/* PixelForge App Styles — matches landing page design language */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --ink: #0a0a0a;
    --paper: #f8f6f1;
    --accent: #e85d26;
    --accent-hover: #d14d1a;
    --accent-soft: #fff0e8;
    --muted: #6b6560;
    --rule: #d9d4cc;
    --success: #16a34a;
    --warning: #f59e0b;
    --danger: #dc2626;
    --radius: 8px;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAV */
nav {
    padding: 28px 0;
    border-bottom: 1px solid var(--rule);
}
nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    color: var(--ink);
    text-decoration: none;
}
.logo span { color: var(--accent); }
.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}
.nav-link {
    font-size: 0.9rem;
    color: var(--muted);
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 500;
}
.nav-link:hover,
.nav-link.active {
    color: var(--accent);
}

/* MAIN */
main {
    flex: 1;
    padding: 48px 0 80px;
}

/* FOOTER */
footer {
    padding: 32px 0;
    border-top: 1px solid var(--rule);
    margin-top: auto;
}
footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
footer .logo { font-size: 1.1rem; }
footer p {
    font-size: 0.8rem;
    color: var(--muted);
}

/* HEADINGS */
.page-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}
.page-subtitle {
    color: var(--muted);
    font-size: 1.05rem;
    margin-bottom: 40px;
}
.section-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 20px;
    display: block;
}

/* FORM STYLES */
.form-section {
    max-width: 680px;
}
.form-group {
    margin-bottom: 28px;
}
.form-label {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}
.form-hint {
    font-size: 0.82rem;
    color: var(--muted);
    margin-bottom: 10px;
}
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--accent);
}
.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--muted);
    opacity: 0.6;
}
.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

/* ASSET TYPE CARDS */
.asset-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.asset-type-card {
    border: 2px solid var(--rule);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
}
.asset-type-card:hover {
    border-color: var(--muted);
}
.asset-type-card.selected {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.asset-type-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}
.asset-type-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* STYLE CHIPS */
.style-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.style-chip {
    padding: 8px 20px;
    border: 1px solid var(--rule);
    border-radius: 100px;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
    font-family: 'DM Sans', sans-serif;
}
.style-chip:hover {
    border-color: var(--muted);
}
.style-chip.selected {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 500;
}

/* COLOR INPUT */
.color-input-row {
    display: flex;
    gap: 12px;
    align-items: center;
}
.color-input-row .form-input {
    flex: 1;
}
.color-preview {
    display: flex;
    gap: 6px;
    align-items: center;
    min-height: 36px;
}
.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--rule);
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    letter-spacing: -0.01em;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-secondary {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--rule);
}
.btn-secondary:hover {
    border-color: var(--ink);
}
.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
}

/* LOADING STATE */
.generating-view {
    text-align: center;
    padding: 80px 0;
    max-width: 500px;
    margin: 0 auto;
}
.generating-view h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.generating-view p {
    color: var(--muted);
    margin-bottom: 40px;
    font-size: 1rem;
}

/* Spinner */
.spinner-ring {
    width: 56px;
    height: 56px;
    border: 3px solid var(--rule);
    border-top-color: var(--accent);
    border-radius: 50%;
    margin: 0 auto 32px;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.progress-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
}
.progress-step {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--muted);
    transition: color 0.3s;
}
.progress-step.active {
    color: var(--ink);
    font-weight: 500;
}
.progress-step.done {
    color: var(--success);
}
.progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--rule);
    flex-shrink: 0;
    transition: background 0.3s;
}
.progress-step.active .progress-dot {
    background: var(--accent);
    animation: pulse-dot 1.2s ease-in-out infinite;
}
.progress-step.done .progress-dot {
    background: var(--success);
}
@keyframes pulse-dot {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.5); }
}

/* RESULTS GALLERY */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
}
.results-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.results-meta {
    color: var(--muted);
    font-size: 0.9rem;
}

.variations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}
.variation-card {
    background: #fff;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s;
}
.variation-card:hover {
    border-color: var(--muted);
}
.variation-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--rule);
    display: block;
}
.variation-info {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.variation-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.variation-tag {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    font-weight: 500;
}
.variation-actions {
    padding: 0 16px 16px;
    display: flex;
    gap: 8px;
}

/* REVISION SECTION */
.revision-section {
    max-width: 680px;
    margin-top: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--rule);
}
.revision-section h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.revision-section p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

/* REQUESTS LIST */
.requests-lookup {
    max-width: 480px;
    margin-bottom: 40px;
}
.email-row {
    display: flex;
    gap: 12px;
}
.email-row .form-input {
    flex: 1;
}

.requests-table {
    width: 100%;
    border-collapse: collapse;
}
.requests-table th {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--rule);
}
.requests-table td {
    padding: 16px;
    border-bottom: 1px solid var(--rule);
    font-size: 0.92rem;
}
.requests-table tr {
    cursor: pointer;
    transition: background 0.15s;
}
.requests-table tbody tr:hover {
    background: var(--accent-soft);
}
.requests-table .brand-cell {
    font-weight: 500;
}

/* STATUS BADGES */
.status-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 12px;
    border-radius: 100px;
}
.status-pending {
    background: #f3f4f6;
    color: var(--muted);
}
.status-generating {
    background: #fef3c7;
    color: #92400e;
}
.status-completed {
    background: #d1fae5;
    color: #065f46;
}
.status-failed {
    background: #fee2e2;
    color: #991b1b;
}

/* EMPTY STATE */
.empty-state {
    text-align: center;
    padding: 60px 0;
}
.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.4;
}
.empty-state h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.empty-state p {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ERROR STATE */
.error-banner {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* BRIEF SUMMARY CARD */
.brief-card {
    background: #fff;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
}
.brief-card h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    margin-bottom: 16px;
}
.brief-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}
.brief-item {
    font-size: 0.88rem;
}
.brief-item strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.brief-description {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--rule);
    font-size: 0.92rem;
    color: var(--ink);
    line-height: 1.6;
}

/* ANIMATIONS */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
    main { padding: 32px 0 60px; }
    .asset-type-grid { grid-template-columns: repeat(2, 1fr); }
    .variations-grid { grid-template-columns: 1fr; }
    .results-header { flex-direction: column; }
    .email-row { flex-direction: column; }
    .brief-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { gap: 16px; }
    .nav-link { font-size: 0.82rem; }
    footer .container { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
    .asset-type-grid { grid-template-columns: 1fr 1fr; }
    .brief-grid { grid-template-columns: 1fr; }
    .style-chips { gap: 6px; }
    .style-chip { padding: 6px 14px; font-size: 0.82rem; }
}