/* ═══════════════════════════════════════════════════════════
   DO Audit Booking v4.3 — Styles
   ALL typography in px. #doab-booking-app for specificity.
   ═══════════════════════════════════════════════════════════ */

:root {
    --doab-primary: #0a2540;
    --doab-accent: #00d4aa;
    --doab-bg: #f8f9fb;
    --doab-surface: #ffffff;
    --doab-border: #e2e6ed;
    --doab-text: #1a2332;
    --doab-text-muted: #6b7a8d;
    --doab-disabled: #c5cbd4;
    --doab-disabled-bg: #f2f3f5;
    --doab-danger: #e74c3c;
    --doab-radius: 14px;
    --doab-radius-sm: 10px;
    --doab-shadow: 0 1px 3px rgba(10,37,64,.06), 0 4px 12px rgba(10,37,64,.04);
    --doab-shadow-lg: 0 4px 6px rgba(10,37,64,.07), 0 12px 28px rgba(10,37,64,.09);
    --doab-transition: .2s cubic-bezier(.4,0,.2,1);
    --doab-font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

/* ─── Container ───────────────────────────────────────────── */
#doab-booking-app {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
    font-family: var(--doab-font);
    color: var(--doab-text);
    font-size: 17px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
#doab-booking-app *, #doab-booking-app *::before, #doab-booking-app *::after {
    box-sizing: border-box;
}
/* Force font-family on ALL interactive elements (browsers override buttons) */
#doab-booking-app button,
#doab-booking-app input,
#doab-booking-app textarea,
#doab-booking-app select {
    font-family: var(--doab-font);
}

/* ─── Progress ────────────────────────────────────────────── */
#doab-booking-app .doab-progress {
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 32px; padding: 0 16px;
}
#doab-booking-app .doab-step {
    display: flex; align-items: center; gap: 8px;
    opacity: .35; transition: opacity var(--doab-transition);
}
#doab-booking-app .doab-step.active { opacity: 1; }
#doab-booking-app .doab-step.completed { opacity: .7; }
#doab-booking-app .doab-step-num {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--doab-border); color: var(--doab-text-muted);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px;
    transition: all var(--doab-transition); flex-shrink: 0;
}
#doab-booking-app .doab-step.active .doab-step-num { background: var(--doab-primary); color: #fff; }
#doab-booking-app .doab-step.completed .doab-step-num { background: var(--doab-accent); color: #fff; }
#doab-booking-app .doab-step span {
    font-size: 15px; font-weight: 500;
    color: var(--doab-text-muted); white-space: nowrap;
}
#doab-booking-app .doab-step.active span { color: var(--doab-text); font-weight: 600; }
/* Progress lines — colored when preceding step is completed */
#doab-booking-app .doab-step-line {
    flex: 0 0 40px; height: 2px;
    background: var(--doab-border); margin: 0 8px;
    transition: background var(--doab-transition);
}
#doab-booking-app .doab-step-line.done {
    background: var(--doab-accent);
}

/* ─── Panel ───────────────────────────────────────────────── */
#doab-booking-app .doab-panel {
    background: var(--doab-surface); border: 1px solid var(--doab-border);
    border-radius: var(--doab-radius); padding: 40px;
    box-shadow: var(--doab-shadow); animation: doabFadeIn .35s ease-out;
}
@keyframes doabFadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

#doab-booking-app .doab-title {
    font-size: 28px; font-weight: 700;
    color: var(--doab-primary); margin: 0 0 6px; line-height: 1.3;
}
#doab-booking-app .doab-subtitle {
    font-size: 17px; color: var(--doab-text-muted);
    margin: 0 0 28px; line-height: 1.5;
}

/* ─── Date + Time Grid ────────────────────────────────────── */
#doab-booking-app .doab-datetime-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 24px; margin-bottom: 24px;
}

