/* ── Synthesis Bookings — Frontend CSS ─────────────────────────────────── */

:root {
    --sb-primary:   #6366f1;
    --sb-primary-d: #4f46e5;
    --sb-accent:    #818cf8;
    --sb-dark:      #0f0f1a;
    --sb-text:      #1e1b4b;
    --sb-muted:     #6b7280;
    --sb-border:    #e5e7eb;
    --sb-bg:        #ffffff;
    --sb-surface:   #f9fafb;
    --sb-radius:    14px;
    --sb-shadow:    0 2px 20px rgba(99,102,241,0.08);
    --sb-shadow-h:  0 8px 40px rgba(99,102,241,0.18);
}

/* ──────────────────────────────── Calendar Page ── */

.sb-page { padding: 40px 20px 80px; }
.sb-page-inner {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 32px;
    align-items: start;
}
@media (max-width: 760px) {
    .sb-page-inner { grid-template-columns: 1fr; }
}

/* ── Calendar widget ── */
.sb-cal-widget {
    background: var(--sb-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    box-shadow: var(--sb-shadow);
    overflow: hidden;
    position: sticky;
    top: 20px;
}
.sb-cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--sb-primary);
    color: white;
}
.sb-cal-title {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.2px;
}
.sb-cal-nav {
    width: 32px; height: 32px;
    border: none;
    background: rgba(255,255,255,0.18);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.15s;
}
.sb-cal-nav:hover { background: rgba(255,255,255,0.32); }
.sb-cal-body { padding: 12px; }
.sb-cal-dow {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: 4px;
}
.sb-cal-dow span {
    font-size: 10px;
    font-weight: 700;
    color: var(--sb-muted);
    text-transform: uppercase;
    padding: 4px 0;
}
.sb-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}
.sb-cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--sb-text);
    transition: all 0.12s;
    cursor: default;
    position: relative;
}
.sb-cal-day.empty { background: none; }
.sb-cal-day.past { color: #d1d5db; }
.sb-cal-day.today {
    background: #ede9fe;
    color: var(--sb-primary);
    font-weight: 700;
}
.sb-cal-day.has-session {
    background: var(--sb-primary);
    color: white;
    font-weight: 700;
    cursor: pointer;
}
.sb-cal-day.has-session:hover {
    background: var(--sb-primary-d);
    transform: scale(1.1);
    z-index: 1;
    box-shadow: 0 2px 10px rgba(99,102,241,0.4);
}
.sb-cal-day.highlighted {
    box-shadow: 0 0 0 2px var(--sb-accent);
}

/* ── Session cards ── */
.sb-sessions-section { display: flex; flex-direction: column; gap: 14px; }

.sb-card {
    display: flex;
    background: var(--sb-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    overflow: hidden;
    text-decoration: none !important;
    color: var(--sb-text);
    transition: box-shadow 0.2s, transform 0.15s, border-color 0.2s;
    box-shadow: var(--sb-shadow);
}
.sb-card:hover {
    box-shadow: var(--sb-shadow-h);
    transform: translateY(-2px);
    border-color: var(--sb-accent);
}
.sb-card.sb-highlighted { border-color: var(--sb-primary); box-shadow: 0 0 0 2px rgba(99,102,241,0.2); }

.sb-card-img {
    width: 130px;
    min-width: 130px;
    background-size: cover;
    background-position: center;
    background-color: #ede9fe;
}
.sb-card-img-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}
.sb-card-content { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.sb-card-meta { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.sb-card-date {
    font-size: 0.75rem;
    font-weight: 700;
    background: #ede9fe;
    color: var(--sb-primary);
    padding: 2px 8px;
    border-radius: 99px;
}
.sb-card-time { font-size: 0.75rem; color: var(--sb-muted); }
.sb-card-loc { font-size: 0.7rem; font-weight: 600; padding: 2px 7px; border-radius: 99px; }
.sb-loc-in-person { background: #dcfce7; color: #166534; }
.sb-loc-online     { background: #dbeafe; color: #1e40af; }
.sb-loc-hybrid     { background: #fef9c3; color: #713f12; }

.sb-card-title { font-size: 1rem; font-weight: 700; color: var(--sb-text); margin: 0; line-height: 1.3; }
.sb-card-excerpt { font-size: 0.83rem; color: var(--sb-muted); margin: 0; line-height: 1.5; }
.sb-card-footer { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 8px; }
.sb-card-price { font-size: 0.95rem; font-weight: 700; color: var(--sb-primary); }
.sb-card-dur { font-size: 0.75rem; color: var(--sb-muted); }
.sb-card-cta { margin-left: auto; font-size: 0.78rem; font-weight: 700; color: var(--sb-accent); text-transform: uppercase; letter-spacing: 0.5px; }
.sb-card:hover .sb-card-cta { color: var(--sb-primary); }

