@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&display=swap");

:root {
    --ink: #12151c;
    --ink-soft: #2a303c;
    --muted: #5c6473;
    --paper: #f4f0e8;
    --paper-2: #ebe6dc;
    --surface: #fffcf7;
    --line: #e4ddd0;
    --teal: #0f766e;
    --teal-deep: #115e59;
    --teal-bright: #14b8a6;
    --teal-mist: #e7f6f4;
    --shadow: 0 18px 50px rgba(18, 21, 28, 0.12);
    --radius: 22px;
    --checker: linear-gradient(45deg, #ece8df 25%, transparent 25%),
                linear-gradient(-45deg, #ece8df 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, #ece8df 75%),
                linear-gradient(-45deg, transparent 75%, #ece8df 75%);
}

body {
    font-family: "Outfit", "Segoe UI", sans-serif;
    color: var(--ink);
    background-color: var(--paper);
    background-image:
        radial-gradient(1200px 500px at 10% -10%, rgba(20, 184, 166, 0.18), transparent 55%),
        radial-gradient(900px 400px at 100% 0%, rgba(15, 118, 110, 0.12), transparent 50%);
}

body:has(.header) {
    background-color: var(--paper);
    background-image:
        radial-gradient(1200px 500px at 10% -10%, rgba(20, 184, 166, 0.18), transparent 55%),
        radial-gradient(900px 400px at 100% 0%, rgba(15, 118, 110, 0.12), transparent 50%);
    padding: 0;
}

/* Home shell — same open layout as other pages, no card frame */
body:has(.header) > .container {
    max-width: none;
    width: 100%;
    margin: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
}

.header {
    background: var(--surface);
    color: var(--ink);
    padding: 0 max(1.5rem, calc((100% - 1200px) / 2));
    text-align: left;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    flex-wrap: wrap;
    border-bottom: 1px solid #e9ebec;
    width: 100%;
    box-sizing: border-box;
}

.nav {
    position: static;
    top: auto;
    right: auto;
    display: flex;
    gap: 2px 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin: 10px 0;
    flex: 1 1 auto;
    order: 2;
}

.nav a {
    color: var(--ink-soft);
    background: transparent;
    backdrop-filter: none;
    border: none;
    border-radius: 0;
    padding: 8px 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav a:hover {
    color: var(--teal);
    background: transparent;
}

.header-content {
    margin-top: 0;
    text-align: left;
    padding: 12px 0;
    flex: 0 0 auto;
    order: 1;
}

.header h1 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--teal);
    letter-spacing: -0.03em;
    font-weight: 700;
}

.header p {
    display: none;
}

#apiStatus {
    margin-top: 2px !important;
    font-size: 0.8rem !important;
    color: var(--muted);
    font-weight: 500;
}

.main-content {
    background: transparent;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-section {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 48px 0 24px;
}

.hero-section h2,
.features-section h2,
.how-it-works-section h2,
.guide-section h2 {
    letter-spacing: -0.03em;
    color: var(--ink);
}

.hero-section p,
.how-it-works-section p,
.guide-subtitle {
    color: var(--muted);
}

.hero-btn.primary,
.upload-btn,
.download-btn {
    background: linear-gradient(180deg, #17c3b2 0%, #0f766e 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-btn.secondary {
    background: transparent;
    color: var(--teal-deep);
    border: 1px solid var(--teal);
}

.hero-btn.secondary:hover {
    background: var(--teal-mist);
}

.process-btn {
    background: linear-gradient(180deg, #1ad1bd 0%, #0d7377 100%);
    box-shadow: 0 12px 28px rgba(13, 115, 119, 0.32);
}

.process-btn:disabled {
    background: #9aa3ad;
    box-shadow: none;
}

.upload-section {
    background: #fff;
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    padding: 24px 24px 28px;
}

.upload-section:hover {
    background: #fff;
    border: none;
}

.upload-section h2 {
    margin-bottom: 16px;
}

.upload-area {
    background: #f7f9fa;
    border: 1px dashed #dee2e6;
    border-radius: 12px;
    padding: 64px 32px;
}

.upload-section:hover .upload-area {
    border-color: var(--teal);
    background: #f4fbfa;
}

.upload-icon,
.upload-text {
    color: var(--ink-soft);
}

.control-group label,
.preview-item h3,
.result-item h4,
.feature-card h3,
.step-card h3 {
    color: var(--ink);
}

.control-group select {
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    font-family: inherit;
    box-shadow: none;
}

.control-group select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.18);
}

.processing-placeholder {
    background: #f7f9fa;
    border: 1px dashed #dee2e6;
    border-radius: 12px;
    padding: 40px 24px;
}

