/* CalendarSync - Booking widget */

:root {
    --cs-primary: #0069ff;
    --cs-primary-hover: #0052cc;
    --cs-primary-light: #e8f0fe;
    --cs-text: #1a1a1a;
    --cs-text-light: #666666;
    --cs-text-muted: #999999;
    --cs-border: #e5e5e5;
    --cs-bg: #ffffff;
    --cs-bg-hover: #f5f7fa;
    --cs-bg-selected: #0069ff;
    --cs-success: #10b981;
    --cs-error: #ef4444;
    --cs-radius: 8px;
    --cs-radius-lg: 12px;
    --cs-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    --cs-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* Container - full width */
.calendarsync-container {
    font-family: var(--cs-font);
    width: 100%;
    background: var(--cs-bg);
    border-radius: var(--cs-radius-lg);
    box-shadow: var(--cs-shadow);
    border: 1px solid var(--cs-border);
    overflow: hidden;
    position: relative;
    color: var(--cs-text);
    line-height: 1.5;
    box-sizing: border-box;
}

.calendarsync-container *,
.calendarsync-container *::before,
.calendarsync-container *::after {
    box-sizing: border-box;
}

/* Brand header */
.calendarsync-brand {
    padding: 24px 28px;
    border-bottom: 1px solid var(--cs-border);
}

.calendarsync-brand-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--cs-text-light);
    margin-bottom: 4px;
}

.calendarsync-brand-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--cs-text);
    margin: 0;
}

.calendarsync-brand-duration {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--cs-text-light);
    margin-top: 8px;
}

.calendarsync-brand-duration svg {
    flex-shrink: 0;
}

/* Steps */
.calendarsync-step {
    display: none;
}

.calendarsync-step.active {
    display: block;
    animation: cs-fadeIn 0.25s ease-out;
}

@keyframes cs-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Booking layout: calendar + slots 50/50 */
.calendarsync-booking-layout {
    display: flex;
    min-height: 420px;
}

/* Calendar panel (left 50%) */
.calendarsync-calendar-panel {
    width: 50%;
    flex-shrink: 0;
    padding: 24px;
    border-right: 1px solid var(--cs-border);
}

.calendarsync-calendar-subtitle {
    font-size: 15px;
    font-weight: 600;
    color: var(--cs-text);
    margin-bottom: 16px;
}

/* Month navigation */
.calendarsync-month-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.calendarsync-month-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--cs-text);
}

.calendarsync-nav-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--cs-border);
    border-radius: 50%;
    cursor: pointer;
    color: var(--cs-text);
    transition: background 0.15s, border-color 0.15s;
}

.calendarsync-nav-btn:hover {
    background: var(--cs-bg-hover);
    border-color: #ccc;
}

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

.calendarsync-weekday {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--cs-text-muted);
    text-transform: uppercase;
    padding: 6px 0;
    letter-spacing: 0.5px;
}

/* Calendar grid */
.calendarsync-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
}

.calendarsync-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--cs-font);
    border: none;
    border-radius: 50%;
    background: none;
    cursor: default;
    color: var(--cs-text-muted);
    transition: all 0.15s;
    padding: 0;
    width: 100%;
}

.calendarsync-day--empty {
    visibility: hidden;
}

.calendarsync-day--available {
    color: var(--cs-text);
    cursor: pointer;
    font-weight: 600;
}

.calendarsync-day--available:hover {
    background: var(--cs-primary-light);
    color: var(--cs-primary);
}

.calendarsync-day--selected {
    background: var(--cs-bg-selected) !important;
    color: white !important;
}

.calendarsync-day--today {
    position: relative;
}

.calendarsync-day--today::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--cs-primary);
}

.calendarsync-day--today.calendarsync-day--selected::after {
    background: white;
}

.calendarsync-day--past,
.calendarsync-day--unavailable {
    color: var(--cs-text-muted);
    opacity: 0.4;
}

.calendarsync-grid-loading,
.calendarsync-grid-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 0;
    color: var(--cs-text-light);
    font-size: 14px;
}

/* Slots panel (right 50%) */
.calendarsync-slots-panel {
    width: 50%;
    flex-shrink: 0;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

.calendarsync-slots-panel-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--cs-text);
    margin-bottom: 4px;
}

.calendarsync-slots-panel-date {
    font-size: 13px;
    color: var(--cs-text-light);
    margin-bottom: 16px;
}

/* Slots placeholder */
.calendarsync-slots-placeholder {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--cs-text-muted);
    font-size: 14px;
    padding: 20px;
}

