/* ============================================================
 * donate.css — Página pública de donaciones
 * G1 v1.2 — refactor de donate.php (Lote 16)
 *
 * Cromática: la página combina (a) tokens canónicos del sistema
 * (slate/blue/amber/red/teal/violet/pink), (b) hex semánticos
 * sin equivalente canónico exacto y (c) brand colors oficiales
 * de plataformas externas (GoFundMe, Migranodearena, Bizum).
 *
 * Patrón ya validado en login.css (los 4 colores Google) y
 * scientific-news.css (--amber, --evidence-high).
 * ============================================================ */

:root {
    /* ── Tier semánticos (Tailwind 500-tier sin equivalente canon) ── */
    --emerald-500:   #10b981;  /* impact-text icon */
    --emerald-900:   #065f46;  /* impact-text label */
    --bg-emerald-50: #f0fdf4;  /* impact-text background */

    /* ── Brand colors de plataformas externas (Material Design) ── */
    /* GoFundMe (Material Green 800/100/50) */
    --brand-gofundme-bg:        #e8f5e9;
    --brand-gofundme-bg-hover:  #c8e6c9;
    --brand-gofundme-text:      #2e7d32;

    /* Migranodearena (Material Blue 800/100/50) */
    --brand-migrano-bg:         #e3f2fd;
    --brand-migrano-bg-hover:   #bbdefb;
    --brand-migrano-text:       #1565c0;

    /* Bizum (cyan + azul oficial) */
    --brand-bizum-cyan:         #00c2ff;
    --brand-bizum-blue:         #0078d4;

    /* Transferencia bancaria (gradient mid stop) */
    --transfer-mid:             #1e3a5f;
}

body { background: var(--bg-body); }

/* ============================================================
 * 1. HERO
 * ============================================================ */
.donate-hero {
    position: relative;
    background: linear-gradient(135deg,
        var(--color-warning) 0%,
        var(--color-danger) 50%,
        var(--color-pink) 100%);
    padding: 100px 0 80px;
    overflow: hidden;
}
.donate-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}
.donate-hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
}
.donate-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}
.donate-hero .lead {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 750px;
    margin: 0 auto 30px;
}
.donate-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

/* ============================================================
 * 2. SECTION TITLES & PILLS (used everywhere)
 * ============================================================ */
.section-title-h2 {
    font-weight: 800;
    color: var(--text-primary);
}
.section-subtitle-p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}
.section-subtitle-p--small {
    font-size: 0.95rem;
}
.section-title-secondary {
    font-weight: 800;
    color: var(--text-primary);
    font-size: 1.5rem;
}
.section-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 15px;
}
.section-pill--patients {
    background: var(--color-danger-soft);
}
.section-pill--patients i,
.section-pill--patients span {
    color: var(--color-danger);
}
.section-pill--research {
    background: var(--bg-blue-soft);
}
.section-pill--research i,
.section-pill--research span {
    color: var(--color-blue-400);
}
.section-pill span {
    font-weight: 700;
    font-size: 0.9rem;
}

/* ============================================================
 * 3. HOW IT WORKS
 * ============================================================ */
.how-section {
    padding: 70px 0;
    background: var(--bg-card);
}
.how-card {
    text-align: center;
    padding: 25px 15px;
}
.how-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.8rem;
    color: white;
}
.how-icon--donate { background: linear-gradient(135deg, var(--color-warning), var(--color-danger)); }
.how-icon--review { background: linear-gradient(135deg, var(--color-teal), var(--color-cyan)); }
.how-icon--pay    { background: linear-gradient(135deg, var(--color-violet), var(--color-pink)); }
.how-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-slate-300);
    padding-top: 25px;
}
.how-card h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.05rem;
}
.how-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================================
 * 4. STRIPE SECTION (form + form fallback)
 * ============================================================ */
.stripe-section {
    padding: 80px 0;
    background: var(--bg-body);
}
.stripe-box {
    background: var(--bg-card);
    border-radius: 24px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    max-width: 550px;
    margin: 0 auto;
}
.stripe-header {
    background: linear-gradient(135deg,
        var(--text-primary),
        var(--color-slate-700));
    padding: 30px;
    color: white;
    text-align: center;
}
.stripe-header h3 {
    font-weight: 800;
    margin-bottom: 8px;
    font-size: 1.5rem;
}
.stripe-header p {
    opacity: 0.8;
    margin: 0;
    font-size: 0.95rem;
}
.stripe-body {
    padding: 35px;
}

/* Frequency toggle */
.freq-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}
.freq-btn {
    flex: 1;
    padding: 12px;
    border: none;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-card);
    color: var(--text-secondary);
}
.freq-btn.active {
    background: var(--color-warning);
    color: white;
}

/* Form labels */
.donor-input-label {
    font-weight: 600;
    color: var(--color-slate-600);
    font-size: 0.9rem;
    margin-bottom: 8px;
    display: block;
}
.donor-input-label--mb-10 {
    margin-bottom: 10px;
}

