/* ==========================================================================
   Hackatón Ñe'ētech 2026 — design tokens + layout + components
   ========================================================================== */

:root {
    /* Brand */
    --c-primary: #44B9BF;
    --c-primary-dark: #2c9aa0;
    --c-dark: #0D2424;
    /* Accessible link color — min 4.5:1 on white and on --c-info-bg (#ecfeff) */
    --c-link: #1a6b70;
    --c-accent-lime: #B1F750;

    /* Neutrals */
    --c-bg: #fafafa;
    --c-surface: #ffffff;
    --c-text: #0D2424;
    --c-text-muted: #64748b;
    --c-border: #e2e8f0;
    --c-border-strong: #cbd5e1;

    /* Feedback */
    --c-error: #dc2626;
    --c-error-bg: #fef2f2;
    --c-error-border: #fecaca;
    --c-success: #16a34a;
    --c-success-bg: #ecfdf5;
    --c-success-border: #86efac;
    --c-warning-bg: #FEF3C7;
    --c-warning-border: #F59E0B;
    --c-warning-text: #78350F;
    --c-info-bg: #ECFEFF;
    --c-primary-light: #7DD3D9;

    /* Spacing */
    --s-1: 4px;
    --s-2: 8px;
    --s-3: 12px;
    --s-4: 16px;
    --s-5: 24px;
    --s-6: 32px;
    --s-7: 48px;
    --s-8: 64px;

    /* Type */
    --f-stack: -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", Roboto, sans-serif;
    --f-size-base: 16px;
    --f-size-sm: 13px;
    --f-size-xs: 11px;

    /* Radii / shadows */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(13, 36, 36, 0.04);
    --shadow-md: 0 4px 12px rgba(13, 36, 36, 0.08);
}

* { box-sizing: border-box; }
html { font-size: 100%; }
body {
    margin: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--f-stack);
    font-size: var(--f-size-base);
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

/* --c-link (#1a6b70) achieves ≥4.5:1 on white and on --c-info-bg (#ecfeff). */
a { color: var(--c-link); }
a:hover { color: var(--c-dark); }

/* ----- Hero ------------------------------------------------------------ */
.site-hero {
    background: var(--c-dark);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(68,185,191,0.55) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(68,185,191,0.25) 0%, transparent 50%);
    color: white;
    padding: var(--s-6) var(--s-4);
    position: relative;
    overflow: hidden;
}
.site-hero--muted { opacity: 0.85; }
.hero-inner {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
}
.hero-iso {
    position: absolute;
    right: -30px; top: -30px;
    width: 180px; height: auto;
    opacity: 0.18;
    pointer-events: none;
}
.site-hero h1 {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 900;
    margin: 0 0 var(--s-2) 0;
    letter-spacing: -0.5px;
}
.site-hero h1 .accent { color: var(--c-primary); }
.hero-sub { color: rgba(255,255,255,0.75); margin: 0; font-size: 14px; }
.hero-meta { margin-top: var(--s-3); display: flex; gap: var(--s-2); flex-wrap: wrap; }
.chip {
    display: inline-flex;
    align-items: center;
    background: rgba(68,185,191,0.15);
    border: 1px solid rgba(68,185,191,0.4);
    color: var(--c-primary-light);
    padding: 4px 10px;
    border-radius: var(--r-lg);
    font-size: var(--f-size-xs);
    font-weight: 600;
}
.chip--urgent {
    background: rgba(255,200,87,0.15);
    border-color: rgba(255,200,87,0.4);
    color: #FFD580;
}

/* ----- Form layout ---------------------------------------------------- */
.form-wrap {
    max-width: 720px;
    margin: var(--s-5) auto;
    padding: 0 var(--s-4) var(--s-7);
}

.progress {
    list-style: none;
    margin: 0 0 var(--s-4);
    padding: 0;
    display: flex;
    gap: 4px;
}
.progress li {
    flex: 1;
    height: 4px;
    background: var(--c-border);
    border-radius: 2px;
    transition: background 200ms;
}
.progress li.done { background: var(--c-primary); }
.progress li.active { background: var(--c-dark); }