.sb-empty { padding: 40px 20px; color: var(--sb-muted); font-style: italic; text-align: center; }

/* ────────────────────────────── Session Detail Page ── */

.sb-detail-page { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }

.sb-detail-hero {
    width: 100%;
    height: 300px;
    border-radius: var(--sb-radius);
    background-size: cover;
    background-position: center;
    margin-bottom: 28px;
    box-shadow: var(--sb-shadow);
}
.sb-detail-inner {
    background: var(--sb-bg);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 36px 40px;
    box-shadow: var(--sb-shadow);
}
@media (max-width: 600px) { .sb-detail-inner { padding: 22px 18px; } }

.sb-back {
    display: inline-block;
    font-size: 0.82rem;
    color: var(--sb-muted);
    text-decoration: none;
    margin-bottom: 16px;
    transition: color 0.15s;
}
.sb-back:hover { color: var(--sb-primary); }

.sb-detail-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 10px; }
.sb-tag {
    font-size: 0.72rem;
    font-weight: 600;
    background: #ede9fe;
    color: var(--sb-primary);
    padding: 3px 10px;
    border-radius: 99px;
    text-transform: capitalize;
}
.sb-detail-title {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--sb-text);
    margin: 0 0 24px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

/* Meta grid */
.sb-detail-meta {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 12px;
    padding: 18px;
    background: var(--sb-surface);
    border: 1px solid var(--sb-border);
    border-radius: 10px;
    margin-bottom: 26px;
}
.sb-meta-item { display: flex; align-items: flex-start; gap: 10px; }
.sb-meta-icon { font-size: 1.3rem; line-height: 1; margin-top: 1px; }
.sb-meta-label { display: block; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--sb-muted); margin-bottom: 2px; }
.sb-meta-value { display: block; font-size: 0.9rem; font-weight: 600; color: var(--sb-text); }

.sb-detail-desc { font-size: 0.97rem; line-height: 1.75; color: #374151; margin-bottom: 28px; }
.sb-detail-desc p { margin-bottom: 1em; }

/* ── Payment block ── */
.sb-payment-block { margin-top: 8px; }

.sb-payment-trigger { display: flex; align-items: center; gap: 16px; }
.sb-book-btn {
    padding: 15px 36px;
    background: var(--sb-primary);
    color: white;
    border: none;
    border-radius: 99px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(99,102,241,0.3);
}
.sb-book-btn:hover { background: var(--sb-primary-d); transform: translateY(-1px); box-shadow: 0 8px 28px rgba(99,102,241,0.4); }
.sb-book-price { font-size: 1.1rem; font-weight: 700; color: var(--sb-primary); }

.sb-stripe-panel {
    background: var(--sb-surface);
    border: 1px solid var(--sb-border);
    border-radius: var(--sb-radius);
    padding: 24px;
    margin-top: 16px;
}
.sb-stripe-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    color: var(--sb-muted);
    font-size: 0.9rem;
}
.sb-spinner {
    width: 20px; height: 20px;
    border: 2px solid #e5e7eb;
    border-top-color: var(--sb-primary);
    border-radius: 50%;
    animation: sbSpin 0.7s linear infinite;
    flex-shrink: 0;
}
@keyframes sbSpin { to { transform: rotate(360deg); } }

.sb-payment-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 14px;
    color: #dc2626;
    font-size: 0.88rem;
    margin-top: 12px;
}
.sb-stripe-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}
.sb-submit-btn {
    flex: 1;
    padding: 13px;
    background: var(--sb-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}
.sb-submit-btn:hover { background: var(--sb-primary-d); }
.sb-submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.sb-cancel-btn {
    padding: 13px 20px;
    background: transparent;
    color: var(--sb-muted);
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s;
}
.sb-cancel-btn:hover { border-color: var(--sb-muted); color: var(--sb-text); }

.sb-stripe-powered {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 0.75rem;
    color: var(--sb-muted);
}
.sb-stripe-powered svg { opacity: 0.6; }

.sb-success-block {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    border: 1px solid #c4b5fd;
    border-radius: var(--sb-radius);
    padding: 28px 24px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sb-primary-d);
    margin-top: 8px;
}
.sb-cta-block {
    padding: 20px;
    border-radius: var(--sb-radius);
    text-align: center;
    font-size: 0.95rem;
    margin-top: 8px;
}
.sb-cta-past { background: var(--sb-surface); color: var(--sb-muted); border: 1px solid var(--sb-border); font-style: italic; }
.sb-cta-nostripe { background: #fef9c3; color: #713f12; border: 1px solid #fde047; }

@media (max-width: 600px) {
    .sb-card { flex-direction: column; }
    .sb-card-img { width: 100%; height: 130px; min-width: unset; }
    .sb-detail-meta { grid-template-columns: 1fr 1fr; }
    .sb-detail-title { font-size: 1.5rem; }
}