/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0a;
    --fg: #c0c0c0;
    --fg-bright: #e0e0e0;
    --accent: #00ff88;
    --accent-dim: #00cc66;
    --warning: #ffaa00;
    --error: #ff4444;
    --border: #333;
    --surface: #111;
    --link: #00ddaa;
    --link-hover: #00ff88;
}

[data-theme="light"] {
    --bg: #fafafa;
    --fg: #333;
    --fg-bright: #111;
    --accent: #006644;
    --accent-dim: #008855;
    --warning: #996600;
    --error: #cc2200;
    --border: #ccc;
    --surface: #f0f0f0;
    --link: #005533;
    --link-hover: #007744;
}

html {
    font-size: 14px;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--link);
    text-decoration: none;
}
a:hover {
    color: var(--link-hover);
}

pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
    white-space: pre;
    overflow-x: auto;
}

/* === HEADER / NAV === */
header {
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    gap: 0.5rem;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
}

.nav-right {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-right a {
    color: var(--fg);
    font-size: 0.85rem;
    white-space: nowrap;
}
.nav-right a:hover {
    color: var(--accent);
}

/* Hamburger menu button - hidden on desktop */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    padding: 0.15rem 0.45rem;
    cursor: pointer;
    line-height: 1;
}
.nav-toggle:hover {
    border-color: var(--accent);
}

/* Theme toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
    font-size: 0.85rem;
    padding: 0.15rem 0.4rem;
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.2;
}
.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* === MAIN === */
main {
    flex: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* === HERO === */
.hero {
    text-align: center;
    padding: 2rem 0;
}

.ascii-logo {
    color: var(--accent);
    font-size: 0.85rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.15);
    overflow: hidden;
}

.tagline {
    color: var(--fg-bright);
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* === EXPLAINER === */
.explainer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 2rem auto;
    max-width: 700px;
    text-align: left;
}

.explainer-card {
    border: 1px solid var(--border);
    padding: 1.25rem;
    background: var(--surface);
}

.explainer-card h3 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.explainer-card p {
    color: var(--fg);
    font-size: 0.85rem;
    line-height: 1.5;
}

.explainer-card .explainer-cta {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
}

/* === SEARCH === */
.search-form {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.terminal-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    background: var(--surface);
}

.terminal-input .prompt {
    color: var(--accent);
    white-space: nowrap;
}

.terminal-input input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--fg-bright);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    outline: none;
    min-width: 0;
}

.terminal-input button {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    cursor: pointer;
    white-space: nowrap;
}
.terminal-input button:hover {
    background: var(--accent);
    color: var(--bg);
}

/* === SECTIONS === */
.page-section {
    padding: 1rem 0;
}

.page-section h1 {
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.page-section h2 {
    color: var(--accent-dim);
    font-size: 1.1rem;
    margin: 1.5rem 0 0.75rem;
}

/* === LEVELS PREVIEW === */
.levels-preview {
    text-align: center;
}
.levels-preview pre {
    display: inline-block;
    text-align: left;
    color: var(--fg);
}

/* === WEBSITE GRID === */
.website-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.website-card {
    display: block;
    color: var(--fg);
}
.website-card:hover {
    color: var(--accent);
}
.website-card pre {
    transition: color 0.15s;
}

/* === RESULTS === */
.result-count {
    color: var(--fg);
    margin-bottom: 1rem;
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.result-item {
    display: block;
    color: var(--fg);
    padding: 0.5rem 0;
}
.result-item:hover {
    color: var(--accent);
}

/* === WEBSITE DETAIL === */
.website-header {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.level-badge {
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.domain {
    color: var(--fg);
    font-size: 0.9rem;
    word-break: break-all;
}

.submitted-by {
    color: var(--fg);
    font-size: 0.85rem;
}

.badge-verified {
    color: var(--accent);
}
.badge-unverified {
    color: var(--warning);
}

.description {
    margin: 1rem 0;
    padding: 1rem;
    border-left: 2px solid var(--border);
}