/* ─── Calendar ────────────────────────────────────────────── */
#doab-booking-app .doab-calendar-wrap {
    border: 1px solid var(--doab-border); border-radius: var(--doab-radius-sm);
    padding: 20px; background: var(--doab-bg);
}
#doab-booking-app .doab-cal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px; font-weight: 700; font-size: 16px; color: var(--doab-primary);
}
#doab-booking-app .doab-cal-nav {
    width: 36px; height: 36px; border: none;
    background: var(--doab-surface); border-radius: 50%;
    cursor: pointer; font-size: 20px; color: var(--doab-text);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--doab-transition); box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
#doab-booking-app .doab-cal-nav:hover:not(:disabled) { background: var(--doab-primary); color: #fff; }
#doab-booking-app .doab-cal-weekdays {
    display: grid; grid-template-columns: repeat(7,1fr);
    text-align: center; margin-bottom: 6px;
}
#doab-booking-app .doab-cal-weekdays span {
    font-size: 11px; font-weight: 700; color: var(--doab-text-muted);
    text-transform: uppercase; letter-spacing: .6px; padding: 4px 0;
}
#doab-booking-app .doab-cal-days {
    display: grid; grid-template-columns: repeat(7,1fr); gap: 2px;
}
#doab-booking-app .doab-cal-day {
    aspect-ratio: 1; display: flex; align-items: center; justify-content: center;
    border: none; background: transparent; border-radius: 50%;
    font-size: 14px; font-weight: 500; cursor: pointer;
    color: var(--doab-text); transition: all var(--doab-transition); position: relative;
}
#doab-booking-app .doab-cal-day:hover:not(.disabled):not(.selected):not(.other-month) {
    background: var(--doab-primary); color: #fff; transform: scale(1.08);
}
#doab-booking-app .doab-cal-day.selected {
    background: var(--doab-accent); color: #fff; font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,212,170,.35);
}
#doab-booking-app .doab-cal-day.today:not(.selected) { font-weight: 700; color: var(--doab-accent); }
#doab-booking-app .doab-cal-day.today:not(.selected)::after {
    content: ''; position: absolute; bottom: 2px; left: 50%;
    transform: translateX(-50%); width: 4px; height: 4px;
    border-radius: 50%; background: var(--doab-accent);
}
#doab-booking-app .doab-cal-day.disabled {
    color: var(--doab-disabled); cursor: not-allowed;
    background: var(--doab-disabled-bg); font-weight: 400;
}
#doab-booking-app .doab-cal-day.disabled:hover { transform: none; }
#doab-booking-app .doab-cal-day.other-month {
    color: var(--doab-disabled); background: transparent; opacity: .4;
}
#doab-booking-app .doab-cal-note {
    font-size: 13px; color: var(--doab-text-muted);
    text-align: center; margin: 10px 0 0; font-style: italic;
}

/* ─── Time Slots ──────────────────────────────────────────── */
#doab-booking-app .doab-slots-wrap { min-height: 220px; display: flex; flex-direction: column; }
#doab-booking-app .doab-slots-placeholder {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    justify-content: center; text-align: center; color: var(--doab-text-muted);
    border: 2px dashed var(--doab-border); border-radius: var(--doab-radius-sm); padding: 32px 16px;
}
#doab-booking-app .doab-slots-placeholder svg { margin-bottom: 12px; opacity: .4; }
#doab-booking-app .doab-slots-placeholder p { font-size: 16px; margin: 0; }
#doab-booking-app .doab-slots-list h4 {
    font-size: 14px; font-weight: 600; color: var(--doab-text-muted);
    margin: 0 0 12px; text-transform: uppercase; letter-spacing: .4px;
}
#doab-booking-app #doab-slots-container { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
#doab-booking-app .doab-slot {
    border: 2px solid var(--doab-border); background: var(--doab-surface);
    border-radius: var(--doab-radius-sm); padding: 12px 14px;
    text-align: center; font-size: 16px; font-weight: 600;
    cursor: pointer; transition: all var(--doab-transition); color: var(--doab-text);
}
#doab-booking-app .doab-slot:hover:not(.booked):not(.selected) {
    border-color: var(--doab-primary); background: rgba(10,37,64,.03); transform: translateY(-1px);
}
#doab-booking-app .doab-slot.selected {
    border-color: var(--doab-accent); background: rgba(0,212,170,.08);
    color: var(--doab-primary); box-shadow: 0 0 0 3px rgba(0,212,170,.15);
}
#doab-booking-app .doab-slot.booked {
    background: var(--doab-disabled-bg); color: var(--doab-disabled);
    cursor: not-allowed; text-decoration: line-through; border-color: transparent;
}

