/* ═══════════════════════════════════════════════════════════════════════════════
   🐴 ECO CLEAN - BOOKING CALENDAR v3.0 STYLES
   ═══════════════════════════════════════════════════════════════════════════════
   CENTAUR TRIAD Edition - Dynamic Slot Selector
   LIGHT THEME - White/Green Design
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════════════════════════════════
   VARIABLES - LIGHT THEME
   ═══════════════════════════════════════════════════════════════════════════════ */
:root {
    --cal-accent: #00cc6a;
    --cal-accent-dark: #00a855;
    --cal-accent-light: #e6fff2;
    --cal-bg: #ffffff;
    --cal-bg-card: #f8f9fa;
    --cal-bg-hover: #f0f0f0;
    --cal-border: #e0e0e0;
    --cal-border-dark: #cccccc;
    --cal-text: #1a1a1a;
    --cal-text-secondary: #666666;
    --cal-warning: #f59e0b;
    --cal-warning-light: #fef3c7;
    --cal-danger: #ef4444;
    --cal-danger-light: #fee2e2;
    --cal-success: #00cc6a;
    --cal-success-light: #d1fae5;
    --cal-booked: #9ca3af;
    --cal-radius: 12px;
    --cal-radius-sm: 8px;
    --cal-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --cal-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   BASE CALENDAR STYLES
   ═══════════════════════════════════════════════════════════════════════════════ */
.booking-calendar {
    background: var(--cal-bg);
    border-radius: var(--cal-radius);
    padding: 20px;
    border: 1px solid var(--cal-border);
    box-shadow: var(--cal-shadow);
}

.booking-calendar-placeholder,
.booking-calendar-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--cal-text-secondary);
    text-align: center;
    background: var(--cal-bg);
    border-radius: var(--cal-radius);
    border: 1px solid var(--cal-border);
}

.calendar-placeholder-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.6;
}

.calendar-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--cal-border);
    border-top-color: var(--cal-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Duration Info */
.calendar-duration-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--cal-accent-light);
    border: 1px solid var(--cal-accent);
    border-radius: var(--cal-radius-sm);
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: var(--cal-text);
}

.duration-icon {
    font-size: 1.2rem;
}

.calendar-duration-info strong {
    color: var(--cal-accent-dark);
}

/* Calendar Header */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.calendar-month-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--cal-text);
}

.calendar-nav-btn {
    background: var(--cal-bg);
    border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm);
    padding: 8px 12px;
    cursor: pointer;
    color: var(--cal-text);
    transition: all 0.2s ease;
}

.calendar-nav-btn:hover {
    background: var(--cal-bg-hover);
    border-color: var(--cal-accent);
    color: var(--cal-accent);
}

/* Weekdays */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.calendar-weekday {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cal-text-secondary);
    padding: 8px 0;
    text-transform: uppercase;
}

/* Calendar Days */
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--cal-radius-sm);
    font-size: 0.9rem;
    position: relative;
    transition: all 0.2s ease;
    background: var(--cal-bg-card);
    border: 1px solid transparent;
    color: var(--cal-text);
}

.calendar-day.empty {
    background: transparent;
}

.calendar-day .day-number {
    font-weight: 500;
}

.calendar-day.clickable {
    cursor: pointer;
}

.calendar-day.clickable:hover {
    background: var(--cal-bg-hover);
    border-color: var(--cal-accent);
    transform: scale(1.05);
    box-shadow: var(--cal-shadow-hover);
}

/* Day Status Colors - LIGHT THEME */
.calendar-day.free {
    background: var(--cal-success-light);
    color: var(--cal-accent-dark);
    border-color: var(--cal-accent);
}

.calendar-day.limited {
    background: var(--cal-warning-light);
    color: #b45309;
    border-color: var(--cal-warning);
}

.calendar-day.zone_blocked {
    background: var(--cal-danger-light);
    color: var(--cal-danger);
    border-color: var(--cal-danger);
}

.calendar-day.full,
.calendar-day.unavailable {
    background: var(--cal-bg-card);
    color: var(--cal-booked);
    opacity: 0.6;
}