/* Amount selection */
.amount-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}
.amount-btn {
    padding: 14px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}
.amount-btn:hover {
    border-color: var(--color-warning);
    color: var(--color-warning);
}
.amount-btn.selected {
    border-color: var(--color-warning);
    background: var(--color-warning-soft);
    color: var(--color-warning);
}

/* Impact text */
.impact-text {
    display: none;
    padding: 10px 14px;
    background: var(--bg-emerald-50);
    border-radius: 10px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--emerald-900);
    text-align: center;
}
.impact-text--visible {
    display: block;
}
.impact-text i {
    color: var(--emerald-500);
}

/* Custom amount input */
.custom-amount-wrap {
    position: relative;
    margin-bottom: 25px;
}
.custom-amount-wrap input {
    width: 100%;
    padding: 14px 14px 14px 30px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s;
}
.custom-amount-wrap input:focus {
    border-color: var(--color-warning);
}
.custom-amount-wrap .currency-symbol {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tax calculator */
.tax-calc {
    background: var(--bg-blue-soft);
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 20px;
    display: none;
}
.tax-calc--visible {
    display: block;
}
.tax-calc__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.tax-calc__label {
    font-size: 0.8rem;
    color: var(--color-blue-400);
    font-weight: 600;
}
.tax-calc__sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}
.tax-calc__right {
    text-align: right;
}
.tax-calc__deduction-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}
.tax-calc__savings {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-blue-700);
}
.tax-calc__cost {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Stripe card element */
.stripe-card-element {
    padding: 14px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    min-height: 44px;
    transition: border-color 0.2s;
}
.stripe-card-element.focused {
    border-color: var(--color-warning);
}
.stripe-email {
    width: 100%;
    padding: 14px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    margin-bottom: 20px;
    transition: border-color 0.2s;
}
.stripe-email:focus {
    border-color: var(--color-warning);
}
.donor-anonymous-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Selected campaign label */
.selected-campaign-label {
    display: none;
    padding: 10px 14px;
    background: var(--color-warning-soft);
    border: 2px solid var(--color-warning);
    border-radius: 12px;
    margin-bottom: 15px;
    font-size: 0.9rem;
}
.selected-campaign-label--visible {
    display: block;
}
.selected-campaign-label i {
    color: var(--color-warning);
}
.clear-campaign-link {
    float: right;
    color: var(--color-slate-400);
    font-size: 0.8rem;
}

/* Card errors */
.card-errors {
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

/* Submit button */
.btn-stripe-pay {
    display: block;
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 14px;
    background: linear-gradient(135deg,
        var(--color-warning),
        var(--color-danger));
    color: white;
    font-weight: 700;
    font-size: 1.15rem;
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-stripe-pay:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(217, 119, 6, 0.4);
}
.btn-stripe-pay:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.stripe-secure {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Stripe not ready (fallback when $stripeEnabled = false) */
.stripe-not-ready {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
}
.stripe-not-ready__icon {
    font-size: 3rem;
    color: var(--color-slate-300);
    margin-bottom: 15px;
}
.stripe-not-ready__title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.stripe-not-ready__desc {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ============================================================
 * 5. PLATFORMS SECTION (Bizum, transfer, card)
 * ============================================================ */
.platforms-section {
    padding: 60px 0;
    background: var(--bg-card);
}
.platform-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-body);
    border-radius: 16px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}
.platform-card:hover {
    border-color: var(--color-teal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

/* Vertical variant (used in 3-column platforms grid) */
.platform-card--vertical {
    flex-direction: column;
    text-align: center;
    padding: 25px 20px;
}

.platform-icon {
    width: 55px;
    height: 55px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}
.platform-icon--mb {
    margin-bottom: 12px;
}
.platform-icon--card     { background: linear-gradient(135deg, var(--color-warning), var(--color-danger)); }
.platform-icon--bizum    { background: linear-gradient(135deg, var(--brand-bizum-cyan), var(--brand-bizum-blue)); }
.platform-icon--transfer { background: linear-gradient(135deg, var(--transfer-mid), var(--color-teal)); }

.platform-info h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 1.05rem;
}
.platform-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
    line-height: 1.5;
}
.platform-card--vertical h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-size: 1rem;
}
.platform-card--vertical p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 10px;
}
.platform-card--vertical .donate-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--color-warning);
}
.platform-card--vertical .bizum-amount {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--brand-bizum-blue);
}
.platform-card--vertical .iban-pending {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--transfer-mid);
}

.platform-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: gap 0.2s;
}
.platform-link:hover {
    gap: 10px;
}