/* ─── Form ────────────────────────────────────────────────── */
#doab-booking-app .doab-form-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 18px; margin-bottom: 24px;
}
#doab-booking-app .doab-field-full { grid-column: 1 / -1; }

/* Section labels */
#doab-booking-app .doab-form-section { grid-column: 1/-1; margin-top: 12px; }
#doab-booking-app .doab-form-section:first-child { margin-top: 0; }
#doab-booking-app .doab-section-label {
    font-size: 13px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1px; color: var(--doab-text-muted);
    margin: 0; padding-bottom: 6px; border-bottom: 1px solid var(--doab-border);
}

/* Fields */
#doab-booking-app .doab-field { position: relative; }
#doab-booking-app .doab-field label {
    display: block; font-size: 15px; font-weight: 600;
    color: var(--doab-text); margin-bottom: 6px;
}
/* Red asterisks for required fields */
#doab-booking-app .doab-field label .doab-req {
    color: var(--doab-danger); font-weight: 700; margin-left: 2px;
}
#doab-booking-app .doab-field input[type="text"],
#doab-booking-app .doab-field input[type="email"],
#doab-booking-app .doab-field input[type="tel"],
#doab-booking-app .doab-field textarea {
    width: 100%; padding: 14px 16px;
    border: 2px solid var(--doab-border); border-radius: var(--doab-radius-sm);
    font-size: 17px;
    color: var(--doab-text); background: var(--doab-surface);
    transition: border-color var(--doab-transition), box-shadow var(--doab-transition);
    outline: none;
}
#doab-booking-app .doab-field input:focus,
#doab-booking-app .doab-field textarea:focus {
    border-color: var(--doab-accent); box-shadow: 0 0 0 3px rgba(0,212,170,.12);
}
#doab-booking-app .doab-field input::placeholder,
#doab-booking-app .doab-field textarea::placeholder {
    color: var(--doab-text-muted); opacity: .55;
}
#doab-booking-app .doab-field textarea { resize: vertical; min-height: 100px; }

/* Error state */
#doab-booking-app .doab-field input.error,
#doab-booking-app .doab-field textarea.error {
    border-color: var(--doab-danger); box-shadow: 0 0 0 3px rgba(231,76,60,.1);
}
#doab-booking-app .doab-field-error {
    display: none; font-size: 13px; color: var(--doab-danger);
    margin-top: 5px; line-height: 1.3;
}

/* ─── Checkboxes ──────────────────────────────────────────── */
#doab-booking-app .doab-checkbox-label {
    display: flex !important; align-items: flex-start;
    gap: 10px; cursor: pointer; font-weight: 400 !important; line-height: 1.5;
}
#doab-booking-app .doab-checkbox-label input[type="checkbox"] {
    width: 22px; height: 22px; margin-top: 2px;
    accent-color: var(--doab-accent); flex-shrink: 0;
}
#doab-booking-app .doab-checkbox-label span {
    font-size: 15px; color: var(--doab-text-muted);
}
#doab-booking-app .doab-checkbox-label a {
    color: var(--doab-primary); text-decoration: underline; text-underline-offset: 2px;
}
#doab-booking-app .doab-checkbox-label .doab-req {
    color: var(--doab-danger); font-weight: 700;
}

