/* Frontend CSS for GRG Booking (Premium & Responsive) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== CSS Variables (overridden by admin theme colors) ===== */
.grg-frontend-wrapper {
    --grg-primary: var(--grg-color-primary, #111827);
    --grg-primary-hover: var(--grg-color-primary-hover, #374151);
    --grg-accent: var(--grg-color-accent, #f59e0b);
    --grg-success: var(--grg-color-success, #10b981);
    --grg-danger: var(--grg-color-danger, #ef4444);
    --grg-text: var(--grg-color-text, #1f2937);
    --grg-text-secondary: var(--grg-color-text-secondary, #6b7280);
    --grg-bg: var(--grg-color-bg, #ffffff);
    --grg-surface: var(--grg-color-surface, #f9fafb);
    --grg-border: var(--grg-color-border, #e5e7eb);

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    max-width: 860px;
    margin: 40px auto;
    color: var(--grg-text);
    padding: 0 15px;
}

/* ===== STEPPER ===== */
.grg-booking-stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
    background: var(--grg-bg);
    padding: 18px 20px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    overflow-x: auto;
    gap: 4px;
}

.grg-booking-stepper .step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #9ca3af;
    font-weight: 500;
    font-size: 13px;
    padding: 8px 14px;
    border-radius: 10px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.grg-booking-stepper .step .step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #e5e7eb;
    color: #9ca3af;
    font-weight: 700;
    font-size: 13px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.grg-booking-stepper .step.active {
    color: var(--grg-primary);
    font-weight: 700;
}

.grg-booking-stepper .step.active .step-num {
    background: var(--grg-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(17,24,39,0.2);
}

.grg-booking-stepper .step.completed .step-num {
    background: var(--grg-success);
    color: #fff;
}

/* ===== STEP CONTENT ===== */
.grg-step-content {
    display: none;
    background: var(--grg-bg);
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04);
    animation: grgFadeIn 0.35s ease-out;
}

.grg-step-content.active { display: block; }
.grg-step-content h3 { margin-top: 0; margin-bottom: 25px; font-weight: 700; font-size: 22px; color: var(--grg-text); }

@keyframes grgFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== GRIDS ===== */
.grg-services-grid, .grg-staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 15px;
}

.grg-card-selectable {
    border: 2px solid var(--grg-border);
    border-radius: 14px;
    padding: 20px 15px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    background: var(--grg-bg);
    position: relative;
}

.grg-card-selectable:hover {
    border-color: #d1d5db;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.grg-card-selectable.selected {
    border-color: var(--grg-primary);
    background: var(--grg-surface);
    box-shadow: 0 0 0 3px rgba(17,24,39,0.08);
}

.grg-card-selectable.selected::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 10px;
    background: var(--grg-primary);
    color: #fff;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.grg-card-icon {
    font-size: 28px;
    margin-bottom: 8px;
    opacity: 0.7;
}

.grg-card-title { font-weight: 700; font-size: 16px; margin-bottom: 6px; color: var(--grg-text); }
.grg-card-subtitle { color: var(--grg-text-secondary); font-size: 14px; font-weight: 500; }
.grg-avatar { width: 70px; height: 70px; border-radius: 50%; object-fit: cover; margin-bottom: 10px; border: 3px solid var(--grg-border); }

/* ===== FORM INPUTS ===== */
.grg-form-group { margin-bottom: 18px; }
.grg-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--grg-text);
}
.grg-field-label {
    font-weight: 700;
    font-size: 14px;
    color: var(--grg-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.grg-input {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--grg-border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    box-sizing: border-box;
    transition: border 0.25s, box-shadow 0.25s;
    background: var(--grg-bg);
    color: var(--grg-text);
}
.grg-input:focus {
    border-color: var(--grg-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(17,24,39,0.06);
}

/* ===== DATE & TIME ===== */
.grg-datetime-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    align-items: start;
}

.grg-calendar-wrapper, .grg-times-wrapper {
    background: var(--grg-surface);
    border-radius: 14px;
    padding: 20px;
    border: 1px solid var(--grg-border);
}

/* Flatpickr Premium Styling */
.grg-calendar-wrapper .flatpickr-calendar {
    box-shadow: none !important;
    border: none !important;
    width: 100% !important;
    background: transparent !important;
}

.grg-calendar-wrapper .flatpickr-months {
    margin-bottom: 8px;
}

.grg-calendar-wrapper .flatpickr-day.selected,
.grg-calendar-wrapper .flatpickr-day.selected:hover {
    background: var(--grg-primary) !important;
    border-color: var(--grg-primary) !important;
    color: #fff !important;
}

