/* ── StampMyWork — Dark + Teal Theme ───────────────────────────────── */
:root {
    --bg: #0a0a0a;
    --surface: #111418;
    --surface-2: #181c22;
    --surface-3: #1f242c;
    --accent: #2dd4bf;
    --accent-dim: #14b8a6;
    --accent-glow: rgba(45, 212, 191, 0.12);
    --accent-bright: #5eead4;
    --cream: #f0f4f8;
    --text: #cbd5e1;
    --text-dim: #64748b;
    --green: #4ade80;
    --green-dim: #22c55e;
    --blue: #60a5fa;
    --red: #f87171;
    --orange: #fb923c;
    --purple: #a78bfa;
    --border: #1e293b;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 20px rgba(0,0,0,0.5);
    --transition: 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Typography ─────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
    font-family: 'Cormorant Garamond', 'Georgia', serif;
    color: var(--cream);
    font-weight: 600;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cream); }

/* ── Layout ─────────────────────────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Navigation ─────────────────────────────────────────────────────── */
nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i { font-size: 1.4rem; }

.nav-links { display: flex; gap: 28px; align-items: center; }

.nav-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover, .nav-links a.active { color: var(--accent); }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--accent), var(--cream));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* ── Upload Zone ────────────────────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    background: var(--surface);
    position: relative;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-glow);
}

.upload-zone i {
    font-size: 3rem;
    color: var(--accent-dim);
    margin-bottom: 16px;
    display: block;
}

.upload-zone h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.upload-zone p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* ── Registration Form ──────────────────────────────────────────────── */
.reg-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 24px;
    display: none;
}

.reg-form.visible { display: block; }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.85rem;
    color: var(--text-dim);
    font-weight: 500;
}

.form-group input, .form-group textarea {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--cream);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 80px; }

.file-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-2);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.file-preview i { font-size: 1.5rem; color: var(--accent); }

.file-preview .file-info { flex: 1; }
.file-preview .file-name { font-weight: 500; color: var(--cream); font-size: 0.95rem; }
.file-preview .file-meta { font-size: 0.8rem; color: var(--text-dim); }

.file-preview .remove-file {
    background: none;
    border: none;
    color: var(--red);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
}

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

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

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

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

.btn-secondary {
    background: var(--surface-2);
    color: var(--cream);
    border: 1px solid var(--border);
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
    background: transparent;
    color: var(--red);
    border: 1px solid var(--red);
}

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

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ── Result Card ────────────────────────────────────────────────────── */
.result-card {
    background: var(--surface);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 32px;
    display: none;
}

.result-card.visible { display: block; }

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.result-header .check {
    width: 48px;
    height: 48px;
    background: var(--green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg);
    font-size: 1.4rem;
}

.result-header h2 { font-size: 1.5rem; }

.hash-display {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin: 16px 0;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.85rem;
    word-break: break-all;
    color: var(--green);
    position: relative;
}

.hash-display .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--surface-3);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all var(--transition);
}

.hash-display .copy-btn:hover { color: var(--accent); border-color: var(--accent); }

.result-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

/* ── Features Grid ──────────────────────────────────────────────────── */
.features {
    padding: 60px 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.feature-card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-2px);
}

.feature-card i {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 12px;
    display: block;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--cream);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
    flex: 1;
}

.feature-source {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.78rem;
    color: var(--accent-dim);
    margin-top: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.feature-card:hover .feature-source {
    color: var(--accent);
}

.feature-source i {
    font-size: 0.65rem;
    color: inherit;
    margin-bottom: 0;
    display: inline;
    transition: transform 0.2s ease;
}

.feature-card:hover .feature-source i {
    transform: translateX(3px);
}

/* ── Dashboard ──────────────────────────────────────────────────────── */
.dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 32px 0 24px;
}

.dash-header h1 { font-size: 2rem; }

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Cormorant Garamond', serif;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Filter Bar ─────────────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-dim);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.filter-btn:hover { border-color: var(--accent-dim); color: var(--cream); }
.filter-btn.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.search-input {
    flex: 1;
    min-width: 200px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 8px 18px;
    color: var(--cream);
    font-size: 0.9rem;
    font-family: inherit;
}

.search-input:focus { outline: none; border-color: var(--accent); }

/* ── Registration List ──────────────────────────────────────────────── */
.reg-list {
    display: grid;
    gap: 12px;
}

.reg-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
}

.reg-item:hover { border-color: var(--accent-dim); }

.reg-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.reg-icon.image { color: #f472b6; }
.reg-icon.audio { color: #a78bfa; }
.reg-icon.video { color: #fb923c; }
.reg-icon.document { color: #60a5fa; }
.reg-icon.design { color: #34d399; }
.reg-icon.code { color: #fbbf24; }

