────────────── */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-text-secondary);
}

.empty-state .empty-icon {
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.empty-state p {
    font-size: 15px;
    font-weight: 300;
}

/* ── Animations ─────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

/* Staggered card entrance */
.project-card, .space-card {
    animation: cardIn 0.5s ease backwards;
}

.project-card:nth-child(1) { animation-delay: 0.05s; }
.project-card:nth-child(2) { animation-delay: 0.1s; }
.project-card:nth-child(3) { animation-delay: 0.15s; }
.project-card:nth-child(4) { animation-delay: 0.2s; }
.project-card:nth-child(5) { animation-delay: 0.25s; }
.project-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ─────────────────────── */
@media (max-width: 768px) {
    .topbar-inner {
        padding: 0 20px;
        height: 56px;
        gap: 16px;
    }

    .brand-text {
        font-size: 18px;
    }

    .home-page {
        padding: 28px 16px 56px;
    }

    .home-hero {
        padding: 0 0 44px;
    }

    .home-hero .hero-tagline {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .home-hero .hero-title {
        font-size: 32px;
        margin-bottom: 10px;
    }

    .home-hero .hero-subtitle {
        font-size: 15px;
        max-width: 320px;
        padding: 0 8px;
    }

    .home-hero .hero-divider {
        margin: 22px auto;
    }

    .project-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .project-card .card-cover {
        height: 170px;
    }

    .project-card .card-body {
        padding: 18px 20px;
    }

    .project-card .card-name {
        font-size: 19px;
        margin-bottom: 6px;
    }

    .project-card .card-meta {
        font-size: 12px;
    }

    .project-card.add-card {
        min-height: 260px;
        gap: 12px;
    }

    .add-card .add-icon-circle {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .add-card .add-text {
        font-size: 14px;
    }

    .project-page {
        padding: 32px 20px 60px;
    }

    .project-page .project-name {
        font-size: 28px;
    }

    .space-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .space-card {
        padding: 18px 16px;
    }

    .space-card .space-icon {
        display: none;
    }

    .space-card .space-name {
        font-size: 14px;
        margin-bottom: 0;
    }

    .space-card.add-space-card {
        padding: 22px 16px;
    }

    .viewer-toolbar {
        padding: 12px 16px;
    }

    .viewer-footer {
        padding: 12px 16px;
    }

    .viewer-btn {
        width: 40px;
        height: 40px;
    }
}

/* ── Print styles ───────────────────── */
@media print {
    #topbar, .viewer-overlay, .modal-overlay, .viewer-footer, .viewer-toolbar {
        display: none !important;
    }
}