/**
 * @package     Joomla.Site
 * @subpackage  mod_gcalendar_booking
 * @copyright   (C) 2026 IFS-ERP Dariusz Mysliwiec
 * @license     GNU General Public License version 2 or later
 */

:root {
    /* Phoca Premiere inspired design tokens */
    --gcal-primary-color: #3b82f6;
    --gcal-secondary-color: #6b7280;
    --gcal-accent-color: #f59e0b;
    --gcal-success-color: #10b981;
    --gcal-warning-color: #f59e0b;
    --gcal-error-color: #ef4444;
    --gcal-info-color: #06b6d4;

    /* Text colors */
    --gcal-text-color: #1f2937;
    --gcal-text-color-light: #6b7280;
    --gcal-text-color-dark: #111827;

    /* Background colors */
    --gcal-bg-color: #ffffff;
    --gcal-bg-color-light: #f9fafb;
    --gcal-bg-color-dark: #1f2937;

    /* Border colors */
    --gcal-border-color: #e5e7eb;
    --gcal-border-color-light: #f3f4f6;

    /* Typography */
    --gcal-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --gcal-font-size: 1rem;
    --gcal-font-size-sm: 0.875rem;
    --gcal-font-size-lg: 1.125rem;
    --gcal-line-height: 1.6;
    --gcal-line-height-tight: 1.25;

    /* Spacing */
    --gcal-spacing-xs: 0.25rem;
    --gcal-spacing-sm: 0.5rem;
    --gcal-spacing-md: 1rem;
    --gcal-spacing-lg: 1.5rem;
    --gcal-spacing-xl: 2rem;
    --gcal-spacing-2xl: 3rem;

    /* Border radius */
    --gcal-border-radius: 0.5rem;
    --gcal-border-radius-sm: 0.25rem;
    --gcal-border-radius-md: 0.375rem;
    --gcal-border-radius-lg: 0.5rem;
    --gcal-border-radius-xl: 0.75rem;
    --gcal-border-radius-2xl: 1rem;

    /* Shadows */
    --gcal-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --gcal-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --gcal-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --gcal-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --gcal-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --gcal-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gcal-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    /* Focus */
    --gcal-focus-color: #3b82f6;
    --gcal-focus-width: 2px;
    --gcal-focus-offset: 2px;
}

.mod-gcalendar-wrapper {
    position: relative;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.mod-gcalendar-container {
    max-width: 100%;
    margin: 0 auto;
    height: var(--gcal-height, 600px);
    position: relative;
    background: #fff;
    border-radius: var(--gcal-border-radius);
    padding: 1rem;
    box-shadow: var(--gcal-shadow-sm);
    transition: var(--gcal-transition);
}

/* Scoped Styles for FullCalendar */
.mod-gcalendar-container .fc {
    font-family: var(--gcal-font-family);
    font-size: var(--gcal-font-size-sm);
    line-height: var(--gcal-line-height-tight);
    color: var(--gcal-text-color);
    background: var(--gcal-bg-color);
    border-radius: var(--gcal-border-radius-md);
}

.mod-gcalendar-container .fc-header-toolbar {
    margin-bottom: var(--gcal-spacing-lg) !important;
    flex-wrap: wrap;
    gap: var(--gcal-spacing-sm);
}

.mod-gcalendar-container .fc-toolbar-title {
    font-size: var(--gcal-font-size-lg) !important;
    font-weight: 600 !important;
    color: var(--gcal-text-color-dark) !important;
    margin: 0 !important;
}

.mod-gcalendar-container .fc-button-group {
    gap: var(--gcal-spacing-xs) !important;
}

.mod-gcalendar-container .fc-button-primary {
    background-color: var(--gcal-primary-color) !important;
    border-color: var(--gcal-primary-color) !important;
    border-radius: var(--gcal-border-radius-md) !important;
    font-weight: 500 !important;
    padding: var(--gcal-spacing-sm) var(--gcal-spacing-md) !important;
    text-transform: none !important;
    box-shadow: var(--gcal-shadow-sm) !important;
    transition: var(--gcal-transition) !important;
    color: white !important;
    font-size: var(--gcal-font-size-sm) !important;
    border: 1px solid var(--gcal-primary-color) !important;
}

.mod-gcalendar-container .fc-button-primary:hover {
    background-color: var(--gcal-primary-color) !important;
    border-color: var(--gcal-primary-color) !important;
    box-shadow: var(--gcal-shadow-md) !important;
    transform: translateY(-1px) !important;
    filter: brightness(1.05) !important;
}

.mod-gcalendar-container .fc-button-primary:active {
    transform: translateY(0) !important;
    box-shadow: var(--gcal-shadow-sm) !important;
}

.mod-gcalendar-container .fc-button-primary:disabled {
    background-color: var(--gcal-secondary-color) !important;
    border-color: var(--gcal-secondary-color) !important;
    opacity: 0.6 !important;
    cursor: not-allowed !important;
}

.mod-gcalendar-container .fc-event {
    background-color: var(--gcal-primary-color) !important;
    border-color: var(--gcal-primary-color) !important;
    border-radius: var(--gcal-border-radius-sm) !important;
    padding: var(--gcal-spacing-xs) var(--gcal-spacing-sm) !important;
    cursor: pointer !important;
    transition: var(--gcal-transition) !important;
    font-size: var(--gcal-font-size-sm) !important;
    font-weight: 500 !important;
    color: white !important;
    border: 1px solid var(--gcal-primary-color) !important;
}

.mod-gcalendar-container .fc-event:hover {
    background-color: var(--gcal-primary-color) !important;
    border-color: var(--gcal-primary-color) !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--gcal-shadow-sm) !important;
    filter: brightness(1.05) !important;
}