.result-item {
    background: #fff;
    border: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    padding: 24px;
}

.preview-image,
.result-image {
    background:
        var(--checker) 0 0 / 16px 16px,
        #fff;
    border: none;
    border-radius: 12px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.12);
}

.feature-card,
.step-card {
    background: #fff;
    border: none;
    box-shadow: 0 10px 30px rgba(18, 21, 28, 0.05);
    padding: 36px 28px;
}

.feature-card:hover,
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 36px rgba(15, 118, 110, 0.12);
}

.features-grid,
.steps-grid {
    gap: 36px;
}

.how-it-works-section,
.guide-section {
    background: var(--paper);
    border: none;
    padding: 56px 44px;
}

.step-number {
    background: linear-gradient(180deg, #17c3b2, #0f766e);
    box-shadow: 0 8px 16px rgba(15, 118, 110, 0.28);
}

body:has(.header) .cta-section {
    background:
        radial-gradient(circle at 85% 20%, rgba(20, 184, 166, 0.35), transparent 42%),
        linear-gradient(145deg, #122024 0%, #0f766e 120%);
    color: #f7faf9;
    padding: 64px 48px;
}

body:has(.header) .cta-section p {
    color: rgba(247, 250, 249, 0.82);
}

body:has(.header) .cta-section .cta-btn {
    background: #fff;
    color: var(--teal-deep);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

body:has(.navbar) .cta-section {
    background: linear-gradient(180deg, #e7f6f4 0%, #f7fffd 100%);
    color: var(--ink);
    border: none;
    padding: 3rem;
}

body:has(.navbar) .cta-section h2 {
    color: var(--ink);
}

body:has(.navbar) .cta-section p {
    color: var(--muted);
}

.guide-content h3 {
    color: var(--ink);
    border-bottom-color: var(--teal-bright);
}

.guide-content h4,
.guide-content strong {
    color: var(--ink-soft);
}

.guide-content p,
.guide-content li {
    color: var(--muted);
}

.spinner {
    border-color: #e7efe8;
    border-top-color: var(--teal-bright);
}

.error-message {
    background: #fdecea;
    color: #8a1c14;
    border: 1px solid #f4c7c3;
}

.success-message {
    background: var(--teal-mist);
    color: #0f4f4a;
    border: 1px solid #b7e4de;
}

.results-section > h2 {
    color: var(--ink) !important;
}

.footer {
    background: linear-gradient(180deg, #12181b 0%, #0d1316 100%);
    color: #e8eeed;
}

body:has(.header) .footer {
    width: 100%;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    position: relative;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: 100vw;
    box-sizing: border-box;
}

html {
    overflow-x: clip;
}

.footer-section h3,
.footer-section h4 {
    color: #fff;
}

.footer-section p,
.footer-section ul li a,
.footer-bottom p {
    color: #b7c2c0;
}

.footer-section ul li a:hover {
    color: var(--teal-bright);
}

.footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.08);
}

/* Inner pages */
.navbar {
    background: rgba(255, 252, 247, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: none;
}

.nav-logo h1,
.nav-link:hover,
.nav-link.active {
    color: var(--teal);
}

.nav-link {
    color: var(--ink-soft);
}

.bar {
    background: var(--ink);
}

.hero {
    background:
        radial-gradient(circle at 80% 10%, rgba(20, 184, 166, 0.3), transparent 42%),
        linear-gradient(145deg, #121a1d 0%, #163033 55%, #0f766e 140%);
    color: #f7faf9;
    border: none;
    box-shadow: var(--shadow);
    padding: 4.5rem 2rem;
}

.content {
    background: var(--surface);
    border: none;
    box-shadow: 0 10px 30px rgba(18, 21, 28, 0.05);
}

.content h2,
.content h3 {
    letter-spacing: -0.02em;
}

.content h2 {
    color: var(--teal-deep);
}

.content h3 {
    color: var(--ink);
}

.last-updated,
.contact-info,
.form-section,
.api-endpoint,
.cookie-type,
.contact-card,
.content .feature-card {
    background: #f7f9fa;
    border: 1px solid #e9ebec;
}

.last-updated,
.cookie-type,
.contact-card,
.content .feature-card {
    border-left: 4px solid var(--teal);
}

.contact-card h4,
.feature-card h4,
.cookie-type h4,
.endpoint-url,
.parameter-name,
.response-example h4,
.data-table th,
.cookie-table th,
.contact-card a {
    color: var(--teal-deep);
}

.form-group input,
.form-group textarea,
.form-group select {
    border: 1px solid #dee2e6;
    border-radius: 8px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.18);
}