/* ============================================================
 * 6. CAMPAIGNS SECTION (patient + research)
 * ============================================================ */
.campaigns-section {
    padding: 80px 0;
    background: var(--bg-body);
}
.campaigns-section--white {
    background: var(--bg-card);
}
.campaign-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.campaign-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
}
.campaign-banner {
    padding: 20px 25px;
    color: white;
    position: relative;
    overflow: hidden;
    /* `background` is set inline because it's data-driven from $campaign['color'] */
}
.campaign-banner::after {
    content: "";
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}
.campaign-urgent {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.campaign-banner h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 10px 0 0;
}
.campaign-body {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.campaign-patient {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}
.campaign-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
    overflow: hidden;
    /* `background` set inline (data-driven $campaign['color']) */
}
.campaign-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.campaign-patient-info h5 {
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    font-size: 0.95rem;
}
.campaign-patient-info span {
    color: var(--text-secondary);
    font-size: 0.8rem;
}
.campaign-mutation {
    display: inline-flex;
    padding: 3px 10px;
    border-radius: 8px;
    background: var(--bg-subtle);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: monospace;
    margin-bottom: 12px;
}
.campaign-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
}
.campaign-progress {
    margin-bottom: 15px;
}
.progress-bar-bg {
    height: 10px;
    background: var(--bg-subtle);
    border-radius: 10px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    border-radius: 10px;
    transition: width 1s ease;
    /* `background` and `width` set inline (data-driven) */
}
.progress-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.85rem;
}
.progress-raised {
    font-weight: 700;
    color: var(--text-primary);
}
.progress-goal {
    color: var(--text-secondary);
}
.campaign-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.btn-campaign-donate {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    color: white;
    /* `background` set inline (data-driven $campaign['color']) */
}
.btn-campaign-donate:hover {
    transform: translateY(-2px);
    color: white;
}
.btn-campaign-story {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-card);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s;
    text-align: center;
}
.btn-campaign-story:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* External platform mini-buttons inside campaign card */
.external-platforms-row {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.external-platform-link {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    text-decoration: none;
    transition: background 0.2s;
}
.external-platform-link--gofundme {
    background: var(--brand-gofundme-bg);
    color: var(--brand-gofundme-text);
}
.external-platform-link--gofundme:hover {
    background: var(--brand-gofundme-bg-hover);
    color: var(--brand-gofundme-text);
}
.external-platform-link--migrano {
    background: var(--brand-migrano-bg);
    color: var(--brand-migrano-text);
}
.external-platform-link--migrano:hover {
    background: var(--brand-migrano-bg-hover);
    color: var(--brand-migrano-text);
}

/* Placeholder card for "are you a patient?" CTA */
.campaign-card--placeholder {
    border: 2px dashed var(--color-slate-300);
    box-shadow: none;
    background: var(--color-slate-50);
}
.campaign-placeholder-body {
    padding: 60px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.campaign-placeholder-icon-wrap {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--color-danger-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.campaign-placeholder-icon-wrap i {
    font-size: 1.5rem;
    color: var(--color-danger);
}
.campaign-placeholder-body h4 {
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.campaign-placeholder-body p {
    color: var(--color-slate-400);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}
.campaign-placeholder-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 2px solid var(--color-slate-300);
    border-radius: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
}

/* ============================================================
 * 7. TRANSPARENCY SECTION
 * ============================================================ */
.transparency-section {
    padding: 70px 0;
    background: var(--bg-card);
}
.transparency-card {
    background: var(--bg-body);
    border-radius: 18px;
    padding: 30px;
    text-align: center;
    height: 100%;
}
.transparency-card i {
    font-size: 2.2rem;
    margin-bottom: 15px;
}
.transparency-card h4 {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.05rem;
}
.transparency-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.92rem;
}

/* ============================================================
 * 8. TAX SECTION
 * ============================================================ */
.tax-section {
    padding: 60px 0;
    background: linear-gradient(135deg,
        var(--bg-blue-soft),
        var(--bg-emerald-50));
}
.tax-box {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 35px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}
.tax-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 14px 0;
    border-bottom: 1px solid var(--bg-subtle);
}
.tax-item:last-child {
    border-bottom: none;
}
.tax-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

/* ============================================================
 * 9. CTA FOOTER (banda oscura)
 * ============================================================ */
.donate-cta {
    padding: 80px 0;
    background: linear-gradient(135deg,
        var(--text-primary) 0%,
        var(--color-slate-700) 100%);
    color: white;
    text-align: center;
}
.donate-cta h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 15px;
}
.donate-cta p {
    font-size: 1.15rem;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* ============================================================
 * 10. RESPONSIVE
 * ============================================================ */
@media (max-width: 768px) {
    .donate-hero { padding: 80px 0 60px; }
    .donate-hero h1 { font-size: 2.2rem; }
    .how-arrow { transform: rotate(90deg); padding: 10px 0; }
    .amount-grid { grid-template-columns: repeat(2, 1fr); }
    .platform-card { flex-direction: column; text-align: center; }
    .donate-cta h2 { font-size: 1.8rem; }
}