.criteria-level {
    margin-bottom: 1.5rem;
}

.criteria-level h3 {
    color: var(--fg-bright);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.embed-section {
    margin-top: 2rem;
    padding: 1rem;
    border: 1px solid var(--border);
    background: var(--surface);
}

.owner-actions pre {
    color: var(--warning);
}

/* === PAYMENT === */
.payment-header {
    color: var(--warning);
}

.payment-methods {
    margin-top: 1rem;
}

.payment-tab-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.payment-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
    cursor: pointer;
}
.payment-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.payment-tab.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--surface);
}

.payment-method-content {
    padding: 1rem;
    border: 1px solid var(--border);
    background: var(--surface);
}

.chain-select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--fg-bright);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    padding: 0.5rem;
    outline: none;
    cursor: pointer;
}
.chain-select:focus {
    border-color: var(--accent);
}
.chain-select option {
    background: var(--bg);
    color: var(--fg-bright);
}

.payment-note {
    color: var(--fg);
    font-size: 0.8rem;
    margin-top: 0.75rem;
    opacity: 0.7;
}

.payment-status {
    margin-top: 1rem;
    font-size: 0.85rem;
    min-height: 1.2em;
}

/* === FORMS === */
.ascii-form {
    max-width: 400px;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    color: var(--accent);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.form-field input,
.form-field textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--fg-bright);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    padding: 0.5rem;
    outline: none;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--accent);
}

.checkbox-field label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-field input[type="checkbox"] {
    width: auto;
}

.btn {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    margin-top: 0.5rem;
}
.btn:hover {
    background: var(--accent);
    color: var(--bg);
}

/* === AUTH FORMS === */
.auth-forms {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: flex-start;
}

.auth-form {
    flex: 1;
    min-width: 250px;
}

.divider {
    color: var(--border);
    align-self: stretch;
    display: flex;
    align-items: center;
}

.error-box {
    color: var(--error);
    margin-bottom: 1rem;
}

.success-box {
    color: var(--accent);
    margin-bottom: 1rem;
}

.token-display {
    color: var(--accent);
    margin-bottom: 1rem;
    background: var(--surface);
    padding: 0.5rem;
    border: 1px solid var(--accent);
    overflow-x: auto;
}

.api-info {
    color: var(--fg);
    margin-top: 2rem;
}

/* === PROFILES === */
.profile-header {
    color: var(--accent);
    margin-bottom: 1rem;
}

/* === LEVELS PAGE === */
.level-section {
    margin-bottom: 2rem;
}

.level-header {
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.criteria-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.criteria-item code {
    color: var(--accent-dim);
    font-size: 0.8rem;
}

.criteria-item p {
    color: var(--fg);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.level-explanation {
    color: var(--warning);
    margin-bottom: 1rem;
}

/* === FOOTER === */
footer {
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
    text-align: center;
}

.footer-content pre {
    display: inline-block;
    text-align: left;
    color: var(--fg);
    font-size: 0.75rem;
}

.footer-simple {
    display: none;
    color: var(--fg);
    font-size: 0.8rem;
    line-height: 1.6;
}

.footer-simple a {
    color: var(--link);
}

/* === DIRECTORY LISTING === */
.directory-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.directory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--fg);
    gap: 1rem;
}
.directory-item:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.directory-item .item-name {
    font-size: 0.95rem;
    color: var(--fg-bright);
}
.directory-item:hover .item-name {
    color: var(--accent);
}

.directory-item .item-meta {
    font-size: 0.8rem;
    color: var(--fg);
    white-space: nowrap;
}

.directory-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.directory-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    padding: 0.5rem 1.25rem;
    cursor: pointer;
    text-decoration: none;
}
.directory-tab:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.directory-tab.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--surface);
}

.directory-count {
    color: var(--fg);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

/* === VERIFICATION PAGE === */
.verify-section {
    margin-bottom: 2rem;
}

.verify-section h2 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.verify-option {
    border: 1px solid var(--border);
    padding: 1.5rem;
    background: var(--surface);
    margin-bottom: 1rem;
}