.grg-calendar-wrapper .flatpickr-day:hover {
    background: var(--grg-surface) !important;
}

.grg-time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
}

.grg-time-slot {
    padding: 10px 6px;
    text-align: center;
    border: 2px solid var(--grg-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
    font-weight: 600;
    color: var(--grg-text);
}
.grg-time-slot:hover { border-color: var(--grg-primary); background: var(--grg-surface); }
.grg-time-slot.selected {
    background: var(--grg-primary);
    color: #fff;
    border-color: var(--grg-primary);
    box-shadow: 0 2px 8px rgba(17,24,39,0.15);
}

.grg-helper-text {
    color: var(--grg-text-secondary);
    font-size: 14px;
    text-align: center;
    padding: 20px 0;
}

/* ===== BUTTONS ===== */
.grg-step-actions { display: flex; justify-content: space-between; margin-top: 30px; gap: 15px; }
.grg-btn {
    padding: 13px 28px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    font-size: 15px;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
}
.grg-btn-primary { background: var(--grg-primary); color: #fff; flex: 1; }
.grg-btn-primary:hover { background: var(--grg-primary-hover); box-shadow: 0 4px 12px rgba(17,24,39,0.15); transform: translateY(-1px); }
.grg-btn-secondary { background: var(--grg-surface); color: var(--grg-text-secondary); border: 2px solid var(--grg-border); }
.grg-btn-secondary:hover { background: var(--grg-border); color: var(--grg-text); }

/* ===== SUMMARY & PAYMENT ===== */
.grg-summary-box {
    background: var(--grg-surface);
    padding: 22px;
    border-radius: 14px;
    margin-bottom: 22px;
    border: 1px solid var(--grg-border);
}
.grg-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 15px;
}
.grg-summary-label { color: var(--grg-text-secondary); }
.grg-summary-value { font-weight: 600; color: var(--grg-text); }
.grg-summary-divider { border-top: 2px dashed var(--grg-border); margin: 8px 0; }
.grg-summary-total .grg-summary-value { font-size: 20px; font-weight: 800; }

.grg-payment-option {
    display: flex;
    align-items: center;
    padding: 16px;
    border: 2px solid var(--grg-border);
    border-radius: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
}
.grg-payment-option:hover { border-color: #d1d5db; }
.grg-payment-option input[type="radio"] { margin-right: 15px; width: 18px; height: 18px; accent-color: var(--grg-primary); }
.grg-payment-option input[type="radio"]:checked ~ .grg-payment-info { color: var(--grg-text); }
.grg-payment-info { display: flex; flex-direction: column; }
.grg-payment-title { font-weight: 700; font-size: 15px; }
.grg-payment-desc { font-size: 13px; color: var(--grg-text-secondary); margin-top: 2px; }

/* ===== SUCCESS ICON ===== */
.grg-success-icon { margin-bottom: 5px; }
.grg-success-icon svg { display: inline-block; }

/* ===== LOADING ===== */
.grg-loading-spinner { text-align: center; padding: 30px; }
.grg-loading-spinner p { color: var(--grg-text-secondary); font-size: 14px; margin-top: 10px; }
.grg-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--grg-border);
    border-top-color: var(--grg-primary);
    border-radius: 50%;
    animation: grgSpin 0.7s linear infinite;
    margin: 0 auto;
}
.grg-spinner-inline {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: grgSpin 0.7s linear infinite;
    vertical-align: middle;
}
@keyframes grgSpin { to { transform: rotate(360deg); } }

/* ===== SIGNUP / LOGIN FORMS ===== */
.grg-signup-box, .grg-form-container {
    max-width: 460px;
    margin: 0 auto;
    background: var(--grg-bg);
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04);
}

.grg-form-header {
    text-align: center;
    margin-bottom: 25px;
}
.grg-form-header .grg-form-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--grg-surface);
    color: var(--grg-primary);
    margin-bottom: 12px;
}
.grg-form-header h3 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 800;
}
.grg-form-subtitle {
    color: var(--grg-text-secondary);
    font-size: 15px;
    margin: 0;
}

.grg-auth-form .grg-form-group label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.grg-form-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--grg-text-secondary);
}
.grg-form-footer a { color: var(--grg-primary); font-weight: 600; text-decoration: none; }
.grg-form-footer a:hover { text-decoration: underline; }

.grg-alert { padding: 14px 18px; border-radius: 12px; margin-bottom: 20px; font-size: 14px; }
.grg-alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

