/* TrustCRM Calendar Module CSS */

/* Modal Base */
#calendar-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}
#calendar-modal.show { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
}

.calendar-modal-content {
    background: var(--surface-color, #fff);
    border-radius: 16px;
    width: 95%;
    max-width: 1200px;
    height: 90vh;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}

.calendar-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    flex-shrink: 0;
    gap: 12px;
}

.calendar-modal-header h3 { 
    margin: 0; 
    font-size: 18px; 
    font-weight: 600; 
    white-space: nowrap;
}

.calendar-modal-controls { 
    display: flex; 
    align-items: center; 
    gap: 12px;
    flex: 1;
    justify-content: flex-end;
}

.calendar-modal-close {
    background: var(--background-light, #f3f4f6);
    border: 1px solid var(--border-color, #e5e7eb);
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    transition: all 0.2s;
    flex-shrink: 0;
}
.calendar-modal-close:hover { 
    background: var(--primary-color, #6366f1); 
    color: #fff;
    border-color: var(--primary-color, #6366f1);
}
.calendar-modal-close svg { width: 20px; height: 20px; }

.calendar-modal-body { 
    flex: 1; 
    overflow-y: auto; 
    padding: 20px;
    min-height: 0;
}

/* Broker Filter */
.calendar-broker-filter { position: relative; }

.calendar-filter-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    min-width: 140px;
}
.calendar-filter-toggle:hover { border-color: var(--primary-color); }
.calendar-filter-toggle svg { margin-left: auto; }

.calendar-filter-options {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 180px;
    max-height: 260px;
    overflow-y: auto;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    z-index: 100;
    padding: 6px;
}
.calendar-filter-options.show { display: block; }

.calendar-filter-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
}
.calendar-filter-option:hover { background: var(--background-light); }
.calendar-filter-option .checkmark { display: none; color: var(--primary-color); }
.calendar-filter-option.selected { background: var(--primary-light); }
.calendar-filter-option.selected .checkmark { display: block; }

/* Toggle */
.calendar-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}
.calendar-toggle-label input { width: 18px; height: 18px; accent-color: var(--primary-color); }

/* Popover */
#calendar-event-popover {
    display: none;
    position: fixed;
    z-index: 10001;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-width: 200px;
    pointer-events: none;
}
#calendar-event-popover strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 2px; }
#calendar-event-popover small { font-size: 12px; color: var(--text-secondary); }

/* Completed events */
.calendar-completed-event { opacity: 0.5 !important; text-decoration: line-through; }

/* Loading state */
#calendar-full-view.fc-loading {
    position: relative;
    pointer-events: none;
}
#calendar-full-view.fc-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    border: 3px solid var(--border-color, #e5e7eb);
    border-top-color: var(--primary-color, #6366f1);
    border-radius: 50%;
    animation: cal-spin 0.6s linear infinite;
    z-index: 100;
}
#calendar-full-view.fc-loading .fc-view { opacity: 0.5; }
@keyframes cal-spin { to { transform: rotate(360deg); } }

/* FullCalendar overrides */
#calendar-full-view .fc-button {
    background: var(--primary-color) !important;
    border: none !important;
    border-radius: 8px !important;
}
#calendar-full-view .fc-button:hover { background: var(--primary-hover) !important; }
#calendar-full-view .fc-button-active { background: var(--primary-hover) !important; }
#calendar-full-view .fc-day-today { background: var(--primary-light) !important; }
#calendar-full-view .fc-event { border-radius: 4px !important; cursor: default !important; }

