/* --- VARIABLES & BASES --- */
:root {
    --transition-speed: 0.25s;
    --spring-easing: cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    --smooth-easing: cubic-bezier(0.4, 0, 0.2, 1); 
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- ANIMATIONS --- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes popIn { 0% { opacity: 0; transform: scale(0.9) translateY(10px); } 100% { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(-15px); } to { opacity: 1; transform: translateX(0); } }

/* Utility Classes */
.animate-fade-in { animation: fadeIn 0.5s var(--smooth-easing) forwards; }
.animate-slide-up { animation: slideUp 0.5s var(--smooth-easing) forwards; }
.animate-pop-in { animation: popIn 0.4s var(--spring-easing) forwards; }

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* --- VIBRANT THEME (New Premium Look) --- */
/* Only applies if 'vibrant' class is on HTML tag */

/* 1. Deep Gradient Background */
.vibrant.dark body {
    background: radial-gradient(circle at 50% 0%, #2e3b55 0%, #111827 60%, #000000 100%);
    background-attachment: fixed;
}

/* 2. Glassmorphism Cards */
.vibrant.dark .bg-card-dark,
.vibrant.dark .bg-white.dark\:bg-card-dark {
    background-color: rgba(31, 41, 55, 0.7) !important;
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3) !important;
}

/* 3. Glassy Inputs */
.vibrant.dark input, 
.vibrant.dark .settings-nav-item:hover {
    background-color: rgba(17, 24, 39, 0.5) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

/* 4. Text Gradients (NEW) */
.vibrant.dark h1, 
.vibrant.dark h2, 
.vibrant.dark h3 {
    background: linear-gradient(135deg, #60A5FA 0%, #C084FC 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 12px rgba(139, 92, 246, 0.15); /* Subtle glow */
}

/* Fix for icons inside headers so they don't disappear */
.vibrant.dark h1 .material-symbols-outlined,
.vibrant.dark h2 .material-symbols-outlined,
.vibrant.dark h3 .material-symbols-outlined {
    -webkit-text-fill-color: #A78BFA;
    text-shadow: none;
}

/* --- INTERACTIVE ELEMENTS --- */
button { transition: transform 0.1s ease-in-out, background-color 0.2s, box-shadow 0.2s; }
button:active { transform: scale(0.95); }

input[type="text"], input[type="datetime-local"], input[type="time"] { transition: all 0.2s ease; }
input:focus { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(74, 144, 226, 0.15); }

/* --- SCROLLBARS --- */
.custom-scrollbar::-webkit-scrollbar { width: 5px; height: 5px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background-color: rgba(156, 163, 175, 0.4); border-radius: 10px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background-color: rgba(107, 114, 128, 0.7); }
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* --- CALENDAR GRID --- */
.calendar-wrapper { position: relative; height: 100%; width: 100%; }
.calendar-grid { display: grid; grid-template-columns: 60px repeat(7, minmax(100px, 1fr)); gap: 1px; background-color: #f3f4f6; border: 1px solid #f3f4f6; }
.dark .calendar-grid { background-color: #374151; border-color: #374151; }
/* Vibrant Border tweak */
.vibrant.dark .calendar-grid { background-color: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.05); }

.header-cell { background-color: #1f2937; color: white; font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 12px 8px; display: flex; align-items: center; justify-content: center; position: sticky; top: 0; z-index: 20; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.calendar-grid > .header-cell:first-child { z-index: 30; left: 0; background-color: #111827; }

.time-label { background-color: #ffffff; color: #9ca3af; font-size: 0.7rem; font-weight: 600; display: flex; align-items: center; justify-content: center; position: sticky; left: 0; z-index: 10; height: 60px; border-right: 1px solid #f3f4f6; }
.dark .time-label { background-color: #1f2937; color: #9ca3af; border-color: #374151; }
.vibrant.dark .time-label { background-color: rgba(31, 41, 55, 0.8); border-color: rgba(255,255,255,0.05); }

.slot { background-color: #ffffff; height: 60px; padding: 2px 4px; font-size: 0.8rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; cursor: pointer; transition: filter 0.2s, transform 0.2s; color: #1f2937; overflow: hidden; }
.slot:hover { filter: brightness(0.97); z-index: 5; }
.dark .slot { background-color: #252b32; color: #e5e7eb; }
.dark .slot:hover { filter: brightness(1.2); }
.vibrant.dark .slot { background-color: rgba(37, 43, 50, 0.6); }

/* --- DRAG AND DROP --- */
.slot[draggable="true"] { cursor: grab; }
.slot[draggable="true"]:active { cursor: grabbing; }
.slot.drag-over { background-color: rgba(74, 144, 226, 0.2) !important; box-shadow: inset 0 0 0 2px #4A90E2; z-index: 5; }