/* ===== DASHBOARD ===== */
.grg-dashboard-wrapper { max-width: 900px; }

.grg-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.grg-dashboard-welcome h2 { margin: 0 0 5px; font-size: 24px; font-weight: 800; color: var(--grg-text); }
.grg-dashboard-welcome p { margin: 0; color: var(--grg-text-secondary); font-size: 15px; }

.grg-dashboard-stats { display: flex; gap: 12px; }
.grg-stat-badge {
    background: var(--grg-bg);
    border: 1px solid var(--grg-border);
    border-radius: 12px;
    padding: 10px 18px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.grg-stat-number { display: block; font-size: 22px; font-weight: 800; color: var(--grg-primary); }
.grg-stat-label { font-size: 11px; color: var(--grg-text-secondary); text-transform: uppercase; font-weight: 600; letter-spacing: 0.5px; }

/* Dashboard Tabs */
.grg-dashboard-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    background: var(--grg-surface);
    padding: 6px;
    border-radius: 14px;
    border: 1px solid var(--grg-border);
    flex-wrap: wrap;
}

.grg-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    color: var(--grg-text-secondary);
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.grg-tab-btn:hover { background: var(--grg-bg); color: var(--grg-text); }
.grg-tab-btn.active {
    background: var(--grg-bg);
    color: var(--grg-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
.grg-tab-btn svg { opacity: 0.6; }
.grg-tab-btn.active svg { opacity: 1; }

.grg-tab-count {
    background: var(--grg-primary);
    color: #fff;
    padding: 1px 7px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
}

.grg-tab-logout { margin-left: auto; color: var(--grg-danger); }
.grg-tab-logout:hover { background: #fef2f2; }

/* Tab Panels */
.grg-tab-panel { display: none; }
.grg-tab-panel.active { display: block; animation: grgFadeIn 0.3s ease-out; }

/* Booking Cards */
.grg-booking-card {
    background: var(--grg-bg);
    border: 1px solid var(--grg-border);
    border-radius: 16px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.grg-booking-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); transform: translateY(-1px); }
.grg-booking-past { opacity: 0.75; }

.grg-booking-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px 22px 12px;
}

.grg-booking-info h4 { margin: 0 0 8px; font-size: 17px; font-weight: 700; color: var(--grg-text); }

.grg-booking-meta { display: flex; flex-wrap: wrap; gap: 12px; }
.grg-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: var(--grg-text-secondary);
}
.grg-meta-item svg { opacity: 0.5; }
.grg-payment-tag { color: #7c3aed; font-weight: 600; }

.grg-booking-price {
    font-size: 20px;
    font-weight: 800;
    color: var(--grg-text);
    white-space: nowrap;
}

.grg-booking-card-bottom {
    padding: 10px 22px 16px;
}

/* Status Badges */
.grg-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.grg-status-pending { background: #fef3c7; color: #92400e; }
.grg-status-approved { background: #d1fae5; color: #065f46; }
.grg-status-completed { background: #dbeafe; color: #1e40af; }
.grg-status-cancelled { background: #fee2e2; color: #991b1b; }

/* Empty State */
.grg-empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--grg-text-secondary);
}
.grg-empty-state svg { margin-bottom: 15px; }
.grg-empty-state h4 { font-size: 18px; margin: 0 0 8px; color: var(--grg-text); }
.grg-empty-state p { margin: 0; font-size: 14px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .grg-booking-stepper { padding: 12px 8px; gap: 2px; }
    .grg-booking-stepper .step .step-label { display: none; }
    .grg-booking-stepper .step .step-num { width: 32px; height: 32px; }
    
    .grg-step-content { padding: 22px 18px; border-radius: 14px; }
    
    .grg-datetime-container { grid-template-columns: 1fr; }
    
    .grg-step-actions { flex-direction: column-reverse; }
    .grg-step-actions .grg-btn { width: 100%; text-align: center; }
    
    .grg-dashboard-header { flex-direction: column; text-align: center; }
    .grg-dashboard-stats { justify-content: center; }
    
    .grg-dashboard-tabs { flex-direction: column; }
    .grg-tab-logout { margin-left: 0; }
    
    .grg-booking-card-top { flex-direction: column; gap: 10px; }
    .grg-booking-price { font-size: 18px; }
    
    .grg-services-grid, .grg-staff-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

@media (max-width: 480px) {
    .grg-frontend-wrapper { margin: 20px auto; }
    .grg-step-content { padding: 18px 14px; }
    .grg-services-grid, .grg-staff-grid { grid-template-columns: 1fr; }
    .grg-time-slots { grid-template-columns: repeat(3, 1fr); }
}