/* ── CertiLead Sandbox ── */

:root {
    --sb-primary: #0d6efd;
    --sb-primary-dark: #0a58ca;
    --sb-bg: #f5f6fa;
    --sb-card-bg: #ffffff;
    --sb-header-bg: #1a1d23;
    --sb-text: #2d3748;
    --sb-text-muted: #6c757d;
    --sb-border: #e2e8f0;
    --sb-success: #198754;
    --sb-success-bg: #d1e7dd;
    --sb-radius: 12px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--sb-bg);
    color: var(--sb-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header ── */
.sb-header {
    background: var(--sb-header-bg);
    padding: 1rem 0;
}

.sb-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sb-logo {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sb-logo i { font-size: 1.5rem; color: var(--sb-primary); }
.sb-logo small { font-weight: 400; opacity: 0.6; margin-left: 0.25rem; }

.sb-badge-env {
    background: #ffc107;
    color: #000;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* ── Hero ── */
.sb-hero {
    text-align: center;
    padding: 3rem 0 2rem;
}

.sb-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.sb-hero p {
    color: var(--sb-text-muted);
    font-size: 1.1rem;
}

/* ── Cards grid ── */
.sb-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding-bottom: 3rem;
}

.sb-card {
    background: var(--sb-card-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 1.75rem;
    transition: box-shadow 0.2s, transform 0.2s;
    display: flex;
    flex-direction: column;
}

.sb-card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.sb-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.sb-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.sb-card p {
    color: var(--sb-text-muted);
    font-size: 0.9rem;
    flex: 1;
}

.sb-card-badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.sb-card-badge.multi {
    background: #e0e7ff;
    color: #3730a3;
}

.sb-card-badge.single {
    background: #d1fae5;
    color: #065f46;
}

/* ── Form page ── */
.sb-form-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.sb-form-header {
    margin-bottom: 2rem;
}

.sb-form-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.sb-form-header p {
    color: var(--sb-text-muted);
}

.sb-form-card {
    background: var(--sb-card-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 2rem;
}

.sb-form-card .form-label {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.sb-form-card .form-control,
.sb-form-card .form-select {
    border-radius: 8px;
    border: 1px solid var(--sb-border);
    padding: 0.6rem 0.85rem;
}

.sb-form-card .form-control:focus,
.sb-form-card .form-select:focus {
    border-color: var(--sb-primary);
    box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
}

.sb-consent {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.sb-consent .form-check-label {
    font-size: 0.85rem;
    color: var(--sb-text-muted);
}

/* ── Stepper ── */
.sb-stepper-bar {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 2rem;
}

.sb-stepper-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--sb-text-muted);
    font-weight: 500;
}

.sb-stepper-item + .sb-stepper-item::before {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--sb-border);
    margin-right: 0.5rem;
}

.sb-stepper-item .sb-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--sb-border);
    color: var(--sb-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.sb-stepper-item.active { color: var(--sb-primary); }
.sb-stepper-item.active .sb-step-num {
    background: var(--sb-primary);
    color: #fff;
}

.sb-stepper-item.done { color: var(--sb-success); }
.sb-stepper-item.done .sb-step-num {
    background: var(--sb-success);
    color: #fff;
}

.sb-stepper-item.done + .sb-stepper-item::before,
.sb-stepper-item.active + .sb-stepper-item::before {
    background: var(--sb-success);
}

.sb-step-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sb-border);
}

/* ── Success page ── */
.sb-success {
    text-align: center;
    max-width: 600px;
    margin: 3rem auto;
    padding: 3rem 2rem;
    background: var(--sb-card-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
}

.sb-success-icon {
    font-size: 4rem;
    color: var(--sb-success);
    margin-bottom: 1rem;
}

.sb-success h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.sb-success .sb-token {
    display: inline-block;
    background: #f1f5f9;
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    margin: 1rem 0;
    word-break: break-all;
}

.sb-success-links {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

/* ── Footer ── */
.sb-footer {
    margin-top: auto;
    background: var(--sb-header-bg);
    color: rgba(255,255,255,0.5);
    padding: 1rem 0;
    font-size: 0.8rem;
    text-align: center;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .sb-hero h1 { font-size: 1.5rem; }
    .sb-cards { grid-template-columns: 1fr; }
    .sb-form-card { padding: 1.25rem; }
    .sb-stepper-item span:not(.sb-step-num) { display: none; }
    .sb-stepper-item + .sb-stepper-item::before { width: 24px; }
}