/* ==========================================================================
   PNW Tree Identifier -- Forest Theme
   ========================================================================== */

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

:root {
    /* Forest palette */
    --color-primary: #2d5016;
    --color-primary-light: #3d6b1e;
    --color-primary-lighter: #5a9a2f;
    --color-primary-dark: #1e3a0e;
    --color-bark: #6b4226;
    --color-bark-light: #8b6342;
    --color-canopy: #3d6b1e;
    --color-moss: #4a7c28;
    --color-fern: #2e7d32;
    --color-sky: #87a8c4;

    /* Surfaces */
    --color-bg: #f0f4ed;
    --color-bg-warm: #faf8f5;
    --color-surface: #ffffff;
    --color-surface-alt: #f7f9f5;
    --color-text: #1a2e12;
    --color-text-secondary: #4a5d3e;
    --color-text-muted: #6b7d5e;
    --color-border: #c8d5be;
    --color-border-light: #dfe8d8;
    --color-error: #b71c1c;
    --color-error-bg: #fdf0ef;
    --color-success: #2e7d32;

    /* Spacing & shapes */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 2px 8px rgba(30, 58, 14, 0.08);
    --shadow-md: 0 4px 16px rgba(30, 58, 14, 0.1);
    --shadow-lg: 0 8px 32px rgba(30, 58, 14, 0.12);

    /* Typography */
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --font-heading: Georgia, "Times New Roman", serif;
}

/* ---------- Focus & accessibility ---------- */

*:focus-visible {
    outline: 3px solid var(--color-primary-lighter);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: 1rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Base ---------- */

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration-color: var(--color-border);
    text-underline-offset: 2px;
    transition: color 0.2s, text-decoration-color 0.2s;
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration-color: var(--color-primary);
}

/* ---------- Header / Nav ---------- */

header {
    background: var(--color-primary-dark);
}

.header-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #fff;
}

.logo-link:hover {
    color: #d4e8c8;
}

.logo-icon {
    color: #8bc34a;
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s, background-color 0.2s;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

/* ---------- Hero ---------- */

.hero {
    background:
        linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-canopy) 100%);
    padding: 3rem 1.5rem 2.5rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-compact {
    padding: 2rem 1.5rem 1.75rem;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.92;
    line-height: 1.5;
}

.hero-detail {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* Decorative trees */
.hero-trees {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    pointer-events: none;
}

.hero-tree {
    position: absolute;
    bottom: -4px;
    opacity: 0.08;
    color: #fff;
}

.hero-tree-1 {
    left: 5%;
    height: 80%;
}

.hero-tree-2 {
    left: 15%;
    height: 55%;
}

.hero-tree-3 {
    right: 8%;
    height: 70%;
}

/* ---------- Main content ---------- */

main {
    flex: 1;
}

.page-content {
    max-width: 880px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ---------- Upload Section ---------- */

.upload-section {
    max-width: 560px;
    margin: 0 auto 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Drop zone */
.drop-zone {
    width: 100%;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s, box-shadow 0.2s;
    background: var(--color-surface);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--color-primary);
    background: #eef3eb;
    box-shadow: 0 0 0 4px rgba(45, 80, 22, 0.08);
}

.drop-zone:focus-visible {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(90, 154, 47, 0.25);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--color-moss);
    margin-bottom: 1rem;
}

.drop-zone-content p {
    margin: 0.25rem 0;
}

.drop-zone-prompt {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text);
}

.drop-zone-hint {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.drop-zone-formats {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-top: 0.5rem !important;
}

/* Preview */
.preview-section {
    width: 100%;
    text-align: center;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow);
}

.preview-section img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.98);
}

.btn-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

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

.btn-primary:hover {
    background: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(45, 80, 22, 0.2);
    color: white;
}

.btn-secondary {
    background: var(--color-border-light);
    color: var(--color-text);
}

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

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Results */
.results {
    width: 100%;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.results h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.3rem;
}

.prediction-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.prediction-item:last-child {
    border-bottom: none;
}

.prediction-rank {
    font-weight: 700;
    color: var(--color-primary);
    width: 2rem;
    flex-shrink: 0;
    font-size: 1.05rem;
}

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

.prediction-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
}

.prediction-slug {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-style: italic;
}

.prediction-confidence {
    flex-shrink: 0;
    margin-left: 1rem;
}

.confidence-bar {
    width: 120px;
    height: 8px;
    background: var(--color-border-light);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-moss));
    border-radius: 4px;
    transition: width 0.5s ease-out;
}

.confidence-value {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: right;
    color: var(--color-text-secondary);
}

/* Error */
.error {
    width: 100%;
    background: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: var(--color-error);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    font-weight: 500;
}

/* ---------- Info Sections (How It Works, Species, etc.) ---------- */

.info-section {
    margin-bottom: 3rem;
    padding-top: 1rem;
}

.info-section h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.info-section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 3rem;
    height: 3px;
    background: var(--color-moss);
    border-radius: 2px;
}

.section-intro {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 680px;
}

/* Pipeline cards (How It Works) */
.pipeline-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.pipeline-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--color-moss);
    transition: box-shadow 0.2s, transform 0.2s;
}

.pipeline-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.pipeline-icon {
    width: 40px;
    height: 40px;
    color: var(--color-moss);
    margin-bottom: 0.75rem;
}