/* Fixed row heights in month view - using FullCalendar's dayMaxEvents */
#calendar-full-view .fc-daygrid-body { width: 100% !important; }
#calendar-full-view .fc-daygrid-day-frame {
    min-height: 90px;
}
#calendar-full-view .fc-daygrid-more-link {
    font-size: 12px;
    color: var(--primary-color, #6366f1);
    font-weight: 600;
    padding: 2px 6px;
    background: var(--primary-light, rgba(99,102,241,0.1));
    border-radius: 4px;
    margin-top: 2px;
}
#calendar-full-view .fc-daygrid-more-link:hover {
    background: var(--primary-color, #6366f1);
    color: #fff;
}
/* Event styling */
#calendar-full-view .fc-daygrid-event {
    font-size: 12px;
    padding: 2px 4px;
    margin: 1px 2px;
}
/* Popover for "+more" click */
#calendar-full-view .fc-popover {
    background: var(--surface-color, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    z-index: 10000;
}
#calendar-full-view .fc-popover-header {
    background: var(--background-light, #f3f4f6);
    padding: 8px 12px;
    font-weight: 600;
    border-radius: 10px 10px 0 0;
}
#calendar-full-view .fc-popover-body {
    padding: 8px;
    max-height: 300px;
    overflow-y: auto;
}

/* Dark mode */
body.dark-mode .calendar-modal-content { background: var(--dm-surface-color); border: 1px solid var(--dm-border-color); }
body.dark-mode .calendar-modal-header { border-color: var(--dm-border-color); }
body.dark-mode .calendar-modal-close:hover { background: var(--dm-background-light); }
body.dark-mode .calendar-filter-toggle { background: var(--dm-background-light); border-color: var(--dm-border-color); }
body.dark-mode .calendar-filter-options { background: var(--dm-surface-color); border-color: var(--dm-border-color); }
body.dark-mode .calendar-filter-option:hover { background: var(--dm-background-light); }
body.dark-mode .calendar-filter-option.selected { background: rgba(99,102,241,0.2); }
body.dark-mode #calendar-event-popover { background: var(--dm-surface-color); border-color: var(--dm-border-color); }
body.dark-mode #calendar-full-view .fc-day-today { background: rgba(99,102,241,0.15) !important; }
body.dark-mode #calendar-full-view .fc-theme-standard td,
body.dark-mode #calendar-full-view .fc-theme-standard th { border-color: var(--dm-border-color); }
body.dark-mode #calendar-full-view .fc-popover { 
    background: var(--dm-surface-color, #1f2937); 
    border-color: var(--dm-border-color, #374151); 
}
body.dark-mode #calendar-full-view .fc-popover-header { 
    background: var(--dm-background-light, #374151); 
}
body.dark-mode #calendar-full-view .fc-daygrid-more-link {
    background: rgba(99,102,241,0.2);
}

/* Tablet */
@media (max-width: 1024px) {
    .calendar-modal-content { width: 98%; max-width: 900px; height: 95vh; }
}

/* Mobile - Full Screen */
@media (max-width: 768px) {
    #calendar-modal.show { 
        align-items: stretch; 
        justify-content: stretch; 
    }

    .calendar-modal-content { 
        width: 100% !important;
        max-width: 100% !important;
        height: 100% !important;
        max-height: 100% !important;
        border-radius: 0 !important;
        margin: 0 !important;
    }

    .calendar-modal-header { 
        padding: 12px 16px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .calendar-modal-header h3 { 
        font-size: 16px;
        order: 1;
    }

    .calendar-modal-controls { 
        order: 2;
        gap: 10px;
        flex: 0 0 auto;
    }

    /* Better close button on mobile */
    .calendar-modal-close {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        background: #ef4444 !important;
        border: none !important;
        color: #fff !important;
        border-radius: 12px !important;
    }
    .calendar-modal-close:active {
        transform: scale(0.95);
    }

    .calendar-modal-body { 
        padding: 12px;
        -webkit-overflow-scrolling: touch;
    }

    /* Broker filter mobile */
    .calendar-broker-filter { flex: 1; min-width: 120px; }
    .calendar-filter-toggle { 
        padding: 10px 12px;
        font-size: 13px;
        min-width: auto;
    }
    .calendar-filter-options {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        max-height: 60vh;
        border-radius: 20px 20px 0 0;
        z-index: 10000;
        padding: 16px;
    }
    .calendar-filter-option { padding: 14px 12px; }