.submit-btn,
body:has(.navbar) .cta-btn {
    background: linear-gradient(180deg, #17c3b2 0%, #0f766e 100%);
    color: #fff;
}

.submit-btn:hover,
.cta-btn:hover {
    box-shadow: 0 8px 20px rgba(15, 118, 110, 0.32);
}

.faq-question {
    background: var(--teal-mist);
    color: var(--ink);
}

.faq-question:hover {
    background: #d7efec;
}

.privacy-highlight,
.quick-start,
.cookie-settings,
.response-time {
    background: var(--teal-mist);
    border-color: #9ad9d1;
}

.privacy-highlight h4,
.privacy-highlight p,
.quick-start h3,
.quick-start p,
.cookie-settings h4,
.cookie-settings p,
.response-time h4,
.response-time p {
    color: #0f4f4a;
}

.data-table th,
.cookie-table th {
    background: var(--teal-mist);
}

.method.get,
.status-online {
    background: var(--teal-mist);
    color: #0f4f4a;
}

.method.post {
    background: #e6eefc;
    color: #1e3a8a;
}

.code-block {
    background: #12181b;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 769px) {
    .main-content {
        padding: 32px 24px 48px;
    }

    .content {
        padding: 3.5rem 3rem;
    }
}

@media (max-width: 1200px) {
    body:has(.header),
    body:has(.header) > .container {
        padding: 0;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 10px 16px 12px;
        min-height: auto;
        flex-direction: column;
        align-items: stretch;
    }

    .nav {
        position: static;
        top: auto;
        right: auto;
        justify-content: flex-start;
        margin: 0;
        gap: 4px;
        width: 100%;
    }

    .nav a {
        background: transparent;
        color: var(--ink-soft);
        padding: 8px 10px;
        font-size: 0.9rem;
        border-radius: 0;
        min-height: 40px;
    }

    .nav .coffee-button {
        flex-basis: 100%;
        margin: 8px 0 0;
    }

    .header-content {
        margin-top: 0;
        padding: 4px 0 8px;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .main-content {
        padding: 16px;
        max-width: 100%;
    }

    .hero-section,
    .upload-section,
    .how-it-works-section,
    .guide-section {
        padding: 24px 0;
    }

    .feature-card,
    .step-card {
        padding: 24px 18px;
    }

    .features-grid,
    .steps-grid,
    .preview-images,
    .results-grid,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-buttons,
    .controls {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-btn,
    .upload-btn,
    .process-btn,
    .download-btn,
    .cta-btn {
        width: 100%;
        max-width: none;
    }

    .control-group {
        width: 100%;
        max-width: none;
    }

    .control-group select {
        width: 100%;
    }

    .upload-area {
        padding: 40px 16px;
        background: #f7f9fa;
        border: 1px dashed #dee2e6;
        border-radius: 12px;
    }

    .how-it-works-section,
    .guide-section {
        background: var(--paper);
        padding: 28px 16px;
        border-radius: 12px;
    }

    .process-btn {
        background: linear-gradient(180deg, #1ad1bd 0%, #0d7377 100%);
        box-shadow: 0 8px 18px rgba(13, 115, 119, 0.28);
    }

    body:has(.header) .cta-section {
        background:
            radial-gradient(circle at 85% 20%, rgba(20, 184, 166, 0.35), transparent 42%),
            linear-gradient(145deg, #122024 0%, #0f766e 120%);
        padding: 36px 20px;
    }

    body:has(.header) .cta-btn {
        background: #fff;
        color: var(--teal-deep);
    }

    body:has(.header) .footer {
        transform: none;
        left: auto;
        width: 100%;
        max-width: 100%;
    }

    .guide-content h3 {
        border-bottom-color: var(--teal-bright);
    }

    .footer {
        background: linear-gradient(180deg, #12181b 0%, #0d1316 100%);
        margin-top: 40px;
    }

    .footer-content {
        padding: 0 20px;
    }

    .footer-section ul li a:hover {
        color: var(--teal-bright);
    }

    .spinner {
        border-top-color: var(--teal-bright);
    }

    .nav-menu {
        background-color: var(--surface);
    }

    .nav-container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

@media (max-width: 480px) {
    .header h1,
    .nav-logo h1 {
        font-size: 1.45rem;
    }

    .nav a {
        font-size: 0.82rem;
        padding: 8px;
    }

    .hero-section h2,
    .features-section h2,
    .how-it-works-section h2,
    .cta-section h2,
    .guide-section h2,
    .hero h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .main-content {
        padding: 12px;
    }

    .preview-image,
    .result-image {
        max-height: 220px;
    }
}