.reg-info { flex: 1; min-width: 0; }

.reg-title {
    font-weight: 600;
    color: var(--cream);
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.reg-meta {
    font-size: 0.8rem;
    color: var(--text-dim);
    display: flex;
    gap: 16px;
    margin-top: 2px;
}

.reg-hash {
    font-family: 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--green);
    opacity: 0.7;
}

.reg-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

/* ── Verify Page ────────────────────────────────────────────────────── */
.verify-section {
    max-width: 700px;
    margin: 60px auto;
    text-align: center;
}

.verify-section h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.verify-result {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 24px;
    text-align: left;
}

.verify-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.verify-badge.verified {
    background: rgba(74, 222, 128, 0.15);
    color: var(--green);
    border: 1px solid var(--green);
}

.verify-badge.not-found {
    background: rgba(248, 113, 113, 0.15);
    color: var(--red);
    border: 1px solid var(--red);
}

/* ── How It Works ───────────────────────────────────────────────────── */
.how-it-works {
    padding: 60px 0;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg);
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--text-dim); }

/* ── Footer ─────────────────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    margin-top: 60px;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* ── Loading ────────────────────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ── Toast ──────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 24px;
    color: var(--cream);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

/* ── Empty State ────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-dim);
}

.empty-state i { font-size: 3rem; margin-bottom: 16px; display: block; opacity: 0.3; }
.empty-state p { font-size: 1rem; }

/* ── Live Activity Feed ────────────────────────────────────────────── */
.live-feed {
    margin: 48px 0;
}

.live-feed-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.live-feed-header h2 {
    font-size: 1.5rem;
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(74,222,128,0); }
}

.feed-stream {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow: hidden;
    position: relative;
}

.feed-stream::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg));
    pointer-events: none;
}

.feed-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    animation: feed-slide-in 0.5s ease;
    transition: opacity 0.3s ease, background 0.2s ease, border-color 0.2s ease;
}

.feed-item:hover {
    background: var(--surface-2);
    border-color: var(--accent-dim);
}

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

.feed-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.feed-icon.register { background: rgba(45,212,191,0.15); color: var(--accent); }
.feed-icon.verify { background: rgba(74,222,128,0.15); color: var(--green); }
.feed-icon.claim { background: rgba(251,146,60,0.15); color: var(--orange); }
.feed-icon.protect { background: rgba(167,139,250,0.15); color: var(--purple); }

.feed-text { flex: 1; color: var(--text); }
.feed-text strong { color: var(--cream); font-weight: 600; }

.feed-time {
    font-size: 0.75rem;
    color: var(--text-dim);
    white-space: nowrap;
}

/* ── Global Stats Banner ───────────────────────────────────────────── */
.global-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 48px 0;
}

.global-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.global-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
}

.global-stat.teal::before { background: var(--accent); }
.global-stat.green::before { background: var(--green); }
.global-stat.blue::before { background: var(--blue); }
.global-stat.purple::before { background: var(--purple); }

.global-stat .stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    margin-bottom: 4px;
    letter-spacing: -1px;
}

.global-stat.teal .stat-number { color: var(--accent); }
.global-stat.green .stat-number { color: var(--green); }
.global-stat.blue .stat-number { color: var(--blue); }
.global-stat.purple .stat-number { color: var(--purple); }

.global-stat .stat-desc {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.4;
}

/* ── Context Bar (IP theft stats) ──────────────────────────────────── */
.context-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    overflow: hidden;
}

.context-bar i {
    color: var(--accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.context-ticker {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 20px;
}

.context-ticker span {
    position: absolute;
    white-space: nowrap;
    font-size: 0.85rem;
    color: var(--text-dim);
    animation: ticker-fade 5s ease infinite;
}

@keyframes ticker-fade {
    0%, 10% { opacity: 0; transform: translateY(8px); }
    20%, 80% { opacity: 1; transform: translateY(0); }
    90%, 100% { opacity: 0; transform: translateY(-8px); }
}


/* ── Know Your Rights ──────────────────────────────────────────────── */
.know-your-rights {
    margin-top: 60px;
    padding-top: 40px;
}

.know-your-rights h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2rem;
    color: var(--cream);
    text-align: center;
    margin-bottom: 8px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.rights-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.rights-card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-2px);
}

.rights-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.rights-icon i {
    font-size: 1.2rem;
    color: var(--accent);
}

.rights-card h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--cream);
    margin-bottom: 10px;
}

.rights-card p {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.65;
    margin-bottom: 14px;
}

.rights-card em {
    color: var(--accent-bright);
    font-style: italic;
}

.rights-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--accent-dim);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.rights-link:hover {
    color: var(--accent);
}

.rights-link i {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.rights-link:hover i {
    transform: translateX(3px);
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .global-stats { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .reg-item { flex-direction: column; align-items: flex-start; }
    .reg-actions { width: 100%; justify-content: flex-end; }
    .nav-links { gap: 16px; }
    .result-actions { flex-direction: column; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
}