/* ============================================
   School Appointment Booking v2 — Frontend
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

.sab-wrapper * { box-sizing: border-box; margin: 0; padding: 0; }

.sab-wrapper {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    max-width: 560px;
    margin: 40px auto;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.04), 0 4px 6px -1px rgba(0,0,0,0.06), 0 20px 50px -12px rgba(0,0,0,0.12);
    overflow: hidden;
    position: relative;
}

/* ── Header ── */
.sab-header {
    background: linear-gradient(135deg, var(--sab-primary), var(--sab-primary-dark));
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}
.sab-header::before { content:''; position:absolute; top:-50%; right:-20%; width:200px; height:200px; border-radius:50%; background:rgba(255,255,255,0.08); }
.sab-header::after  { content:''; position:absolute; bottom:-30%; left:10%; width:120px; height:120px; border-radius:50%; background:rgba(255,255,255,0.05); }

.sab-header-icon {
    width: 52px; height: 52px;
    background: rgba(255,255,255,0.18);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; flex-shrink: 0;
    backdrop-filter: blur(4px);
    position: relative; z-index: 1;
    overflow: hidden;
}
.sab-header-logo {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 14px;
    display: block;
}
.sab-title { font-family:'Poppins',sans-serif; font-size:22px; font-weight:700; color:#fff; line-height:1.2; position:relative; z-index:1; }
.sab-subtitle { font-size:13px; color:rgba(255,255,255,0.8); margin-top:2px; font-weight:400; position:relative; z-index:1; }

/* ── Steps ── */
.sab-steps { display:flex; align-items:center; justify-content:center; padding:20px 32px 8px; gap:0; }
.sab-step { display:flex; align-items:center; gap:8px; opacity:0.4; transition:all 0.3s ease; }
.sab-step.active { opacity:1; }
.sab-step.completed { opacity:0.7; }
.sab-step-num { width:28px; height:28px; border-radius:50%; background:#e5e7eb; color:#6b7280; font-size:12px; font-weight:600; display:flex; align-items:center; justify-content:center; transition:all 0.3s ease; }
.sab-step.active .sab-step-num { background:var(--sab-primary); color:#fff; box-shadow:0 2px 8px rgba(0,121,68,0.3); }
.sab-step.completed .sab-step-num { background:#16a34a; color:#fff; }
.sab-step-label { font-size:12px; font-weight:500; color:#374151; }
.sab-step-line { width:40px; height:2px; background:#e5e7eb; margin:0 8px; border-radius:1px; }

/* ── Sections ── */
.sab-section { display:none; padding:20px 28px 28px; animation:sabFadeIn 0.3s ease; }
.sab-section.active { display:block; }
@keyframes sabFadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* ── Calendar ── */
.sab-calendar-nav { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.sab-nav-btn { width:36px; height:36px; border:1px solid #e5e7eb; background:#fff; border-radius:10px; display:flex; align-items:center; justify-content:center; cursor:pointer; transition:all 0.2s; color:#374151; }
.sab-nav-btn:hover { background:var(--sab-primary-light); border-color:var(--sab-primary); color:var(--sab-primary); }
.sab-month-title { font-family:'Poppins',sans-serif; font-size:18px; font-weight:600; color:#111827; }

.sab-calendar-grid { display:grid; grid-template-columns:repeat(7,1fr); gap:2px; margin-bottom:4px; }
.sab-day-header { text-align:center; font-size:11px; font-weight:600; color:#9ca3af; text-transform:uppercase; letter-spacing:0.05em; padding:8px 0; }
.sab-day-header.sab-weekend { color:#d1d5db; }
.sab-calendar-days { display:grid; grid-template-columns:repeat(7,1fr); gap:4px; }

.sab-day {
    aspect-ratio:1; display:flex; align-items:center; justify-content:center;
    border-radius:12px; font-size:14px; font-weight:500; cursor:pointer;
    transition:all 0.2s ease; color:#374151; position:relative; border:none; background:transparent;
}
.sab-day:hover:not(.sab-day-disabled):not(.sab-day-empty) { background:var(--sab-primary-light); color:var(--sab-primary); transform:scale(1.05); }
.sab-day.sab-day-today { font-weight:700; color:var(--sab-primary); }
.sab-day.sab-day-today::after { content:''; position:absolute; bottom:4px; width:4px; height:4px; border-radius:50%; background:var(--sab-primary); }
.sab-day.sab-day-selected { background:var(--sab-primary) !important; color:#fff !important; box-shadow:0 4px 12px rgba(0,121,68,0.3); transform:scale(1.05); }
.sab-day.sab-day-selected::after { display:none; }
.sab-day.sab-day-disabled { color:#d1d5db; cursor:not-allowed; background:transparent; }
.sab-day.sab-day-disabled:hover { transform:none; background:transparent; }
.sab-day.sab-day-empty { cursor:default; }