/* ----- Accordion sections --------------------------------------------- */
.accordion-section {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    margin-bottom: var(--s-3);
    overflow: hidden;
    transition: box-shadow 200ms;
}
.accordion-section.open { box-shadow: var(--shadow-md); }

.accordion-header {
    width: 100%;
    background: none;
    border: 0;
    padding: var(--s-4);
    display: flex;
    align-items: center;
    gap: var(--s-3);
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
}
.accordion-header:focus-visible {
    outline: 2px solid var(--c-primary);
    outline-offset: -2px;
}
.accordion-header .num {
    width: 28px; height: 28px;
    background: var(--c-border-strong);
    color: white;
    border-radius: 50%;
    display: inline-flex;
    align-items: center; justify-content: center;
    font-weight: 800; font-size: 13px;
    flex-shrink: 0;
}
.accordion-section.open .accordion-header .num,
.accordion-section.completed .accordion-header .num {
    background: var(--c-primary);
}
.accordion-header .title { font-weight: 700; flex: 1; }
.accordion-header .check { color: var(--c-success); font-weight: 700; }

.accordion-body {
    padding: 0 var(--s-4) var(--s-4);
    border-top: 1px solid var(--c-border);
    padding-top: var(--s-4);
}

/* ----- Fields --------------------------------------------------------- */
.field {
    display: block;
    margin-bottom: var(--s-3);
}
.field > span {
    display: block;
    font-size: var(--f-size-sm);
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 4px;
}
.field input:not([type="checkbox"]):not([type="radio"]),
.field textarea,
.field select {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-family: inherit;
    font-size: 16px; /* prevent iOS zoom on focus */
    color: var(--c-text);
    transition: border-color 150ms, box-shadow 150ms;
}
.field input:focus:not([type="checkbox"]):not([type="radio"]),
.field textarea:focus,
.field select:focus {
    outline: none;
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(68,185,191,0.18);
}
.field textarea { min-height: 80px; resize: vertical; }
.field .err {
    display: block;
    color: var(--c-error);
    font-size: var(--f-size-xs);
    margin-top: 4px;
}
.field input[aria-invalid="true"] { border-color: var(--c-error); background: var(--c-error-bg); }

/* Checkbox / radio inline layout — used for is_minor + terms checkboxes. */
.field--checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--s-2);
    cursor: pointer;
}
.field--checkbox > input[type="checkbox"],
.field--checkbox > input[type="radio"] {
    width: 20px;
    height: 20px;
    min-height: 0;
    margin: 2px 0 0; /* align with first line of label text */
    accent-color: var(--c-primary);
    flex-shrink: 0;
    cursor: pointer;
}
.field--checkbox > span {
    display: inline;
    margin-bottom: 0;
    font-weight: 500;
    line-height: 1.4;
}

/* ----- Member cards --------------------------------------------------- */
.member-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--s-4);
    margin-bottom: var(--s-3);
    position: relative;
}
.member-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--s-3);
}
.member-card-header h3 { margin: 0; font-size: 14px; }
/* Dark text on teal: #0D2424 on #44B9BF = 6.9:1 (WCAG AA). */
.leader-badge {
    background: var(--c-primary); color: var(--c-dark);
    padding: 2px 8px; border-radius: var(--r-lg);
    font-size: 10px; font-weight: 700; letter-spacing: 0.5px;
}
.btn-remove-member {
    background: none; border: 0; color: var(--c-error);
    cursor: pointer; font-size: 13px;
    padding: 4px 8px;
}

/* ----- Role-coverage panel -------------------------------------------- */
.role-coverage {
    margin-top: var(--s-4);
    padding: var(--s-3);
    background: var(--c-bg);
    border-radius: var(--r-md);
    border: 1px solid var(--c-border);
}
.role-coverage h4 { margin: 0 0 var(--s-2); font-size: 13px; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.role-coverage ul { list-style: none; padding: 0; margin: 0; display: flex; gap: var(--s-2); flex-wrap: wrap; }
.role-coverage .role-chip {
    padding: 4px 10px; border-radius: var(--r-lg);
    font-size: 12px; font-weight: 600;
    border: 1px solid var(--c-border);
}
.role-coverage .role-chip.covered { background: var(--c-success-bg); color: var(--c-success); border-color: var(--c-success-border); }
.role-coverage .role-chip.missing { background: var(--c-error-bg); color: var(--c-error); border-color: var(--c-error-border); }

