/**
 * czb-frontend.css — Frontend styles for Calendly Zelle Booking plugin.
 *
 * @package CalendlyZelleBooking
 */

/* ── Variables ──────────────────────────────────────────────────── */
:root {
    --czb-primary:       #0073aa;
    --czb-primary-dark:  #005a87;
    --czb-success:       #1a7a4a;
    --czb-success-bg:    #ecfdf5;
    --czb-error:         #b91c1c;
    --czb-error-bg:      #fef2f2;
    --czb-border:        #dde1e7;
    --czb-bg:            #f8f9fc;
    --czb-text:          #1e2030;
    --czb-muted:         #6b7280;
    --czb-radius:        8px;
    --czb-shadow:        0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
}

/* ── Loading spinner ────────────────────────────────────────────── */
.czb-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 32px;
    color: var(--czb-muted);
    font-size: 15px;
}
.czb-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--czb-border);
    border-top-color: var(--czb-primary);
    border-radius: 50%;
    animation: czb-spin .7s linear infinite;
}
@keyframes czb-spin { to { transform: rotate(360deg); } }

/* ── Admin notice ───────────────────────────────────────────────── */
.czb-admin-notice {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: var(--czb-radius);
    padding: 12px 16px;
    font-size: 14px;
}

/* ── Calendly wrapper ───────────────────────────────────────────── */
.czb-calendly-wrapper {
    width: 100%;
    border-radius: var(--czb-radius);
    overflow: hidden;
    box-shadow: var(--czb-shadow);
}

/* ── Payment page ───────────────────────────────────────────────── */
.czb-payment-page {
    max-width: 680px;
    margin: 0 auto;
    font-size: 15px;
    color: var(--czb-text);
}

/* Instructions box */
.czb-payment-instructions {
    background: var(--czb-bg);
    border: 1px solid var(--czb-border);
    border-radius: var(--czb-radius);
    padding: 24px;
    margin-bottom: 28px;
}
.czb-payment-instructions h3 {
    margin-top: 0;
    font-size: 18px;
}
.czb-zelle-box {
    background: #fff;
    border: 2px solid var(--czb-primary);
    border-radius: var(--czb-radius);
    padding: 16px 20px;
    margin: 16px 0;
}
.czb-zelle-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}
.czb-zelle-row:last-child { margin-bottom: 0; }
.czb-label { color: var(--czb-muted); min-width: 130px; font-size: 13px; }
.czb-value { font-size: 16px; }
.czb-amount { color: var(--czb-primary); font-size: 20px; }

.czb-steps {
    padding-left: 20px;
    margin-bottom: 0;
    line-height: 1.8;
}

/* ── Alerts ─────────────────────────────────────────────────────── */
.czb-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 18px;
    border-radius: var(--czb-radius);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}
.czb-alert-success {
    background: var(--czb-success-bg);
    color: var(--czb-success);
    border: 1px solid #a7f3d0;
}
.czb-alert-error {
    background: var(--czb-error-bg);
    color: var(--czb-error);
    border: 1px solid #fecaca;
}
.czb-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Form wrapper ───────────────────────────────────────────────── */
.czb-form-wrapper {
    background: #fff;
    border: 1px solid var(--czb-border);
    border-radius: var(--czb-radius);
    padding: 28px;
    box-shadow: var(--czb-shadow);
}
.czb-form-wrapper h3 {
    margin-top: 0;
    font-size: 18px;
    margin-bottom: 24px;
}

/* ── Form fields ─────────────────────────────────────────────────── */
.czb-field {
    margin-bottom: 20px;
}
.czb-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 14px;
}
.czb-required { color: var(--czb-error); }
.czb-optional { color: var(--czb-muted); font-weight: normal; font-size: 12px; }

.czb-field input[type="text"],
.czb-field input[type="email"],
.czb-field input[type="url"],
.czb-field textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 9px 12px;
    border: 1px solid var(--czb-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--czb-text);
    transition: border-color .15s, box-shadow .15s;
    background: #fff;
}
.czb-field input:focus,
.czb-field textarea:focus {
    outline: none;
    border-color: var(--czb-primary);
    box-shadow: 0 0 0 3px rgba(0,115,170,.15);
}

.czb-help {
    margin: 4px 0 0;
    font-size: 12px;
    color: var(--czb-muted);
}

/* ── Upload area ─────────────────────────────────────────────────── */
.czb-upload-area {
    border: 2px dashed var(--czb-border);
    border-radius: var(--czb-radius);
    padding: 16px;
    background: var(--czb-bg);
    transition: border-color .15s;
}
.czb-upload-area:hover,
.czb-upload-area--has-file {
    border-color: var(--czb-primary);
}
.czb-upload-hint {
    font-size: 12px;
    color: var(--czb-muted);
    margin: 6px 0 0;
}
.czb-preview-container {
    margin-top: 12px;
}
.czb-preview-container img {
    max-width: 100%;
    max-height: 220px;
    border-radius: 6px;
    border: 1px solid var(--czb-border);
    object-fit: contain;
    display: block;
}

/* ── Submit button ───────────────────────────────────────────────── */
.czb-submit-row { margin-top: 24px; }
.czb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background .15s, opacity .15s;
    text-decoration: none;
}
.czb-btn-primary {
    background: var(--czb-primary);
    color: #fff;
}
.czb-btn-primary:hover { background: var(--czb-primary-dark); }
.czb-btn--loading,
.czb-btn[disabled] {
    opacity: .65;
    cursor: not-allowed;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media ( max-width: 540px ) {
    .czb-form-wrapper { padding: 20px 16px; }
    .czb-payment-instructions { padding: 18px 14px; }
    .czb-zelle-row { flex-direction: column; gap: 2px; }
}