/* Shared Fund / Confirm / Demo checkout — Stripe-inspired light payment sheet */

:root {
    --ck-bg: #f4f6f8;
    --ck-bg-accent: #e8eef2;
    --ck-surface: #ffffff;
    --ck-ink: #0f172a;
    --ck-muted: #64748b;
    --ck-line: #e2e8f0;
    --ck-teal: #0d9488;
    --ck-teal-dark: #0f766e;
    --ck-teal-soft: #ccfbf1;
    --ck-warn: #b45309;
    --ck-warn-bg: #fffbeb;
    --ck-danger: #be123c;
    --ck-danger-bg: #fff1f2;
    --ck-ok: #047857;
    --ck-ok-bg: #ecfdf5;
    --ck-radius: 12px;
    --ck-radius-lg: 16px;
    --ck-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
    --ck-font: "DM Sans", system-ui, -apple-system, sans-serif;
    --ck-mono: "JetBrains Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

.ck-body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--ck-font);
    color: var(--ck-ink);
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(13, 148, 136, 0.08), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(30, 58, 95, 0.06), transparent 50%),
        var(--ck-bg);
    -webkit-font-smoothing: antialiased;
}

.ck-top {
    border-bottom: 1px solid var(--ck-line);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.ck-top-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.ck-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: var(--ck-ink);
    font-weight: 700;
}

.ck-brand-mark {
    width: 2rem;
    height: 2rem;
    border-radius: 0.55rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--ck-teal), #115e59);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
}

.ck-brand-name {
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.ck-top-secure {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ck-muted);
}

.ck-main {
    flex: 1;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 1.75rem 1.25rem 2.5rem;
}

.ck-foot {
    text-align: center;
    padding: 1.25rem 1rem 2rem;
    color: var(--ck-muted);
    font-size: 0.8rem;
}

.ck-foot p {
    margin: 0 0 0.4rem;
}

.ck-foot-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.ck-foot-links a {
    color: var(--ck-muted);
    text-decoration: none;
}

.ck-foot-links a:hover {
    color: var(--ck-teal);
}

/* Layout: payment + summary */
.ck-grid {
    display: grid;
    gap: 1.5rem;
    align-items: start;
}

@media (min-width: 880px) {
    .ck-grid {
        grid-template-columns: 1.35fr 0.9fr;
        gap: 1.75rem;
    }

    .ck-grid-reverse {
        grid-template-columns: 0.9fr 1.35fr;
    }

    .ck-grid-reverse .ck-summary {
        order: -1;
    }
}

.ck-panel {
    background: var(--ck-surface);
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow);
    overflow: hidden;
}

.ck-panel-body {
    padding: 1.5rem 1.4rem 1.6rem;
}

@media (min-width: 600px) {
    .ck-panel-body {
        padding: 1.75rem 1.75rem 1.85rem;
    }
}

.ck-kicker {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ck-teal);
}

.ck-title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.45rem, 3vw, 1.75rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.ck-lead {
    margin: 0 0 1.35rem;
    color: var(--ck-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.ck-steps {
    display: flex;
    gap: 0.5rem;
    margin: 0 0 1.35rem;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

.ck-step {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ck-muted);
    background: var(--ck-bg);
    border: 1px solid var(--ck-line);
    border-radius: 999px;
    padding: 0.3rem 0.7rem;
}

.ck-step.is-active {
    color: var(--ck-teal-dark);
    background: var(--ck-teal-soft);
    border-color: transparent;
}

.ck-step.is-done {
    color: var(--ck-ok);
    background: var(--ck-ok-bg);
    border-color: transparent;
}

.ck-step-num {
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68rem;
    background: rgba(15, 23, 42, 0.08);
}

.ck-step.is-active .ck-step-num {
    background: var(--ck-teal);
    color: #fff;
}

.ck-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ck-warn);
    background: var(--ck-warn-bg);
    border: 1px solid #fde68a;
    border-radius: 999px;
    padding: 0.3rem 0.65rem;
    margin: 0 0 1rem;
}

.ck-summary {
    background: var(--ck-surface);
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius-lg);
    box-shadow: var(--ck-shadow);
    padding: 1.35rem 1.4rem;
}

.ck-summary h2 {
    margin: 0 0 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ck-muted);
}

.ck-summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.45rem 0;
    font-size: 0.92rem;
}

.ck-summary-row span:first-child {
    color: var(--ck-muted);
}

.ck-summary-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--ck-line);
    font-weight: 700;
    font-size: 1.15rem;
}