/* ----- Buttons -------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s-2);
    padding: 12px 20px;
    border-radius: var(--r-sm);
    font-size: 15px; font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    min-height: 44px;
    transition: background 150ms;
}
/* Dark text on teal: #0D2424 on #44B9BF = 6.9:1 (WCAG AA). */
/* Dark text on hover #2c9aa0 = 4.82:1 — also passes. */
.btn-primary {
    background: var(--c-primary);
    color: var(--c-dark);
}
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-primary:disabled { background: var(--c-border-strong); cursor: not-allowed; }

/* --c-link (#1a6b70) on white = 6.21:1 (WCAG AA). */
.btn-outline {
    background: transparent;
    border-color: var(--c-primary);
    color: var(--c-link);
}

.btn-submit { width: 100%; justify-content: center; }

/* Sticky bottom button on mobile */
@media (max-width: 640px) {
    .accordion-body .btn-primary {
        position: sticky;
        bottom: var(--s-3);
        z-index: 5;
        box-shadow: 0 4px 12px rgba(13, 36, 36, 0.15);
    }
}

/* ----- Callouts ------------------------------------------------------- */
.callout {
    background: var(--c-info-bg);
    border: 1px solid var(--c-primary);
    border-left-width: 4px;
    border-radius: var(--r-sm);
    padding: var(--s-3);
    margin: var(--s-3) 0;
    font-size: 14px;
}
.callout--minor {
    background: var(--c-warning-bg);
    border-color: var(--c-warning-border);
    color: var(--c-warning-text);
}

/* ----- Form-level error summary --------------------------------------- */
.form-errors {
    background: var(--c-error-bg);
    border: 1px solid var(--c-error);
    border-left-width: 4px;
    color: var(--c-error);
    border-radius: var(--r-sm);
    padding: var(--s-3) var(--s-4);
    margin: 0 0 var(--s-4);
}
.form-errors strong { display: block; margin-bottom: var(--s-2); }
.form-errors ul { margin: 0; padding-left: var(--s-4); }

/* ----- Closed / Thank-you cards --------------------------------------- */
.closed-card,
.thanks-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--s-5);
    margin-top: var(--s-4);
}
.closed-card h2 { margin-top: 0; color: var(--c-error); }

/* ----- Footer --------------------------------------------------------- */
.site-footer {
    background: var(--c-dark);
    color: rgba(255,255,255,0.75);
    padding: var(--s-4);
    margin-top: var(--s-7);
}
.footer-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s-3);
    flex-wrap: wrap;
    font-size: 12px;
}
.footer-credits { display: flex; align-items: center; gap: var(--s-2); flex-wrap: wrap; }
.credit-label { color: rgba(255,255,255,0.55); font-size: 11px; }
.credit-logo {
    height: 36px;
    width: auto;
    max-width: 130px;
    object-fit: contain;
    background: white;
    padding: 6px 10px;
    border-radius: var(--r-sm);
}

/* ----- Honeypot ------------------------------------------------------- */
/* Visually hidden but not display:none (some bots skip those) */
input[name="website"] {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important; height: 1px !important;
    opacity: 0 !important;
}

/* ----- Reduced motion ------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ----- v3: banner hero, docs block, a11y utility -------------------- */
.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;
}

.site-hero--banner { padding: var(--s-4) var(--s-4) var(--s-5); }
.hero-banner {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
}
.site-hero--banner .hero-meta { justify-content: center; margin-top: var(--s-4); }