/* ── Time Section ── */
.sab-selected-date-bar { display:flex; align-items:center; gap:12px; margin-bottom:20px; padding-bottom:16px; border-bottom:1px solid #f3f4f6; }
.sab-back-btn { display:flex; align-items:center; gap:4px; background:none; border:1px solid #e5e7eb; padding:6px 12px; border-radius:8px; font-size:13px; color:#6b7280; cursor:pointer; transition:all 0.2s; font-family:inherit; }
.sab-back-btn:hover { background:#f9fafb; color:#374151; }
#sab-selected-date-text { font-weight:600; font-size:15px; color:#111827; }

/* ── Counsellor Tabs ── */
.sab-counsellor-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.sab-counsellor-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 12px;
    border: 2px solid #e5e7eb;
    border-radius: 14px;
    background: #fff;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
    position: relative;
}

.sab-counsellor-tab:hover {
    border-color: #cbd5e1;
    background: #f9fafb;
}

/* Counsellor 1 active */
.sab-counsellor-tab.active[data-counsellor="1"] {
    border-color: var(--sab-primary);
    background: var(--sab-primary-light);
    color: var(--sab-primary);
    box-shadow: 0 2px 12px rgba(0,121,68,0.15);
}
.sab-counsellor-tab.active[data-counsellor="1"] .sab-tab-icon {
    background: var(--sab-primary);
    color: #fff;
}

/* Counsellor 2 active */
.sab-counsellor-tab.active[data-counsellor="2"] {
    border-color: var(--sab-c2-color);
    background: var(--sab-c2-light);
    color: var(--sab-c2-color);
    box-shadow: 0 2px 12px rgba(124,58,237,0.15);
}
.sab-counsellor-tab.active[data-counsellor="2"] .sab-tab-icon {
    background: var(--sab-c2-color);
    color: #fff;
}

.sab-tab-icon {
    width: 32px; height: 32px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: #e5e7eb;
    color: #6b7280;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.sab-tab-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.sab-tab-badge {
    font-size: 11px;
    font-weight: 700;
    background: #e5e7eb;
    color: #6b7280;
    padding: 2px 7px;
    border-radius: 20px;
    min-width: 20px;
    text-align: center;
}

.sab-counsellor-tab.active[data-counsellor="1"] .sab-tab-badge { background:var(--sab-primary); color:#fff; }
.sab-counsellor-tab.active[data-counsellor="2"] .sab-tab-badge { background:var(--sab-c2-color); color:#fff; }

/* ── Counsellor Panels ── */
.sab-counsellor-panel { display:none; animation:sabFadeIn 0.25s ease; }
.sab-counsellor-panel.active { display:block; }

/* ── Time Slots Grid ── */
.sab-slots-container { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; }

.sab-slot {
    padding:12px 8px; text-align:center;
    border:2px solid #e5e7eb; border-radius:12px;
    font-size:13px; font-weight:500; cursor:pointer;
    transition:all 0.2s ease; color:#374151; background:#fff; position:relative;
}
.sab-slot:hover:not(.sab-slot-booked):not(.sab-slot-past) {
    border-color:var(--sab-primary); background:var(--sab-primary-light); color:var(--sab-primary);
    transform:translateY(-2px); box-shadow:0 4px 12px rgba(0,121,68,0.15);
}

/* Counsellor 2 hover override */
.sab-counsellor-panel[id="sab-panel-2"] .sab-slot:hover:not(.sab-slot-booked):not(.sab-slot-past) {
    border-color:var(--sab-c2-color); background:var(--sab-c2-light); color:var(--sab-c2-color);
    box-shadow:0 4px 12px rgba(124,58,237,0.15);
}

.sab-slot.sab-slot-selected { border-color:var(--sab-primary); background:var(--sab-primary); color:#fff; box-shadow:0 4px 12px rgba(0,121,68,0.3); }
.sab-counsellor-panel[id="sab-panel-2"] .sab-slot.sab-slot-selected { border-color:var(--sab-c2-color); background:var(--sab-c2-color); color:#fff; box-shadow:0 4px 12px rgba(124,58,237,0.3); }