.pipeline-icon svg {
    width: 100%;
    height: 100%;
}

.pipeline-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.pipeline-card p {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Species groups */
.species-groups {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.species-group {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.species-group h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.group-icon {
    width: 22px;
    height: 22px;
    color: var(--color-moss);
    flex-shrink: 0;
}

.group-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.species-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.species-tag {
    display: inline-block;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 2rem;
    padding: 0.3rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    transition: background-color 0.15s, border-color 0.15s;
}

.species-tag:hover {
    background: #e8f0e0;
    border-color: var(--color-border);
}

/* Detail cards (Behind the Scenes) */
.detail-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.detail-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border-left: 3px solid var(--color-bark-light);
}

.detail-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.detail-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.detail-card a {
    font-weight: 500;
}

/* ---------- About Page ---------- */

.about-page {
    max-width: 780px;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    position: relative;
}

.about-section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 3rem;
    height: 3px;
    background: var(--color-moss);
    border-radius: 2px;
}

.about-prose {
    color: var(--color-text);
    line-height: 1.75;
}

.about-prose h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-primary-dark);
    margin-top: 1.75rem;
    margin-bottom: 0.5rem;
}

.about-prose p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

.about-prose ol,
.about-prose ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--color-text-secondary);
}

.about-prose li {
    margin-bottom: 0.4rem;
    line-height: 1.65;
}

.about-prose code {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-light);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
    color: var(--color-bark);
}

.about-prose strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Info tables */
.info-table-wrap {
    overflow-x: auto;
    margin: 1rem 0 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    font-size: 0.9rem;
}

.info-table th {
    background: var(--color-primary-dark);
    color: #fff;
    text-align: left;
    padding: 0.7rem 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

.info-table td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.info-table tr:last-child td {
    border-bottom: none;
}

.info-table tr:hover td {
    background: var(--color-surface-alt);
}

/* Stat cards */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--color-moss);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* Architecture diagram */
.architecture-diagram {
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.arch-block {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
}

.arch-backbone {
    border: 2px solid var(--color-primary);
    border-top: 4px solid var(--color-primary);
}

.arch-head {
    border: 2px solid var(--color-bark-light);
    border-top: 4px solid var(--color-bark-light);
}

.arch-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
}

.arch-detail {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.arch-sublabel {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.arch-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: 0.5rem;
}

.arch-layers {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0.75rem 0;
}

.arch-layer {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-family: ui-monospace, "SF Mono", monospace;
}

.arch-arrow {
    width: 2px;
    height: 20px;
    background: var(--color-border);
    margin: 0.5rem auto;
    position: relative;
}

.arch-arrow::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: -4px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-border);
}

.arch-output {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.arch-connector {
    width: 2px;
    height: 24px;
    background: var(--color-border);
    position: relative;
}

.arch-connector::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: -4px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-border);
}

/* Phase cards */
.phase-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.phase-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.phase-header {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.phase-number {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.phase-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
}

.phase-body {
    padding: 1.25rem;
}

.phase-body p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.phase-details {
    background: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin: 0.75rem 0;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.phase-analogy {
    font-style: italic;
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
    border-left: 3px solid var(--color-border);
    padding-left: 0.75rem;
    margin-top: 0.5rem !important;
}

/* Inference steps */
.inference-steps {
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.inference-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
    margin-top: 0;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Tips / limitations */
.tips-list {
    list-style: none;
    padding: 0;
}

.tips-list li {
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow);
    border-left: 3px solid var(--color-bark-light);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* About CTA */
.about-cta {
    text-align: center;
    padding: 2rem 0 1rem;
}

.about-cta .btn-primary {
    font-size: 1.1rem;
    padding: 0.85rem 2.5rem;
}

/* ---------- Footer ---------- */

footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    margin-top: auto;
}

.footer-content {
    max-width: 880px;
    margin: 0 auto;
}

.footer-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-sep {
    opacity: 0.5;
}

.footer-secondary {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    opacity: 0.6;
}

footer a {
    color: #a5d6a7;
    text-decoration: none;
}

footer a:hover {
    color: #c8e6c9;
    text-decoration: underline;
}

footer strong {
    color: rgba(255, 255, 255, 0.9);
}

/* ---------- Utility ---------- */

.hidden {
    display: none !important;
}

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .hero h1 { font-size: 1.8rem; }
    .hero { padding: 2rem 1rem 1.75rem; }

    .pipeline-cards { grid-template-columns: 1fr; }
    .detail-cards { grid-template-columns: 1fr; }
    .species-groups { grid-template-columns: 1fr; }
    .phase-cards { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }

    .page-content { padding: 1.5rem 1rem; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-subtitle { font-size: 1rem; }

    .header-nav { padding: 0.6rem 1rem; }
    .logo-text { font-size: 1rem; }

    .drop-zone { padding: 2rem 1rem; }
    .confidence-bar { width: 80px; }

    .stat-cards { grid-template-columns: 1fr 1fr; }
    .stat-number { font-size: 1.3rem; }

    .info-table { font-size: 0.82rem; }
    .info-table th, .info-table td { padding: 0.5rem 0.7rem; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .pipeline-card:hover {
        transform: none;
    }
}

/* ---------- High contrast ---------- */

@media (prefers-contrast: high) {
    :root {
        --color-text: #000;
        --color-text-secondary: #1a1a1a;
        --color-text-muted: #333;
        --color-border: #666;
        --color-border-light: #999;
    }
    .species-tag {
        border-width: 2px;
    }
}