/* ==============================================
   Seasonal Themes
   Family Planner Application
   ============================================== */

/* ==============================================
   December Winter/Christmas Theme
   ============================================== */

/* Background Video - Stretch to cover whole screen */
.december-bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;  /* Stretch to fill entire screen */
    z-index: -1;
    pointer-events: none;
}

.december-theme {
    background: transparent !important;
}

/* All containers fully transparent */
.december-theme .main-content,
.december-theme .app-container,
.december-theme .panel,
.december-theme .preview-section,
.december-theme .today-section,
.december-theme #yearCalendar {
    background: transparent !important;
}

/* Sidebar - 15% opacity */
.december-theme .sidebar {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

/* Calendar grid container - 15% opacity */
.december-theme .calendar-grid {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-color: rgba(255, 255, 255, 0.2);
}

.december-theme .expanded-month {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Header - 15% opacity */
.december-theme .year-header {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.december-theme .month-title,
.december-theme .year-title {
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

/* Calendar day cards - 15% for empty, slightly more for content */
.december-theme .calendar-day {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.december-theme .calendar-day:hover {
    background: rgba(255, 255, 255, 0.3);
}

.december-theme .calendar-day.today {
    background: rgba(255, 180, 80, 0.4) !important;
    box-shadow: inset 0 0 0 3px var(--accent-orange), 0 4px 15px rgba(216, 67, 21, 0.4) !important;
}

.december-theme .calendar-day.tomorrow {
    background: rgba(255, 243, 200, 0.25);
}

.december-theme .calendar-day.near-future-close {
    background: rgba(255, 253, 200, 0.2);
}

/* Past days very transparent */
.december-theme .calendar-day.distant-past,
.december-theme .calendar-day.past-week,
.december-theme .calendar-day.recent-past,
.december-theme .calendar-day.yesterday {
    background: rgba(200, 220, 240, 0.15);
}

/* Day headers - 15% */
.december-theme .day-header-cell {
    background: rgba(255, 255, 255, 0.15);
}

.december-theme .day-header-cell.weekend {
    background: rgba(255, 230, 230, 0.15);
}

/* Weather widget - 15% */
.december-theme .weather-widget {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Month nav buttons - 15% */
.december-theme .month-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.december-theme .month-btn.current {
    background: rgba(216, 67, 21, 0.6);
}

/* Today events - 15% */
.december-theme .today-event {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* Voice command bar - 15% */
.december-theme .voice-command-bar {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Action pill buttons - 15% */
.december-theme .action-pill {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.december-theme .action-pill:hover {
    background: rgba(255, 255, 255, 0.35);
}

.december-theme .action-pill.ocean {
    background: rgba(200, 230, 255, 0.2);
}

/* Today button */
.december-theme .today-btn {
    background: rgba(216, 67, 21, 0.6);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* Preview days - 15% */
.december-theme .preview-day {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.december-theme .preview-day.today {
    background: rgba(255, 200, 150, 0.3);
}

.december-theme .preview-day.tomorrow {
    background: rgba(200, 240, 200, 0.25);
}

/* Hide preview section - takes up too much room */
.december-theme .preview-section {
    display: none !important;
}

/* Winter month header decoration */
.december-theme .expanded-header::before {
    content: '🎅 ❄️ ';
}

.december-theme .expanded-header::after {
    content: ' ❄️ 🎄';
}

/* Text contrast for video background */
.december-theme .sidebar-header,
.december-theme .current-time,
.december-theme .current-date,
.december-theme .family-name,
.december-theme .section-title,
.december-theme .month-nav-title {
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

/* Day numbers and text readable */
.december-theme .day-number {
    color: #fff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.december-theme .calendar-day .event-dot,
.december-theme .calendar-day .day-content {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ==============================================
   Snowfall Animation
   ============================================== */
.snowfall {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.snowflake {
    position: absolute;
    top: -20px;
    color: white;
    font-size: 1em;
    text-shadow: 0 0 5px rgba(255,255,255,0.8);
    animation: snowfall linear infinite;
    opacity: 0.8;
}

@keyframes snowfall {
    0% {
        transform: translateY(-20px) rotate(0deg);
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
    }
}

/* ==============================================
   Christmas Decorations
   ============================================== */
.december-decorations {
    position: fixed;
    pointer-events: none;
    z-index: 2;
}

.decoration-top-left {
    top: 10px;
    left: 10px;
    font-size: 40px;
    animation: gentle-bounce 3s ease-in-out infinite;
}

.decoration-top-right {
    top: 10px;
    right: 20px;
    font-size: 35px;
}

.decoration-tree {
    bottom: 20px;
    right: 20px;
    font-size: 80px;
    animation: gentle-sway 4s ease-in-out infinite;
}

@keyframes gentle-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes gentle-sway {
    0%, 100% { transform: rotate(-2deg); }
    50% { transform: rotate(2deg); }
}

/* ==============================================
   Screensaver
   ============================================== */
.screensaver {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: black;
    z-index: 5000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.screensaver.active {
    opacity: 1;
    pointer-events: all;
}

.screensaver video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 1.5s ease-in-out, filter 1s ease;
}

.screensaver video.fade-out {
    opacity: 0;
}

.screensaver video.pixelate {
    filter: blur(8px) saturate(1.2);
}

/* Pixelation overlay for transitions */
.screensaver .pixel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: 5001;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.screensaver .pixel-overlay.active {
    opacity: 1;
    background:
        repeating-linear-gradient(
            0deg,
            rgba(0,0,0,0.15) 0px,
            rgba(0,0,0,0.15) 3px,
            transparent 3px,
            transparent 6px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(0,0,0,0.15) 0px,
            rgba(0,0,0,0.15) 3px,
            transparent 3px,
            transparent 6px
        );
}

/* ==============================================
   Future Seasonal Themes (placeholders)
   ============================================== */

/* October - Halloween Theme */
.october-theme {
    /* Add Halloween styling here */
}

/* February - Valentine's Theme */
.february-theme {
    /* Add Valentine's styling here */
}

/* Spring Theme */
.spring-theme {
    /* Add Spring styling here */
}

/* Summer Theme */
.summer-theme {
    /* Add Summer styling here */
}

/* Fall Theme */
.fall-theme {
    /* Add Fall/Autumn styling here */
}