.sab-slot.sab-slot-booked { background:#fef2f2; border-color:#fecaca; color:#dc2626; cursor:not-allowed; text-decoration:line-through; opacity:0.6; }
.sab-slot.sab-slot-past { background:#f9fafb; border-color:#e5e7eb; color:#d1d5db; cursor:not-allowed; }
.sab-slot-label { font-size:10px; color:#9ca3af; display:block; margin-top:2px; }
.sab-slot.sab-slot-booked .sab-slot-label { color:#f87171; text-decoration:none; }

/* Loading / Empty */
.sab-loading { grid-column:1/-1; text-align:center; padding:40px 0; color:#9ca3af; }
.sab-spinner { width:32px; height:32px; border:3px solid #e5e7eb; border-top-color:var(--sab-primary); border-radius:50%; animation:sabSpin 0.7s linear infinite; margin:0 auto 12px; }
.sab-spinner-sm { width:18px; height:18px; border:2px solid rgba(255,255,255,0.3); border-top-color:#fff; border-radius:50%; animation:sabSpin 0.7s linear infinite; display:inline-block; vertical-align:middle; }
@keyframes sabSpin { to { transform:rotate(360deg); } }

.sab-no-slots { text-align:center; padding:40px 20px; }
.sab-no-slots p { color:#9ca3af; margin-top:12px; font-size:14px; }

.sab-panel-empty { text-align:center; padding:32px 16px; color:#9ca3af; font-size:14px; }
.sab-panel-empty svg { margin-bottom:10px; opacity:0.4; }

/* ── Modal ── */
.sab-modal-overlay {
    display:none; position:fixed; top:0; left:0; right:0; bottom:0;
    background:rgba(0,0,0,0.5); backdrop-filter:blur(4px); z-index:999999;
    justify-content:center; align-items:center; padding:20px; animation:sabFadeIn 0.2s ease;
}
.sab-modal-overlay.active { display:flex; }

.sab-modal {
    background:#fff; border-radius:20px; width:100%; max-width:560px; max-height:90vh;
    overflow-y:auto; position:relative;
    box-shadow:0 25px 60px rgba(0,0,0,0.2); animation:sabSlideUp 0.3s ease;
}
@keyframes sabSlideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }

.sab-modal-close { position:absolute; top:16px; right:16px; width:32px; height:32px; border:none; background:#f3f4f6; border-radius:50%; font-size:20px; line-height:1; color:#6b7280; cursor:pointer; transition:all 0.2s; display:flex; align-items:center; justify-content:center; z-index:1; }
.sab-modal-close:hover { background:#e5e7eb; color:#111827; }

.sab-modal-header { padding:28px 28px 16px; border-bottom:1px solid #f3f4f6; }
.sab-modal-header h3 { font-family:'Poppins',sans-serif; font-size:20px; font-weight:700; color:#111827; }
.sab-modal-slot-info { font-size:14px; color:var(--sab-primary); font-weight:500; margin-top:6px; display:flex; align-items:center; gap:8px; flex-wrap:wrap; }

.sab-modal-counsellor-badge {
    display:inline-block; padding:3px 10px; border-radius:6px;
    font-size:12px; font-weight:700; color:#fff;
}
.sab-modal-counsellor-badge.sab-badge-c1 { background:var(--sab-primary); }
.sab-modal-counsellor-badge.sab-badge-c2 { background:var(--sab-c2-color); }

.sab-modal-body { padding:24px 28px 28px; }

/* ── Form ── */
.sab-form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.sab-form-group label { display:block; font-size:13px; font-weight:500; color:#374151; margin-bottom:6px; }
.sab-req { color:#ef4444; }
.sab-form-group input,
.sab-form-group select { width:100%; padding:10px 14px; border:1.5px solid #e5e7eb; border-radius:10px; font-size:14px; font-family:inherit; color:#111827; background:#fff; transition:all 0.2s; outline:none; }
.sab-form-group input:focus,
.sab-form-group select:focus { border-color:var(--sab-primary); box-shadow:0 0 0 3px var(--sab-primary-light); }
.sab-form-group input::placeholder { color:#c4c7cc; }
.sab-form-group input.sab-input-error,
.sab-form-group select.sab-input-error { border-color:#ef4444; box-shadow:0 0 0 3px rgba(239,68,68,0.1); }

.sab-submit-btn { width:100%; padding:14px; background:linear-gradient(135deg,var(--sab-primary),var(--sab-primary-dark)); color:#fff; border:none; border-radius:12px; font-size:15px; font-weight:600; font-family:inherit; cursor:pointer; transition:all 0.2s; margin-top:8px; }
.sab-submit-btn:hover { transform:translateY(-1px); box-shadow:0 6px 20px rgba(0,121,68,0.35); }
.sab-submit-btn:active { transform:translateY(0); }
.sab-submit-btn:disabled { opacity:0.6; cursor:not-allowed; transform:none; }