.ck-summary-note {
    margin: 1rem 0 0;
    font-size: 0.8rem;
    color: var(--ck-muted);
    line-height: 1.45;
}

.ck-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ck-ink);
    margin-bottom: 0.4rem;
}

.ck-input {
    width: 100%;
    border: 1px solid var(--ck-line);
    border-radius: 10px;
    padding: 0.8rem 0.9rem;
    font: inherit;
    font-size: 0.95rem;
    color: var(--ck-ink);
    background: #fff;
    margin-bottom: 1.15rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ck-input:focus {
    outline: none;
    border-color: var(--ck-teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.18);
}

.ck-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    border: none;
    border-radius: 10px;
    padding: 0.9rem 1.1rem;
    font: inherit;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.ck-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.ck-btn-primary {
    background: var(--ck-teal);
    color: #fff;
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.28);
}

.ck-btn-primary:hover:not(:disabled) {
    background: var(--ck-teal-dark);
    color: #fff;
    transform: translateY(-1px);
}

.ck-btn-secondary {
    background: #fff;
    color: var(--ck-ink);
    border: 1.5px solid var(--ck-line);
}

.ck-btn-secondary:hover:not(:disabled) {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.ck-btn-stack {
    display: grid;
    gap: 0.75rem;
}

.ck-choice {
    display: block;
    width: 100%;
    text-align: left;
    appearance: none;
    -webkit-appearance: none;
    border: 1.5px solid var(--ck-line);
    border-radius: 12px;
    background: #fff;
    padding: 1rem 1.1rem;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.ck-choice:hover,
.ck-choice:focus-visible {
    border-color: var(--ck-teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
    outline: none;
}

.ck-choice-primary {
    border-color: var(--ck-teal);
    background: linear-gradient(180deg, #f0fdfa 0%, #fff 55%);
}

.ck-choice-title {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--ck-ink);
}

.ck-choice-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--ck-muted);
    line-height: 1.45;
}

.ck-alert {
    border-radius: 10px;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 1rem;
}

.ck-alert-error {
    background: var(--ck-danger-bg);
    color: var(--ck-danger);
    border: 1px solid #fecdd3;
}

.ck-alert-ok {
    background: var(--ck-ok-bg);
    color: var(--ck-ok);
    border: 1px solid #a7f3d0;
}

.ck-alert-warn {
    background: var(--ck-warn-bg);
    color: var(--ck-warn);
    border: 1px solid #fde68a;
}

.ck-onramp {
    min-height: 460px;
    border: 1px solid var(--ck-line);
    border-radius: 12px;
    background: #fff;
    overflow: hidden;
}

.ck-meta {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--ck-muted);
}

.ck-meta a {
    color: var(--ck-teal-dark);
    text-decoration: none;
}

.ck-meta a:hover {
    text-decoration: underline;
}

.ck-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ck-muted);
    background: var(--ck-bg);
    border-radius: 999px;
    padding: 0.25rem 0.65rem;
}

.ck-status-dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: #94a3b8;
}

.ck-status-pill.is-live .ck-status-dot {
    background: var(--ck-teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.ck-merchant-box {
    margin-top: 1.25rem;
    padding-top: 1.15rem;
    border-top: 1px solid var(--ck-line);
}

.ck-merchant-box h3 {
    margin: 0 0 0.65rem;
    font-size: 0.85rem;
    font-weight: 700;
}

.ck-merchant-box ol {
    margin: 0 0 0.85rem;
    padding-left: 1.1rem;
    color: var(--ck-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.ck-merchant-box a {
    display: inline-block;
    margin-right: 0.85rem;
    margin-top: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ck-teal-dark);
    text-decoration: none;
}

.ck-merchant-box a:hover {
    text-decoration: underline;
}

.ck-success {
    text-align: center;
    padding: 0.5rem 0 0.25rem;
}

.ck-success-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--ck-ok-bg);
    color: var(--ck-ok);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ck-mono {
    font-family: var(--ck-mono);
    font-size: 0.82rem;
}

.ck-divider {
    height: 1px;
    background: var(--ck-line);
    margin: 1.15rem 0;
}

.ck-hidden,
.d-none {
    display: none !important;
}

@media (prefers-reduced-motion: reduce) {
    .ck-btn,
    .ck-choice,
    .ck-input {
        transition: none;
    }

    .ck-btn-primary:hover:not(:disabled) {
        transform: none;
    }
}