.mod-gcalendar-container .fc-daygrid-day {
    transition: var(--gcal-transition) !important;
}

.mod-gcalendar-container .fc-daygrid-day:hover {
    background-color: var(--gcal-bg-color-light) !important;
}

.mod-gcalendar-container .fc-day-today {
    background-color: rgba(59, 130, 246, 0.05) !important;
    border-color: var(--gcal-primary-color) !important;
}

.mod-gcalendar-container .fc-col-header {
    background-color: var(--gcal-bg-color-light) !important;
    border-bottom: 1px solid var(--gcal-border-color) !important;
}

.mod-gcalendar-container .fc-col-header-cell {
    font-weight: 600 !important;
    color: var(--gcal-text-color-dark) !important;
    padding: var(--gcal-spacing-sm) !important;
}

/* Booking Button Overlay/Wrapper */
.gcal-booking-wrapper {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}

.gcal-book-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gcal-theme-color, #3788d8);
    color: #fff !important;
    padding: 12px 24px;
    border-radius: var(--gcal-border-radius);
    text-decoration: none !important;
    font-weight: 600;
    transition: var(--gcal-transition);
    box-shadow: 0 4px 15px -3px var(--gcal-theme-color, #3788d8);
}

.gcal-book-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px var(--gcal-theme-color, #3788d8);
}

/* States */
.gcal-state-msg {
    padding: var(--gcal-spacing-2xl);
    text-align: center;
    border-radius: var(--gcal-border-radius-lg);
    margin: var(--gcal-spacing-lg) 0;
    font-weight: 500;
    font-size: var(--gcal-font-size);
    line-height: var(--gcal-line-height);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--gcal-spacing-md);
    position: relative;
    overflow: hidden;
}

.gcal-state-msg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.05;
    border-radius: inherit;
}

.gcal-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05) 0%, rgba(239, 68, 68, 0.02) 100%);
    color: var(--gcal-error-color);
    border: 1px solid rgba(239, 68, 68, 0.1);
}

.gcal-error::before {
    background: linear-gradient(135deg, var(--gcal-error-color) 0%, rgba(239, 68, 68, 0.5) 100%);
}

.gcal-loading {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(59, 130, 246, 0.02) 100%);
    color: var(--gcal-primary-color);
    border: 1px solid rgba(59, 130, 246, 0.1);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.gcal-loading::before {
    background: linear-gradient(135deg, var(--gcal-primary-color) 0%, rgba(59, 130, 246, 0.5) 100%);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

/* Debug - Glassmorphism */
.gcal-debug {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 15px;
    border-radius: var(--gcal-border-radius);
    font-size: 0.8rem;
    margin-bottom: 20px;
    color: #4b5563;
    box-shadow: var(--gcal-shadow-sm);
}

.gcal-debug strong {
    color: #1f2937;
    display: block;
    margin-bottom: 5px;
}

/* Tooltip Premium Styling */
.tippy-box[data-theme~='light-border'] {
    background-color: var(--gcal-bg-color);
    color: var(--gcal-text-color);
    border: 1px solid var(--gcal-border-color-light);
    border-radius: var(--gcal-border-radius-lg);
    box-shadow: var(--gcal-shadow-xl);
    padding: var(--gcal-spacing-sm);
    font-family: var(--gcal-font-family);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.tippy-content {
    font-size: var(--gcal-font-size-sm);
    line-height: var(--gcal-line-height);
    padding: var(--gcal-spacing-xs);
}

.tippy-content strong {
    color: var(--gcal-primary-color);
    font-size: var(--gcal-font-size);
    font-weight: 600;
    display: block;
    margin-bottom: var(--gcal-spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mod-gcalendar-container {
        padding: var(--gcal-spacing-md);
        border-radius: var(--gcal-border-radius-md);
    }

    .mod-gcalendar-container .fc-header-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--gcal-spacing-md);
    }

    .mod-gcalendar-container .fc-toolbar-title {
        font-size: var(--gcal-font-size) !important;
        text-align: center;
    }

    .mod-gcalendar-container .fc-button-primary {
        padding: var(--gcal-spacing-sm) !important;
        font-size: var(--gcal-font-size-sm) !important;
    }

    .gcal-booking-wrapper {
        justify-content: center;
    }

    .gcal-book-btn {
        padding: var(--gcal-spacing-md) var(--gcal-spacing-lg);
        font-size: var(--gcal-font-size-sm);
    }

    .gcal-state-msg {
        padding: var(--gcal-spacing-xl);
        margin: var(--gcal-spacing-md) 0;
    }

    .gcal-debug {
        padding: var(--gcal-spacing-md);
        margin-bottom: var(--gcal-spacing-md);
    }
}

@media (max-width: 480px) {
    .mod-gcalendar-container {
        padding: var(--gcal-spacing-sm);
        height: 400px !important;
    }

    .mod-gcalendar-container .fc {
        font-size: var(--gcal-font-size-sm);
    }

    .mod-gcalendar-container .fc-button-group {
        flex-direction: column;
        gap: var(--gcal-spacing-xs) !important;
    }

    .mod-gcalendar-container .fc-button-primary {
        width: 100%;
        justify-content: center;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.mod-gcalendar-container .fc-button-primary:focus,
.gcal-book-btn:focus {
    outline: var(--gcal-focus-width) solid var(--gcal-focus-color);
    outline-offset: var(--gcal-focus-offset);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .mod-gcalendar-container {
        border: 2px solid var(--gcal-border-color);
    }

    .mod-gcalendar-container .fc-event {
        border: 2px solid var(--gcal-text-color-dark);
    }
}