.docs-wrap {
    max-width: 720px;
    margin: var(--s-5) auto 0;
    padding: 0 var(--s-4);
}
.docs-block {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-5);
    box-shadow: var(--shadow-sm);
}
.docs-block-title {
    margin: 0 0 var(--s-1);
    font-size: 18px;
    font-weight: 800;
    color: var(--c-text);
}
.docs-block-sub {
    margin: 0 0 var(--s-4);
    font-size: var(--f-size-sm);
    color: var(--c-text-muted);
}
.doc-cards {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--s-3);
}
.doc-card a {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    height: 100%;
    padding: var(--s-3) var(--s-4);
    border: 1px solid var(--c-border-strong);
    border-radius: var(--r-md);
    text-decoration: none;
    color: var(--c-text);
    background: var(--c-bg);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.doc-card a:hover,
.doc-card a:focus-visible {
    border-color: var(--c-primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}
.doc-card-icon {
    flex: 0 0 auto;
    width: 28px; height: 28px;
    color: var(--c-primary-dark);
}
.doc-card-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.doc-card-name { font-weight: 700; font-size: var(--f-size-sm); }
.doc-card-meta { font-size: var(--f-size-xs); color: var(--c-text-muted); }
.doc-badge {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 6px;
    border-radius: var(--r-sm);
    background: var(--c-accent-lime);
    color: var(--c-dark);
    font-size: var(--f-size-xs);
    font-weight: 800;
    vertical-align: middle;
}
.doc-card--minor a { border-style: dashed; }

/* ----- v3: registration type selector + conditional blocks --------- */
[x-cloak] { display: none !important; }

.type-selector {
    max-width: 720px;
    margin: var(--s-5) auto 0;
    padding: 0 var(--s-4);
}
.type-selector-title {
    font-size: 16px;
    font-weight: 800;
    margin: 0 0 var(--s-3);
    color: var(--c-text);
}
.type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--s-3);
}
.type-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--s-4);
    border: 2px solid var(--c-border-strong);
    border-radius: var(--r-md);
    background: var(--c-surface);
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.type-card:hover { border-color: var(--c-primary); }
.type-card.selected {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(68, 185, 191, 0.18);
}
.type-card input { position: absolute; opacity: 0; width: 0; height: 0; }
.type-card-label { font-weight: 700; font-size: var(--f-size-base); color: var(--c-text); }
.type-card-desc { font-size: var(--f-size-sm); color: var(--c-text-muted); }
.type-card-new {
    display: inline-block;
    margin-left: 6px;
    padding: 1px 6px;
    border-radius: var(--r-sm);
    background: var(--c-accent-lime);
    color: var(--c-dark);
    font-size: var(--f-size-xs);
    font-weight: 800;
}

.conditional-block {
    margin: var(--s-4) 0;
    padding: var(--s-4);
    border: 1px solid var(--c-border);
    border-left: 3px solid var(--c-primary);
    border-radius: var(--r-md);
    background: var(--c-bg);
}
.conditional-block-title {
    margin: 0 0 var(--s-3);
    font-size: var(--f-size-base);
    font-weight: 700;
}
.callout--warning {
    background: var(--c-warning-bg);
    border: 1px solid var(--c-warning-border);
    color: var(--c-warning-text);
    padding: var(--s-4);
    border-radius: var(--r-md);
    margin: var(--s-3) 0;
}
.hint { display: block; margin-top: 4px; font-size: var(--f-size-xs); color: var(--c-text-muted); }

/* ----- v3: admin panel -------------------------------------------- */
.admin-bar {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    background: var(--c-dark);
    color: #fff;
    padding: var(--s-3) var(--s-4);
}
.admin-bar-spacer { flex: 1 1 auto; }
.admin-wrap {
    max-width: 860px;
    margin: var(--s-5) auto;
    padding: 0 var(--s-4) var(--s-7);
}
.admin-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--s-5);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--s-4);
}
.admin-card--narrow { max-width: 420px; margin: var(--s-7) auto; }
.admin-card h1 { margin-top: 0; font-size: 20px; }
.admin-card h2 { margin-top: 0; font-size: 16px; }
.admin-flash {
    max-width: 860px;
    margin: 0 auto var(--s-4);
    background: var(--c-success-bg);
    border: 1px solid var(--c-success-border);
    color: var(--c-success);
    padding: var(--s-3) var(--s-4);
    border-radius: var(--r-md);
    font-weight: 600;
}
.role-counts {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-4);
}
.role-counts li {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-weight: 600;
    color: var(--c-text-muted);
}
.role-counts-num {
    font-size: 28px;
    font-weight: 900;
    color: var(--c-primary-dark);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--f-size-sm);
}
.admin-table th, .admin-table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--c-border);
}
.admin-table th { color: var(--c-text-muted); font-weight: 700; }
.btn-sm { padding: 4px 10px; font-size: var(--f-size-sm); }