.verify-option h3 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.verify-option p {
    color: var(--fg);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.verify-option .verify-detail {
    color: var(--fg);
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

.verify-option .verify-cta {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.verify-how-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
}

.verify-how-list li {
    padding: 0.4rem 0;
    color: var(--fg);
    font-size: 0.9rem;
    line-height: 1.5;
}

.verify-how-list li::before {
    content: "> ";
    color: var(--accent);
}

/* === RESPONSIVE === */

/* Tablet */
@media (max-width: 768px) {
    .ascii-logo {
        font-size: 0.55rem;
    }

    main {
        padding: 1.5rem 1rem;
    }

    .website-grid {
        grid-template-columns: 1fr;
    }

    .explainer {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .levels-preview pre {
        font-size: 0.65rem;
    }

    .footer-content pre {
        font-size: 0.6rem;
    }
}

/* Mobile - following Apple HIG (44px min touch) and Material Design (48dp) */
@media (max-width: 600px) {
    /* 16px base prevents iOS auto-zoom on input focus */
    html {
        font-size: 16px;
    }

    body {
        line-height: 1.7;
        -webkit-text-size-adjust: 100%;
    }

    header {
        padding: 0.75rem 1rem;
    }

    .nav-toggle {
        display: block;
        font-size: 1.4rem;
        padding: 0.5rem 0.75rem;
        min-height: 44px;
        min-width: 44px;
    }

    .logo {
        font-size: 1rem;
    }

    .nav-right {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding-top: 0.75rem;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
    }

    .nav-right.open {
        display: flex;
    }

    .nav-right a,
    .nav-right .theme-toggle {
        /* 48px min touch target */
        padding: 0.75rem 0.5rem;
        font-size: 1rem;
        border-bottom: 1px solid var(--border);
        display: block;
        text-align: left;
        width: 100%;
        min-height: 48px;
        line-height: 1.5;
    }

    .nav-right > :last-child {
        border-bottom: none;
    }

    nav {
        flex-wrap: wrap;
    }

    /* Hide ASCII art on mobile, show text title instead */
    .ascii-logo {
        font-size: 0.35rem;
        line-height: 1.1;
    }

    .hero {
        padding: 1rem 0;
    }

    .tagline {
        font-size: 1rem;
    }

    main {
        padding: 1.25rem 1rem;
    }

    /* Readable headings */
    .page-section h1 {
        font-size: 1.3rem;
        margin-bottom: 0.75rem;
    }

    .page-section h2 {
        font-size: 1.1rem;
    }

    /* Search bar - big enough to tap */
    .search-form {
        margin-bottom: 1.5rem;
    }

    .terminal-input {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    .terminal-input .prompt {
        font-size: 1rem;
    }

    .terminal-input input {
        font-size: 1rem;
        padding: 0.25rem 0;
        min-height: 44px;
    }

    .terminal-input button {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
        min-height: 44px;
    }

    /* Website detail */
    .website-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .level-badge {
        font-size: 1rem;
    }

    .domain {
        font-size: 1rem;
    }

    .submitted-by {
        font-size: 0.9rem;
    }

    .description {
        font-size: 1rem;
        padding: 1rem;
    }

    /* Auth forms */
    .auth-forms {
        flex-direction: column;
        gap: 2rem;
    }

    .auth-form {
        min-width: unset;
    }

    .divider {
        display: none;
    }

    /* Forms - big inputs for fat fingers */
    .ascii-form {
        max-width: 100%;
    }

    .form-field label {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .form-field input,
    .form-field textarea {
        font-size: 1rem;
        padding: 0.75rem;
        min-height: 48px;
        border-radius: 0;
        -webkit-appearance: none;
    }

    .form-field textarea {
        min-height: 100px;
    }

    .checkbox-field label {
        font-size: 1rem;
        gap: 0.75rem;
        min-height: 48px;
        padding: 0.5rem 0;
    }

