/* ============================================
   AIFDS Validator
   Matches aifds.org design system
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #D4563A;
    --color-primary-light: #E8795F;
    --color-primary-dark: #B8432A;
    --color-beige: #F5EDE4;
    --color-beige-dark: #E8DDD1;
    --color-white: #FAF8F6;
    --color-white-pure: #FFFFFF;
    --color-text: #2D2A26;
    --color-text-light: #6B6560;
    --color-text-muted: #9B9490;
    --color-border: #E0D8D0;
    --color-code-bg: #2D2A26;
    --color-code-text: #F5EDE4;
    --color-success: #2a6a2a;
    --color-success-bg: #f0faf0;
    --color-success-border: #b8d8b8;
    --color-error: #8b3a3a;
    --color-error-bg: #fff0f0;
    --color-error-border: #e8c4c4;
    --color-warn: #8a6d00;
    --color-warn-bg: #fff8e6;
    --color-warn-border: #e8dbb0;
    --color-info: #3a5a8b;
    --color-info-bg: #f0f4ff;
    --color-info-border: #c4d4e8;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    --max-width: 900px;
    --radius: 8px;
    --radius-lg: 12px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* --- Layout --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* --- Header --- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header__logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--color-text);
    letter-spacing: -0.5px;
}

.header__logo span:first-child {
    color: var(--color-primary);
}

.header__tool {
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-left: 0.15rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav__link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.nav__link:hover {
    color: var(--color-text);
    background-color: var(--color-beige);
}

/* --- Main content --- */
main {
    padding: 2.5rem 0;
    min-height: calc(100vh - 64px - 80px);
}

/* --- Form --- */
.validate-form {
    max-width: 600px;
}

.validate-form label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.validate-form input[type="text"] {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1.05rem;
    font-family: var(--font-body);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    background: var(--color-white-pure);
    color: var(--color-text);
}

.validate-form input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(212, 86, 58, 0.12);
}

.validate-form button {
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-body);
    color: var(--color-white);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.validate-form button:hover {
    background: var(--color-primary-dark);
}

.validate-form button:active {
    transform: scale(0.98);
}

/* --- Error --- */
.error-message {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error-border);
    color: var(--color-error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

/* --- Warnings --- */
.warnings {
    margin-bottom: 1.25rem;
}

.warning-message {
    background: var(--color-warn-bg);
    border: 1px solid var(--color-warn-border);
    color: var(--color-warn);
    padding: 0.65rem 1rem;
    border-radius: var(--radius);
    font-size: 0.88rem;
    margin-bottom: 0.5rem;
}

/* --- Select step (button flow) --- */
.select-step {
    max-width: 600px;
}

.select-step h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.select-btn {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-white-pure);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.select-btn:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Button color palette — forces users to scan each option */
.select-btn--0 { border-left-color: #D4563A; background: #fdf5f3; }
.select-btn--0:hover { border-color: #D4563A; background: #faeee9; }

.select-btn--1 { border-left-color: #2A7B5B; background: #f2faf6; }
.select-btn--1:hover { border-color: #2A7B5B; background: #e5f5ed; }

.select-btn--2 { border-left-color: #3A6B9B; background: #f2f6fb; }
.select-btn--2:hover { border-color: #3A6B9B; background: #e5eef7; }

.select-btn--3 { border-left-color: #9B6B3A; background: #faf6f0; }
.select-btn--3:hover { border-color: #9B6B3A; background: #f5ede0; }

.select-btn--4 { border-left-color: #7B3A7B; background: #faf2fa; }
.select-btn--4:hover { border-color: #7B3A7B; background: #f5e5f5; }

.select-btn--5 { border-left-color: #5B8A3A; background: #f5faf0; }
.select-btn--5:hover { border-color: #5B8A3A; background: #eaf5e0; }

.select-btn--6 { border-left-color: #3A8B8B; background: #f0fafa; }
.select-btn--6:hover { border-color: #3A8B8B; background: #e0f5f5; }

.select-btn--7 { border-left-color: #8B5A5A; background: #faf2f2; }
.select-btn--7:hover { border-color: #8B5A5A; background: #f5e5e5; }

/* --- Report header --- */
.report-header {
    margin-bottom: 1.5rem;
}

.version-line {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.checked-url {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 0.35rem;
    word-break: break-all;
    color: var(--color-text);
}