/* ─── Buttons ─────────────────────────────────────────────── */
#doab-booking-app .doab-actions {
    display: flex; justify-content: flex-end; gap: 12px; padding-top: 8px;
}
#doab-booking-app .doab-actions-between { justify-content: space-between; }
#doab-booking-app .doab-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border: none; border-radius: var(--doab-radius-sm);
    font-size: 17px; font-weight: 600;
    cursor: pointer; transition: all var(--doab-transition); white-space: nowrap;
}
#doab-booking-app .doab-btn-primary { background: var(--doab-primary); color: #fff; }
#doab-booking-app .doab-btn-primary:hover:not(:disabled) {
    background: #0d3157; transform: translateY(-1px); box-shadow: var(--doab-shadow-lg);
}
#doab-booking-app .doab-btn-primary:disabled { opacity: .5; cursor: not-allowed; }
#doab-booking-app .doab-btn-ghost {
    background: transparent; color: var(--doab-text-muted); border: 2px solid var(--doab-border);
}
#doab-booking-app .doab-btn-ghost:hover {
    background: var(--doab-bg); border-color: var(--doab-text-muted); color: var(--doab-text);
}

/* ─── Step 3 Buttons ──────────────────────────────────────── */
#doab-booking-app .doab-gcal-btn,
#doab-booking-app .doab-ics-btn,
#doab-booking-app .doab-meet-btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px;
    border-radius: var(--doab-radius-sm); font-weight: 600; font-size: 16px;
    text-decoration: none; transition: all var(--doab-transition);
    border: 2px solid var(--doab-border); background: #fff; color: var(--doab-text) !important;
}
#doab-booking-app .doab-gcal-btn:hover { border-color: #4285f4; background: #f0f7ff; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(66,133,244,.2); }
#doab-booking-app .doab-ics-btn:hover { border-color: var(--doab-accent); background: rgba(0,212,170,.06); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,212,170,.2); }
#doab-booking-app .doab-meet-btn:hover { border-color: #00897b; background: #e0f2f1; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,137,123,.2); }
#doab-booking-app .doab-gcal-btn svg, #doab-booking-app .doab-ics-btn svg, #doab-booking-app .doab-meet-btn svg { flex-shrink: 0; }

#doab-booking-app .doab-whatsapp-btn {
    background: #25D366; color: #fff !important;
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 20px; border-radius: var(--doab-radius-sm);
    font-weight: 600; font-size: 16px; text-decoration: none;
    transition: all var(--doab-transition);
}
#doab-booking-app .doab-whatsapp-btn:hover { background: #128C7E; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(37,211,102,.3); }

/* ─── Success ─────────────────────────────────────────────── */
#doab-booking-app .doab-success { text-align: center; padding: 16px 0; }
#doab-booking-app .doab-success-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 100px; height: 100px; border-radius: 50%;
    background: linear-gradient(135deg,rgba(0,212,170,.12),rgba(0,212,170,.04));
    margin-bottom: 20px; color: var(--doab-accent);
    animation: doabPop .5s cubic-bezier(.68,-.55,.27,1.55);
}
@keyframes doabPop { 0%{transform:scale(0)} 100%{transform:scale(1)} }
#doab-booking-app .doab-success-msg {
    font-size: 18px; color: var(--doab-text-muted);
    margin: 8px auto 24px; max-width: 480px; line-height: 1.55;
}
#doab-booking-app .doab-booking-summary {
    display: inline-flex; flex-direction: column; gap: 10px;
    background: var(--doab-bg); border: 1px solid var(--doab-border);
    border-radius: var(--doab-radius-sm); padding: 24px 36px;
    margin-bottom: 24px; text-align: left; font-size: 17px;
}
#doab-booking-app .doab-summary-row { display: flex; gap: 12px; align-items: center; }
#doab-booking-app .doab-summary-row strong { color: var(--doab-primary); min-width: 90px; }
#doab-booking-app .doab-summary-row a { color: var(--doab-primary); word-break: break-all; }
#doab-booking-app .doab-success-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ─── Loading ─────────────────────────────────────────────── */
#doab-booking-app .doab-loading {
    position: absolute; inset: 0; background: rgba(255,255,255,.92);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    z-index: 100; border-radius: var(--doab-radius); backdrop-filter: blur(4px);
}
#doab-booking-app .doab-spinner {
    width: 44px; height: 44px; border: 3px solid var(--doab-border);
    border-top-color: var(--doab-accent); border-radius: 50%;
    animation: doabSpin .7s linear infinite; margin-bottom: 12px;
}
@keyframes doabSpin { to{transform:rotate(360deg)} }
#doab-booking-app .doab-loading p { font-size: 17px; color: var(--doab-text-muted); font-weight: 500; }