    /* Toggle mobile */
    .calendar-toggle-label { 
        font-size: 13px;
        gap: 6px;
    }
    .calendar-toggle-label input { width: 20px; height: 20px; }

    /* FullCalendar mobile - CRITICAL */
    #calendar-full-view { font-size: 13px; }

    #calendar-full-view .fc-toolbar { 
        flex-direction: column !important;
        gap: 12px !important;
        margin-bottom: 12px !important;
    }

    #calendar-full-view .fc-toolbar-chunk { 
        display: flex !important;
        justify-content: center !important;
        width: 100% !important;
    }

    #calendar-full-view .fc-toolbar-title { 
        font-size: 15px !important;
        font-weight: 600 !important;
    }

    #calendar-full-view .fc-button { 
        padding: 10px 16px !important;
        font-size: 14px !important;
        min-height: 44px !important;
        border-radius: 10px !important;
    }

    #calendar-full-view .fc-button-group { 
        gap: 4px;
    }

    /* List view mobile */
    #calendar-full-view .fc-list { font-size: 14px; }
    #calendar-full-view .fc-list-day-cushion { padding: 10px 12px !important; }
    #calendar-full-view .fc-list-event td { padding: 12px 10px !important; }
    #calendar-full-view .fc-list-event-time { font-size: 13px !important; min-width: 70px; }
    #calendar-full-view .fc-list-event-title { font-size: 14px !important; }
    #calendar-full-view .fc-list-event-dot { margin-right: 8px !important; }

    /* Month view mobile */
    #calendar-full-view .fc-daygrid-day-number { 
        font-size: 12px !important;
        padding: 4px 6px !important;
    }
    #calendar-full-view .fc-col-header-cell { font-size: 11px !important; }
    #calendar-full-view .fc-daygrid-event { 
        font-size: 10px !important;
        padding: 2px 4px !important;
    }
    #calendar-full-view .fc-daygrid-day-frame { min-height: 70px !important; }
    #calendar-full-view .fc-daygrid-more-link { font-size: 10px !important; padding: 1px 4px !important; }
    #calendar-full-view .fc-popover { 
        left: 10px !important;
        right: 10px !important;
        max-width: calc(100vw - 20px) !important;
    }

    /* Hide popover on mobile - touch unfriendly */
    #calendar-event-popover { display: none !important; }
}

/* Small mobile (iPhone SE, etc) */
@media (max-width: 380px) {
    .calendar-modal-header h3 { font-size: 14px; }
    .calendar-modal-header { padding: 10px 12px; }
    .calendar-modal-body { padding: 8px; }

    .calendar-modal-controls { gap: 8px; }
    .calendar-filter-toggle { padding: 8px 10px; font-size: 12px; }
    .calendar-toggle-label { font-size: 12px; }

    #calendar-full-view .fc-button { 
        padding: 8px 12px !important;
        font-size: 13px !important;
        min-height: 40px !important;
    }
    #calendar-full-view .fc-toolbar-title { font-size: 14px !important; }
    #calendar-full-view .fc-list-event-time { font-size: 12px !important; }
    #calendar-full-view .fc-list-event-title { font-size: 13px !important; }
}

/* Touch devices - larger tap targets */
@media (hover: none) and (pointer: coarse) {
    .calendar-filter-option { 
        padding: 16px 14px !important;
        min-height: 48px;
    }
    .calendar-modal-close { 
        width: 48px !important;
        height: 48px !important;
    }
    #calendar-full-view .fc-button { 
        min-height: 48px !important;
    }
}

/* Dark mode adjustments */
body.dark-mode .calendar-modal-header { background: var(--dm-surface-color, #1f2937); }
body.dark-mode .calendar-filter-options { background: var(--dm-surface-color, #1f2937); }
body.dark-mode .calendar-modal-close {
    background: #dc2626 !important;
}