.subtype-label {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

/* --- Scorecard --- */
.scorecard {
    background: var(--color-white-pure);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
}

.scorecard-item {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.75;
}

.scorecard-number {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text);
}

.scorecard-alert {
    color: var(--color-error);
    font-weight: 600;
}

.scorecard-warn {
    color: var(--color-warn);
    font-weight: 600;
}

/* --- Report sections --- */
.report-section {
    margin-bottom: 2.5rem;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-border);
}

.section-attention {
    color: var(--color-error);
    border-bottom-color: var(--color-error-border);
}

.section-passing {
    color: var(--color-success);
    border-bottom-color: var(--color-success-border);
}

.section-recommended {
    color: var(--color-warn);
    border-bottom-color: var(--color-warn-border);
}

/* --- Schema groups --- */
.schema-group {
    margin-bottom: 1.5rem;
}

.schema-group h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0;
    padding: 0.4rem 0;
}

.schema-group table {
    width: 100%;
    border-collapse: collapse;
}

.schema-group tr {
    border-bottom: 1px solid var(--color-beige-dark);
}

.schema-group td {
    padding: 0.6rem 0.5rem;
    vertical-align: top;
}

.status-icon {
    width: 2rem;
    text-align: center;
    font-size: 1rem;
}

.field-name {
    width: 12rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text);
    font-weight: 500;
}

/* --- Action item rows --- */
.field-info {
    font-size: 0.9rem;
}

.what-for {
    display: block;
    color: var(--color-text);
}

.why-ai {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.83rem;
    margin-top: 0.15rem;
}

.field-note {
    display: block;
    font-size: 0.82rem;
    margin-top: 0.3rem;
    padding: 0.35rem 0.6rem;
    border-radius: 4px;
}

.incomplete-note {
    background: var(--color-warn-bg);
    color: var(--color-warn);
    border: 1px solid var(--color-warn-border);
}

.conditional-note {
    background: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

/* --- Status row tinting --- */
.status-no .field-name {
    color: var(--color-error);
}

/* --- Passing rows --- */
.passing-group tr {
    border-bottom: 1px solid var(--color-beige);
}

.passing-group .field-name {
    color: var(--color-text-light);
}

.field-value {
    font-size: 0.88rem;
}

.found-value {
    color: var(--color-text-light);
    font-size: 0.85rem;
}

/* --- Missing / recommended type blocks --- */
.missing-type-block {
    margin-bottom: 1.5rem;
}

.missing-type-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.4rem 0;
}

.missing-type-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
}

.missing-type-count {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.missing-type-guidance {
    font-size: 0.85rem;
    color: var(--color-warn);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.missing-fields-table {
    width: 100%;
    border-collapse: collapse;
}

.missing-fields-table tr {
    border-bottom: 1px solid var(--color-beige);
}

.missing-fields-table td {
    padding: 0.4rem 0.5rem;
    vertical-align: top;
}

.missing-field-name {
    width: 12rem;
    font-family: var(--font-mono);
    font-size: 0.83rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.missing-field-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.missing-field-optional {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* --- Hard truth --- */
.hard-truth {
    margin-top: 2rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    color: var(--color-success);
    line-height: 1.65;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    text-decoration: none;
}

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

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

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

/* --- Check another --- */
.check-another-btn {
    margin-bottom: 1.5rem;
}

/* --- Footer --- */
.footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
}

.footer__text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.footer__text a {
    color: var(--color-text-muted);
}

.footer__text a:hover {
    color: var(--color-primary);
}

/* --- Responsive --- */
@media (max-width: 600px) {
    main {
        padding: 1.5rem 0;
    }

    .field-name {
        width: auto;
        display: block;
        margin-bottom: 0.2rem;
    }

    .schema-group td {
        display: block;
        padding: 0.3rem 0;
    }

    .schema-group tr {
        display: block;
        padding: 0.6rem 0;
    }

    .status-icon {
        display: inline;
        width: auto;
    }

    .missing-type-header {
        flex-direction: column;
        gap: 0.25rem;
    }

    .missing-type-name {
        min-width: auto;
    }

    .missing-field-name {
        width: auto;
        display: block;
    }

    .missing-fields-table td {
        display: block;
        padding: 0.2rem 0.5rem;
    }

    .missing-fields-table tr {
        display: block;
        padding: 0.4rem 0;
    }
}