/* ─── Focus Visible (a11y keyboard navigation) ───────────── */
#doab-booking-app .doab-cal-day:focus-visible,
#doab-booking-app .doab-cal-nav:focus-visible,
#doab-booking-app .doab-slot:focus-visible {
    outline: 2px solid var(--doab-accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(0,212,170,.2);
}
#doab-booking-app .doab-btn:focus-visible,
#doab-booking-app .doab-gcal-btn:focus-visible,
#doab-booking-app .doab-ics-btn:focus-visible,
#doab-booking-app .doab-meet-btn:focus-visible,
#doab-booking-app .doab-whatsapp-btn:focus-visible {
    outline: 2px solid var(--doab-accent);
    outline-offset: 2px;
}
#doab-booking-app .doab-field input:focus-visible,
#doab-booking-app .doab-field textarea:focus-visible {
    outline: none; /* already has border-color + box-shadow on :focus */
}

/* ─── Toast ───────────────────────────────────────────────── */
.doab-toast {
    position: fixed; bottom: 32px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--doab-danger); color: #fff;
    padding: 14px 26px; border-radius: var(--doab-radius-sm);
    font-size: 17px; font-weight: 500; font-family: var(--doab-font);
    z-index: 9999; box-shadow: 0 8px 24px rgba(231,76,60,.3);
    opacity: 0; transition: all .3s ease; max-width: 90%; text-align: center;
}
.doab-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width:660px) {
    #doab-booking-app { margin: 20px auto; }
    #doab-booking-app .doab-panel { padding: 24px; }
    #doab-booking-app .doab-progress { gap: 0; }
    #doab-booking-app .doab-step span { display: none; }
    #doab-booking-app .doab-step-line { flex: 0 0 24px; }
    #doab-booking-app .doab-datetime-grid { grid-template-columns: 1fr; }
    #doab-booking-app .doab-form-grid { grid-template-columns: 1fr; }
    #doab-booking-app .doab-title { font-size: 24px; }
    #doab-booking-app .doab-subtitle { font-size: 16px; }
    /* Calendar scales proportionally on mobile */
    #doab-booking-app .doab-cal-header { font-size: 15px; }
    #doab-booking-app .doab-cal-day { font-size: 13px; }
    #doab-booking-app .doab-cal-weekdays span { font-size: 10px; }
    #doab-booking-app .doab-cal-note { font-size: 12px; }
    #doab-booking-app .doab-slot { font-size: 15px; padding: 10px 12px; }
    #doab-booking-app .doab-slots-list h4 { font-size: 13px; }
    #doab-booking-app #doab-slots-container { grid-template-columns: repeat(2,1fr); }
    #doab-booking-app .doab-booking-summary { padding: 20px; width: 100%; }
    #doab-booking-app .doab-actions,
    #doab-booking-app .doab-actions-between { flex-direction: column-reverse; }
    #doab-booking-app .doab-btn { width: 100%; justify-content: center; }
    #doab-booking-app .doab-success-actions { flex-direction: column; align-items: stretch; }
    #doab-booking-app .doab-gcal-btn,
    #doab-booking-app .doab-ics-btn,
    #doab-booking-app .doab-meet-btn,
    #doab-booking-app .doab-whatsapp-btn { justify-content: center; }
    /* Prevent iOS zoom — inputs MUST be 16px+ */
    #doab-booking-app .doab-field input,
    #doab-booking-app .doab-field textarea { font-size: 17px; }
}