/* ========================================
   CALENDAR COMPONENT
   ======================================== */

/* Calendly-style Integrated Container */
.icb-calendly-container {
    display: flex;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 20px 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    min-height: 500px;
    position: relative;
}

/* Loading Spinner */
.icb-calendly-container.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.icb-calendly-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: icb-spin 1s linear infinite;
    z-index: 11;
}

@keyframes icb-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.icb-calendly-calendar {
    flex: 1;
    padding: 30px;
    border-right: 1px solid #e0e0e0;
    background: #fafafa;
}

.icb-calendly-times {
    flex: 1;
    padding: 30px;
    background: white;
    display: flex;
    flex-direction: column;
}

/* Calendar Header */
.icb-calendly-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.icb-calendly-nav {
    background: none;
    border: none;
    font-size: 20px;
    color: #6b7280;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.icb-calendly-nav:hover {
    background: #f3f4f6;
    color: #374151;
}

.icb-calendly-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.icb-calendly-month-year {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

/* Calendar Grid */
.icb-calendly-calendar-grid {
    display: flex;
    flex-direction: column;
}

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

.icb-calendly-weekday {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: #6b7280;
    padding: 8px 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.icb-calendly-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.icb-calendly-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    background: transparent;
    color: #374151;
}

.icb-calendly-day:hover {
    background: #f3f4f6;
}

.icb-calendly-day.available {
    background: #dbeafe;
    color: #1e40af;
    font-weight: 600;
}

.icb-calendly-day.available:hover {
    background: #bfdbfe;
    transform: scale(1.05);
}

.icb-calendly-day.selected {
    background: #3b82f6;
    color: white;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.icb-calendly-day.selected:hover {
    background: #3b82f6;
    color: white;
}

.icb-calendly-day.unavailable {
    color: #d1d5db;
    background-color: #f9fafb;
    cursor: not-allowed;
    opacity: 0.5;
}

.icb-calendly-day.unavailable:hover {
    background-color: #f3f4f6;
    transform: none;
}

.icb-calendly-day.other-month {
    color: #d1d5db;
}

/* Time Slots Section */
.icb-calendly-times-header {
    margin-bottom: 20px;
    text-align: center;
}

.icb-calendly-times-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin: 0 0 5px 0;
}

.icb-calendly-times-subtitle {
    font-size: 14px;
    color: #6b7280;
    margin: 0;
}

.icb-calendly-times-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.icb-calendly-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: #6b7280;
}

.icb-calendly-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #e5e7eb;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.icb-calendly-times-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(max(5.5rem, calc((100% - 1rem) / 3)), 1fr));
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    align-items: stretch;
}

.icb-calendly-time-slot {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 8px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.icb-calendly-time-slot:hover {
    background: #e0f2fe;
    border-color: #0ea5e9;
}

.icb-calendly-time-slot.selected {
    background: #0ea5e9;
    border-color: #0ea5e9;
    color: white;
    font-weight: 600;
}

.icb-calendly-time-slot.overtime {
    border: 2px solid #f59e0b;
    background: #fef3c7;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 24px;
}

.icb-calendly-time-slot.overtime:hover {
    background: #fde68a;
    border-color: #f59e0b;
}

.icb-calendly-time-slot.overtime.selected {
    background: #f59e0b;
    border-color: #f59e0b;
    color: white;
}

.icb-overtime-badge {
    display: block;
    font-size: 10px;
    background: #dc2626;
    color: white;
    padding: 2px 4px;
    border-radius: 0px 0px 6px 6px;
    font-weight: 600;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.icb-calendly-time-slot.overtime.selected .icb-overtime-badge {
    background: rgba(255, 255, 255, 0.3);
}

.icb-calendly-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: #9ca3af;
    text-align: center;
}

.icb-calendly-placeholder-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.icb-calendly-placeholder p {
    margin: 0;
    font-size: 14px;
}

/* Responsive Design for Calendar */
@media (max-width: 1023px) {
    .icb-calendly-container {
        margin: 0;
        max-width: none;
        width: 100%;
        min-height: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .icb-calendly-calendar {
        padding: 12px 16px 16px;
    }

    .icb-calendly-calendar-header {
        margin-bottom: 8px;
    }

    .icb-calendly-nav {
        padding: 4px;
        font-size: 18px;
    }

    .icb-calendly-month-year {
        font-size: 16px;
    }

    .icb-calendly-weekdays {
        margin-bottom: 4px;
    }

    .icb-calendly-weekday {
        padding: 4px 2px;
        font-size: 11px;
    }

    .icb-calendly-times {
        padding: 12px 16px 16px;
    }

    .icb-calendly-times-grid {
        grid-template-columns: repeat(auto-fit, minmax(max(4.75rem, calc((100% - 12px) / 3)), 1fr));
        gap: 6px;
        max-height: none;
    }

    .icb-calendly-time-slot {
        padding: 8px 4px;
        font-size: 13px;
        border-width: 1px;
        border-radius: 6px;
    }

    .icb-calendly-time-slot.overtime {
        padding-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .icb-calendly-container {
        flex-direction: column;
        max-width: 100%;
    }
    
    .icb-calendly-calendar {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        padding: 12px 14px 16px;
    }
    
    .icb-calendly-times {
        padding: 12px 14px 16px;
    }
    
    .icb-calendly-times-header h4 {
        font-size: 14px;
        margin-bottom: 4px;
    }
    
    .icb-calendly-times-header p {
        font-size: 12px;
        margin-bottom: 8px;
    }
    
    .icb-calendly-time-slot {
        padding: 8px 4px;
        font-size: 13px;
    }
}