/* ── Success ── */
.sab-success { text-align:center; padding:40px 28px; }
.sab-success-icon { margin-bottom:16px; animation:sabBounce 0.5s ease; }
@keyframes sabBounce { 0%,100%{transform:scale(1)} 50%{transform:scale(1.1)} }
.sab-success h3 { font-family:'Poppins',sans-serif; font-size:22px; font-weight:700; color:#16a34a; margin-bottom:8px; }
.sab-success p { color:#6b7280; font-size:14px; margin-bottom:20px; }
.sab-success-details { background:#f0fdf4; border:1px solid #bbf7d0; border-radius:12px; padding:16px; text-align:left; font-size:13px; color:#374151; line-height:1.8; margin-bottom:20px; }

.sab-whatsapp-btn { display:inline-flex; align-items:center; gap:8px; background:#25D366; color:#fff !important; padding:12px 24px; border-radius:10px; text-decoration:none !important; font-weight:600; font-size:14px; transition:all 0.2s; margin-bottom:12px; }
.sab-whatsapp-btn:hover { background:#1ebe57; transform:translateY(-1px); box-shadow:0 4px 12px rgba(37,211,102,0.3); }

.sab-new-booking-btn { display:block; width:100%; padding:12px; background:#f3f4f6; border:none; border-radius:10px; font-size:14px; font-weight:500; color:#6b7280; cursor:pointer; font-family:inherit; transition:all 0.2s; margin-top:8px; }
.sab-new-booking-btn:hover { background:#e5e7eb; color:#374151; }

/* ── Responsive ── */
/* ── Responsive — Tablet ── */
@media (max-width:600px) {
    .sab-wrapper { margin:16px; border-radius:16px; }
    .sab-header { padding:22px 20px; }
    .sab-section { padding:16px 16px 24px; }
    .sab-form-row { grid-template-columns:1fr; gap:12px; }
    .sab-slots-container { grid-template-columns:repeat(2,1fr); }
    .sab-steps { padding:16px 16px 4px; }
    .sab-step-label { display:none; }
    .sab-modal-body { padding:20px; }
    .sab-modal-header { padding:22px 20px 14px; }

    /* Counsellor tabs — compact side by side */
    .sab-counsellor-tabs { gap:8px; }
    .sab-counsellor-tab { padding:10px 8px; gap:6px; border-radius:12px; }
    .sab-tab-icon { width:28px; height:28px; border-radius:8px; }
    .sab-tab-icon svg { width:15px; height:15px; }
    .sab-tab-name { max-width:80px; font-size:11px; }
    .sab-tab-badge { font-size:10px; padding:1px 6px; }
}

/* ── Responsive — Small Phone ── */
@media (max-width:400px) {
    .sab-wrapper { margin:10px; border-radius:14px; }
    .sab-header { padding:18px 16px; gap:12px; }
    .sab-header-icon { width:44px; height:44px; border-radius:12px; }
    .sab-header-icon svg { width:22px; height:22px; }
    .sab-title { font-size:18px; }
    .sab-subtitle { font-size:12px; }
    .sab-section { padding:14px 14px 20px; }

    /* Counsellor tabs — full width stacked */
    .sab-counsellor-tabs { grid-template-columns:1fr; gap:8px; }
    .sab-counsellor-tab {
        padding:12px 14px;
        justify-content: flex-start;
        gap:10px;
        border-radius:12px;
    }
    .sab-tab-icon { width:32px; height:32px; }
    .sab-tab-name { max-width:none; font-size:13px; flex:1; text-align:left; }
    .sab-tab-badge { font-size:10px; margin-left:auto; }

    .sab-slots-container { grid-template-columns:repeat(2,1fr); gap:8px; }
    .sab-slot { padding:10px 6px; font-size:12px; border-radius:10px; }
    .sab-slot-label { font-size:9px; }

    .sab-modal { border-radius:16px; }
    .sab-modal-header { padding:18px 16px 12px; }
    .sab-modal-header h3 { font-size:17px; }
    .sab-modal-body { padding:16px; }
    .sab-modal-slot-info { font-size:12px; }
    .sab-submit-btn { padding:12px; font-size:14px; border-radius:10px; }

    .sab-selected-date-bar { gap:8px; margin-bottom:14px; padding-bottom:12px; }
    #sab-selected-date-text { font-size:13px; }
    .sab-back-btn { padding:5px 10px; font-size:12px; }
}