.calendarsync-slots-placeholder svg {
    display: block;
    margin: 0 auto 12px;
    opacity: 0.3;
}

/* Slots list - 2 per row */
.calendarsync-slots-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    overflow-y: auto;
    padding-right: 4px;
}

.calendarsync-slots-list::-webkit-scrollbar {
    width: 4px;
}

.calendarsync-slots-list::-webkit-scrollbar-track {
    background: transparent;
}

.calendarsync-slots-list::-webkit-scrollbar-thumb {
    background: var(--cs-border);
    border-radius: 2px;
}

.calendarsync-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-weight: 500;
    font-family: var(--cs-font);
    color: var(--cs-primary);
    background: var(--cs-bg);
    border: 1px solid var(--cs-primary);
    border-radius: var(--cs-radius);
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}

.calendarsync-slot:hover {
    background: var(--cs-primary-light);
}

.calendarsync-slot--selected {
    background: var(--cs-primary);
    color: white;
}

/* Confirm button below slots */
.calendarsync-slots-confirm-btn {
    display: none;
    width: 100%;
    padding: 12px 24px;
    margin-top: 16px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--cs-font);
    color: white;
    background: var(--cs-primary);
    border: none;
    border-radius: var(--cs-radius);
    cursor: pointer;
    transition: background 0.15s;
    text-align: center;
}

.calendarsync-slots-confirm-btn.visible {
    display: block;
}

.calendarsync-slots-confirm-btn:hover {
    background: var(--cs-primary-hover);
}

.calendarsync-no-slots,
.calendarsync-slots-loading,
.calendarsync-slots-error {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 0;
    color: var(--cs-text-light);
    font-size: 14px;
}

/* Form layout - full width */
.calendarsync-form-layout {
    padding: 28px;
    max-width: 560px;
    margin: 0 auto;
}

/* Back button */
.calendarsync-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--cs-primary);
    font-size: 14px;
    font-family: var(--cs-font);
    cursor: pointer;
    padding: 0;
    margin-bottom: 20px;
}

.calendarsync-back-btn:hover {
    color: var(--cs-primary-hover);
}

.calendarsync-form-header {
    margin-bottom: 24px;
}

.calendarsync-form-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.calendarsync-form-header p {
    font-size: 14px;
    color: var(--cs-text-light);
    margin: 0;
}

/* Form */
.calendarsync-booking-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.calendarsync-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.calendarsync-field label {
    font-size: 14px;
    font-weight: 500;
    color: var(--cs-text);
}

.calendarsync-field input {
    padding: 10px 12px;
    font-size: 15px;
    font-family: var(--cs-font);
    border: 1px solid var(--cs-border);
    border-radius: var(--cs-radius);
    color: var(--cs-text);
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
    width: 100%;
}

.calendarsync-field input:focus {
    border-color: var(--cs-primary);
    box-shadow: 0 0 0 3px rgba(0, 105, 255, 0.1);
}

.calendarsync-form-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--cs-error);
    padding: 10px 12px;
    border-radius: var(--cs-radius);
    font-size: 14px;
}

.calendarsync-submit-btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--cs-font);
    color: white;
    background: var(--cs-primary);
    border: none;
    border-radius: var(--cs-radius);
    cursor: pointer;
    transition: background 0.15s;
    margin-top: 8px;
}

.calendarsync-submit-btn:hover {
    background: var(--cs-primary-hover);
}

.calendarsync-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Confirmation */
.calendarsync-confirmation {
    text-align: center;
    padding: 48px 28px;
}

.calendarsync-check-icon {
    margin-bottom: 16px;
}

.calendarsync-confirmation h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 12px 0;
    color: var(--cs-text);
}

.calendarsync-confirm-details {
    font-size: 15px;
    color: var(--cs-text);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.calendarsync-confirm-email {
    font-size: 14px;
    color: var(--cs-text-light);
    margin: 0;
}

/* Loading overlay */
.calendarsync-loading {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.calendarsync-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--cs-border);
    border-top-color: var(--cs-primary);
    border-radius: 50%;
    animation: cs-spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 680px) {
    .calendarsync-container {
        border-radius: 0;
        border-left: none;
        border-right: none;
        box-shadow: none;
    }

    .calendarsync-booking-layout {
        flex-direction: column;
        min-height: auto;
    }

    .calendarsync-calendar-panel {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--cs-border);
    }

    .calendarsync-slots-panel {
        width: 100%;
    }

    .calendarsync-slots-list {
        max-height: 300px;
    }

    .calendarsync-form-layout {
        padding: 20px;
    }
}