/* ── I3 Appointment Booking — Frontend Styles (v2.1.0) ───────────────────── */

/* CSS variables are injected dynamically from PHP color settings via JS */
:root {
    --i3-color-active-day:      #2563eb;
    --i3-color-inactive-day:    #e5e7eb;
    --i3-color-available:       #22c55e;
    --i3-color-available-text:  #ffffff;
    --i3-color-available-hover: #16a34a;
    --i3-color-booked:          #ef4444;
    --i3-color-booked-text:     #ffffff;
    --i3-color-selected:        #1d4ed8;

    --i3-radius:   8px;
    --i3-shadow:   0 2px 12px rgba(0,0,0,.08);
    --i3-trans:    .18s ease;
    --i3-font:     inherit;
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.i3-booking-wrapper {
    font-family: var(--i3-font);
    max-width: 700px;
    margin: 0 auto;
}

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.i3-alert {
    padding: 12px 16px;
    border-radius: var(--i3-radius);
    margin-bottom: 16px;
    font-size: 15px;
}
.i3-alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.i3-alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.i3-alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ── Step ────────────────────────────────────────────────────────────────── */
#i3-appointment-calendar .ui-widget.ui-widget-content {
    border-radius: 10px;
}
.i3-step {
    background: #fff;
    border-radius: var(--i3-radius);
    box-shadow: var(--i3-shadow);
    padding: 24px;
    margin-bottom: 20px;
}
.i3-step h3 {
    margin: 0 0 18px;
    font-size: 18px;
    color: #111;
}

/* ── Step header with back button ─────────────────────────────────────────── */
.i3-step-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}
.i3-step-header h3 { margin: 0; }

/* ── Back button ─────────────────────────────────────────────────────────── */
.i3-back-btn {
    background: none;
    /*border: 1px solid #d1d5db;*/
    border-radius: 10px;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 14px;
    /*color: #374151;*/
    transition: var(--i3-trans);
    white-space: nowrap;
}
.i3-back-btn:hover {
    background: #feeae5;
    color: #9ca3af;
}

/* ── Calendar ─────────────────────────────────────────────────────────────── */
#i3-appointment-calendar {
    display: inline-block;
}
/* Override jQuery UI datepicker */
.ui-datepicker {
    border: 1px solid #e5e7eb;
    border-radius: var(--i3-radius);
    box-shadow: var(--i3-shadow);
    font-family: var(--i3-font);
    padding: 12px;
}
.ui-datepicker .ui-datepicker-header {
    background: var(--i3-color-active-day);
    color: #fff;
    border-radius: 6px 6px 0 0;
    border: none;
    padding: 8px;
}
.ui-datepicker .ui-datepicker-title { color: #fff; font-weight: 600; }
.ui-datepicker .ui-datepicker-prev,
.ui-datepicker .ui-datepicker-next {
    cursor: pointer;
    top: 6px;
}
.ui-datepicker .ui-datepicker-prev span,
.ui-datepicker .ui-datepicker-next span { display: none; }
.ui-datepicker .ui-datepicker-prev::after { content: '‹'; color: #fff; font-size: 20px; }
.ui-datepicker .ui-datepicker-next::after { content: '›'; color: #fff; font-size: 20px; }
.ui-datepicker td { padding: 2px; }
.ui-datepicker td a {
    text-align: center;
    border-radius: 4px;
    transition: opacity var(--i3-trans);
}
.ui-datepicker td a:hover { opacity: .85; }

/* ── Loader ───────────────────────────────────────────────────────────────── */
.i3-loader {
    text-align: center;
    padding: 20px;
    color: #666;
}
.i3-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #d1d5db;
    border-top-color: var(--i3-color-active-day);
    border-radius: 50%;
    animation: i3spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes i3spin { to { transform: rotate(360deg); } }

/* ── Time slots ───────────────────────────────────────────────────────────── */
#i3-time-slots {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.i3-time-slot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background var(--i3-trans), transform var(--i3-trans), box-shadow var(--i3-trans);
    min-width: 72px;
}
.i3-time-slot.available {
    background-color: var(--i3-color-available);
    color: var(--i3-color-available-text);
    border-radius: 10px;
}
.i3-time-slot.available:hover {
    background-color: var(--i3-color-available-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,.12);
}
.i3-time-slot.available:active {
    transform: translateY(0);
}
.i3-time-slot.booked {
    background-color: var(--i3-color-booked);
    color: var(--i3-color-booked-text);
    cursor: not-allowed;
    opacity: .75;
    border-radius: 10px;
}
.i3-no-slots {
    color: #6b7280;
    font-style: italic;
}

/* ── Form ─────────────────────────────────────────────────────────────────── */
.i3-form-summary {
    font-size: 14px;
    font-weight: 400;
    color: #6b7280;
    margin-left: 8px;
}
.i3-form-group {
    margin-bottom: 16px;
}
.i3-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 14px;
    color: #374151;
}
.i3-form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px !important;
    font-size: 15px;
    transition: border-color var(--i3-trans), box-shadow var(--i3-trans);
    box-sizing: border-box;
}
.i3-form-group input:focus {
    outline: none;
    border-color: var(--i3-color-active-day);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.i3-btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: var(--i3-color-active-day);
    color: #fff;
    border: none;
    border-radius: 10px !important;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--i3-trans), transform var(--i3-trans);
}
.i3-btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.i3-btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.i3-btn-secondary {
    display: inline-block;
    padding: 10px 22px;
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
    border-radius: 10px !important;
    font-size: 14px;
    cursor: pointer;
    transition: background var(--i3-trans);
}
.i3-btn-secondary:hover { background: #e5e7eb; }

/* ── Success box ──────────────────────────────────────────────────────────── */
.i3-success-box {
    text-align: center;
    padding: 8px 0;
}
.i3-success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #dcfce7;
    color: #166534;
    font-size: 32px;
    line-height: 64px;
    margin: 0 auto 16px;
}
.i3-success-box h3 { color: #166534; margin-bottom: 8px; }
.i3-success-box p  { color: #6b7280; font-size: 14px; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .i3-step { padding: 16px; }
    .i3-time-slot { min-width: 62px; font-size: 13px; padding: 8px 10px; }
    #i3-appointment-calendar { width: 100%; }
    .ui-datepicker { width: 100% !important; }
}

/* ── Print ────────────────────────────────────────────────────────────────── */
@media print {
    .i3-back-btn,
    .i3-btn-primary,
    .i3-btn-secondary { display: none; }
}