.calendar-day.not_enough_time {
    background: #fef2f2;
    color: #dc2626;
    border: 1px dashed #fca5a5;
}

.calendar-day.selected {
    background: var(--cal-accent) !important;
    color: #ffffff !important;
    font-weight: 600;
    border-color: var(--cal-accent-dark) !important;
    box-shadow: 0 0 0 3px rgba(0, 204, 106, 0.3);
}

/* Slots Count Badge */
.day-slots-count {
    position: absolute;
    bottom: 2px;
    right: 2px;
    font-size: 0.6rem;
    background: var(--cal-accent);
    color: #fff;
    padding: 1px 4px;
    border-radius: 4px;
    font-weight: 600;
}

/* Legend */
.calendar-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--cal-border);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--cal-text-secondary);
}

.legend-dot {
    width: 14px;
    height: 14px;
    border-radius: 4px;
    border: 1px solid;
}

.legend-dot.free {
    background: var(--cal-success-light);
    border-color: var(--cal-accent);
}

.legend-dot.limited {
    background: var(--cal-warning-light);
    border-color: var(--cal-warning);
}

.legend-dot.zone_blocked {
    background: var(--cal-danger-light);
    border-color: var(--cal-danger);
}

.legend-dot.not_enough_time {
    background: #fef2f2;
    border-color: #fca5a5;
    border-style: dashed;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   SLOT SELECTOR VIEW
   ═══════════════════════════════════════════════════════════════════════════════ */

.booking-calendar.slot-view {
    padding: 0;
    overflow: hidden;
}

.slot-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    background: linear-gradient(135deg, var(--cal-accent-light) 0%, var(--cal-bg) 100%);
    border-bottom: 1px solid var(--cal-border);
}

.back-btn {
    background: none;
    border: none;
    color: var(--cal-accent-dark);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0;
    text-align: left;
    transition: opacity 0.2s;
}

.back-btn:hover {
    opacity: 0.7;
    text-decoration: underline;
}

.slot-date {
    margin: 0;
    font-size: 1.3rem;
    color: var(--cal-text);
}

.slot-duration-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--cal-accent-light);
    border: 1px solid var(--cal-accent);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: var(--cal-accent-dark);
    font-weight: 500;
    width: fit-content;
}

.slot-section-title {
    margin: 0;
    padding: 16px 20px 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cal-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Slots List */
.slots-list {
    padding: 0 12px 12px;
}

.slot-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    margin: 8px 0;
    background: var(--cal-bg);
    border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm);
    transition: all 0.2s ease;
}

.slot-item.available {
    cursor: pointer;
}

.slot-item.available:hover {
    background: var(--cal-bg-hover);
    border-color: var(--cal-accent);
    transform: translateX(4px);
    box-shadow: var(--cal-shadow);
}

.slot-item.selected {
    background: var(--cal-accent-light);
    border-color: var(--cal-accent);
    border-width: 2px;
}

.slot-item.booked {
    opacity: 0.6;
    background: repeating-linear-gradient(45deg,
            var(--cal-bg-card),
            var(--cal-bg-card) 10px,
            var(--cal-bg-hover) 10px,
            var(--cal-bg-hover) 20px);
}

.slot-item.too-short {
    opacity: 0.6;
    background: #fef2f2;
}

.slot-time {
    min-width: 80px;
}

.slot-start {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--cal-text);
}

.slot-end {
    font-size: 0.8rem;
    color: var(--cal-text-secondary);
    display: block;
}

.slot-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.slot-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.slot-badge.first {
    background: var(--cal-success-light);
    color: var(--cal-accent-dark);
    border: 1px solid var(--cal-accent);
}

.slot-badge.later {
    background: var(--cal-warning-light);
    color: #b45309;
    border: 1px solid var(--cal-warning);
}

.slot-badge.booked {
    background: var(--cal-bg-card);
    color: var(--cal-booked);
    border: 1px solid var(--cal-border);
}

.slot-badge.too-short {
    background: var(--cal-danger-light);
    color: var(--cal-danger);
    border: 1px solid var(--cal-danger);
}