    .checkbox-field input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }

    /* Buttons - full width, big touch target */
    .btn {
        font-size: 1rem;
        padding: 0.85rem 1.25rem;
        width: 100%;
        text-align: center;
        min-height: 48px;
    }

    /* Pre/code - readable on mobile */
    pre {
        font-size: 0.75rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .embed-section pre {
        font-size: 0.75rem;
        word-break: break-all;
        white-space: pre-wrap;
    }

    /* Payment */
    .payment-tab-bar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .payment-tab {
        text-align: center;
        font-size: 1rem;
        padding: 0.75rem 1rem;
        min-height: 48px;
    }

    .payment-method-content {
        padding: 1rem;
    }

    .chain-select {
        font-size: 1rem;
        padding: 0.75rem;
        min-height: 48px;
    }

    .payment-note {
        font-size: 0.9rem;
    }

    .payment-status {
        font-size: 1rem;
    }

    /* Footer */
    .footer-content pre {
        display: none;
    }

    .footer-simple {
        display: block;
        font-size: 0.9rem;
    }

    /* Levels preview - hide ASCII box on mobile, show text */
    .levels-preview pre {
        display: none;
    }

    .levels-preview-mobile {
        display: block;
    }

    .level-header {
        font-size: 0.85rem;
    }

    .criteria-item {
        padding: 0.75rem 0;
    }

    .criteria-item code {
        font-size: 0.85rem;
        word-break: break-all;
    }

    .criteria-item p {
        font-size: 0.95rem;
        margin-top: 0.25rem;
    }

    .criteria-level h3 {
        font-size: 1rem;
    }

    .level-explanation {
        font-size: 0.85rem;
        white-space: pre-wrap;
    }

    .token-display {
        padding: 0.75rem;
    }

    .token-display pre {
        font-size: 0.75rem;
        white-space: pre-wrap;
        word-break: break-all;
    }

    /* Explainer cards */
    .explainer-card {
        padding: 1.25rem;
    }

    .explainer-card h3 {
        font-size: 1.1rem;
    }

    .explainer-card p {
        font-size: 1rem;
        line-height: 1.6;
    }

    .explainer-card .explainer-cta {
        font-size: 1rem;
        display: block;
        text-align: center;
        padding: 0.75rem;
        border: 1px solid var(--accent);
        margin-top: 1rem;
        min-height: 48px;
        line-height: 1.5;
    }

    /* Results */
    .result-item {
        padding: 0.75rem 0;
        min-height: 48px;
    }

    .result-item pre {
        font-size: 0.9rem;
    }

    .result-count {
        font-size: 1rem;
    }

    /* Profile */
    .profile-header {
        font-size: 0.75rem;
    }

    /* Directory listing */
    .directory-item {
        padding: 1rem;
        min-height: 48px;
    }

    .directory-item .item-name {
        font-size: 1rem;
    }

    .directory-item .item-meta {
        font-size: 0.85rem;
    }

    .directory-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }

    .directory-tab {
        font-size: 1rem;
        padding: 0.75rem 1rem;
        min-height: 48px;
        text-align: center;
    }

    .directory-count {
        font-size: 1rem;
    }

    /* Verification page */
    .verify-option {
        padding: 1.25rem;
    }

    .verify-option h3 {
        font-size: 1.1rem;
    }

    .verify-option p {
        font-size: 1rem;
    }

    .verify-how-list li {
        font-size: 1rem;
        padding: 0.5rem 0;
    }

    /* Website cards */
    .website-card pre {
        font-size: 0.75rem;
    }

    /* Level sections on mobile */
    .level-section pre.level-header {
        font-size: 0.7rem;
        overflow-x: auto;
    }

    /* Success/error boxes */
    .error-box, .success-box {
        font-size: 0.8rem;
    }
}

/* Very small screens */
@media (max-width: 380px) {
    .ascii-logo {
        display: none;
    }

    html {
        font-size: 15px;
    }
}

/* Hidden on desktop, shown on mobile */
.levels-preview-mobile {
    display: none;
    font-size: 0.95rem;
    color: var(--fg);
    text-align: center;
    line-height: 1.8;
}