.slot-duration {
    font-size: 0.85rem;
    color: var(--cal-text-secondary);
}

.fits-badge {
    color: var(--cal-accent-dark);
    margin-left: 8px;
    font-weight: 600;
}

.slot-arrow {
    font-size: 1.4rem;
    color: var(--cal-accent);
    opacity: 0;
    transition: opacity 0.2s;
}

.slot-item.available:hover .slot-arrow {
    opacity: 1;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   SELECTED SLOT DETAILS
   ═══════════════════════════════════════════════════════════════════════════════ */

.selected-slot-details {
    margin: 16px 12px;
    padding: 20px;
    background: var(--cal-bg);
    border: 2px solid var(--cal-accent);
    border-radius: var(--cal-radius);
    animation: slideUp 0.3s ease;
    box-shadow: var(--cal-shadow);
}

.selected-slot-details.needs-flex {
    border-color: var(--cal-warning);
    background: #fffbeb;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.selected-slot-details h4 {
    margin: 0 0 16px;
    color: var(--cal-accent-dark);
    font-size: 1.1rem;
}

/* Flexibility Warning */
.flexibility-warning {
    background: var(--cal-warning-light);
    border: 1px solid var(--cal-warning);
    border-radius: var(--cal-radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.flex-header {
    font-weight: 700;
    color: #b45309;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.flexibility-warning p {
    margin: 8px 0;
    color: var(--cal-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.flexibility-warning p strong {
    color: var(--cal-text);
}

.flex-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    padding: 12px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm);
    margin-top: 16px;
    transition: all 0.2s;
}

.flex-checkbox-label:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--cal-warning);
}

.flex-checkbox-label input {
    display: none;
}

.flex-checkbox-label .checkbox-custom {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 2px solid var(--cal-warning);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    background: var(--cal-bg);
}

.flex-checkbox-label input:checked+.checkbox-custom {
    background: var(--cal-warning);
}

.flex-checkbox-label input:checked+.checkbox-custom::after {
    content: '✓';
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.flex-checkbox-label span:last-child {
    font-size: 0.9rem;
    color: var(--cal-text);
    line-height: 1.4;
}

.flex-required {
    margin-top: 12px;
    padding: 10px;
    background: var(--cal-danger-light);
    border: 1px solid var(--cal-danger);
    border-radius: 6px;
    color: var(--cal-danger);
    font-size: 0.85rem;
    text-align: center;
    font-weight: 500;
}

/* Confirm Button */
.confirm-btn {
    width: 100%;
    padding: 16px;
    background: var(--cal-accent);
    border: none;
    border-radius: var(--cal-radius-sm);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(0, 204, 106, 0.3);
}

.confirm-btn:hover {
    background: var(--cal-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 204, 106, 0.4);
}

.confirm-btn.disabled {
    background: var(--cal-booked);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

.confirm-btn.disabled:hover {
    transform: none;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   CONFIRMED VIEW - SLOT SELECTED
   ═══════════════════════════════════════════════════════════════════════════════ */

.booking-calendar.confirmed {
    padding: 30px 20px;
    text-align: center;
}

.confirmed-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.confirmed-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.confirmed-title {
    margin: 0;
    font-size: 1.2rem;
    color: var(--cal-accent-dark);
    font-weight: 600;
}

.confirmed-date {
    margin: 0;
    font-size: 1rem;
    color: var(--cal-text);
}

.confirmed-time {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cal-accent-dark);
}

.change-btn {
    margin-top: 12px;
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--cal-border);
    border-radius: var(--cal-radius-sm);
    color: var(--cal-text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.change-btn:hover {
    border-color: var(--cal-accent);
    color: var(--cal-accent);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    .booking-calendar {
        padding: 12px;
        border-radius: var(--cal-radius-sm);
    }

    .calendar-day {
        font-size: 0.8rem;
    }

    .slot-item {
        padding: 12px;
        gap: 12px;
    }

    .slot-start {
        font-size: 1.2rem;
    }

    .slot-time {
        min-width: 60px;
    }

    .selected-slot-details {
        margin: 12px 8px;
        padding: 16px;
    }

    .calendar-legend {
        gap: 10px;
    }

    .legend-item {
        font-size: 0.7rem;
    }
}