/* --- WEATHER WIDGET --- */
.weather-card { background: linear-gradient(135deg, #4A90E2 0%, #8E2DE2 100%); position: relative; overflow: hidden; transition: transform 0.3s var(--smooth-easing), box-shadow 0.3s; }
.weather-card:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(74, 144, 226, 0.4); }
.weather-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to bottom right, rgba(255,255,255,0.2), rgba(255,255,255,0)); z-index: 0; pointer-events: none; }
.weather-card > * { position: relative; z-index: 1; }

/* --- COMPACT MONTH GRID --- */
.month-day { height: 34px; width: 34px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; cursor: pointer; position: relative; font-size: 0.85rem; font-weight: 500; transition: all 0.2s var(--spring-easing); z-index: 1; border: 2px solid transparent; }
.month-day:hover { background-color: rgba(74, 144, 226, 0.15); transform: scale(1.15); }
.month-day.today { background-color: #4A90E2; color: white; font-weight: bold; box-shadow: 0 4px 8px rgba(74, 144, 226, 0.4); border-color: #4A90E2; animation: popIn 0.5s var(--spring-easing); }
.month-day.selected-day:not(.today) { border-color: #4A90E2; color: #4A90E2; background-color: transparent; font-weight: 700; transform: scale(1.05); }
.class-dot { width: 5px; height: 5px; background-color: #F5A623; border-radius: 50%; position: absolute; bottom: 3px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); }
.month-day.today .class-dot { background-color: white; }

/* --- TASKS --- */
.task-item { opacity: 0; animation: slideInRight 0.4s var(--smooth-easing) forwards; }

/* --- CLASS ENTRY ANIMATION --- */
@keyframes slideInLeftShort { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
.class-entry-animate { animation: slideInLeftShort 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards; opacity: 0; }

/* --- SETTINGS SIDEBAR --- */
.settings-nav-item {
    display: flex; 
    align-items: center; 
    gap: 10px;
    padding: 10px 16px; 
    border-radius: 12px; 
    font-weight: 600; 
    font-size: 0.9rem;
    color: #6b7280; 
    transition: all 0.2s;
    justify-content: center; 
    
    /* FIX: Prevent squashing on mobile, allow scroll */
    flex: none; 
    white-space: nowrap; 
    position: relative; 
    overflow: hidden;
}

/* Dark mode text colors */
.dark .settings-nav-item { color: #9ca3af; }

/* Hover States */
.settings-nav-item:hover { background-color: rgba(0,0,0,0.05); color: #111827; }
.dark .settings-nav-item:hover { background-color: rgba(255,255,255,0.05); color: white; }

/* Active Background */
.settings-nav-item.active { 
    background-color: rgba(74, 144, 226, 0.1); 
    color: #4A90E2; 
}

/* FIX: Active Indicator Logic (Mobile First) */
.settings-nav-item.active::before {
    content: ''; 
    position: absolute; 
    background-color: #4A90E2;
    
    /* MOBILE: Bottom Line */
    bottom: 0; 
    left: 20%; 
    right: 20%; 
    height: 3px; 
    width: auto;
    top: auto; /* Reset top */
    border-radius: 3px 3px 0 0;
}

/* DESKTOP: Switch to Vertical Layout */
@media (min-width: 768px) {
    .settings-nav-item {
        justify-content: flex-start;
        width: 100%;
    }
    
    /* DESKTOP: Left Side Line */
    .settings-nav-item.active::before {
        left: 0; 
        top: 15%; 
        bottom: 15%; 
        width: 4px; 
        height: auto; 
        right: auto; /* Reset right */
        border-radius: 0 4px 4px 0;
    }
}

/* --- SWITCH TOGGLE --- */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #cbd5e1; border-radius: 34px; transition: .3s var(--smooth-easing); }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 2px; bottom: 2px; background-color: white; border-radius: 50%; transition: .3s var(--smooth-easing); box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
input:checked + .slider { background-color: #4A90E2; }
input:checked + .slider:before { transform: translateX(20px); }
input:disabled + .slider { opacity: 0.5; cursor: not-allowed; }

/* --- PREVIEW GRID STYLES --- */
.print-header-row { display: grid; grid-template-columns: 80px repeat(7, 1fr); background-color: #111827; color: white; font-weight: bold; text-transform: uppercase; font-size: 0.8rem; border-bottom: 2px solid #000; }
.print-row { display: grid; grid-template-columns: 80px repeat(7, 1fr); border-bottom: 1px solid #e5e7eb; }
.print-time-col { padding: 4px; font-size: 0.75rem; font-weight: bold; color: #6b7280; border-right: 1px solid #e5e7eb; display: flex; align-items: center; justify-content: center; background-color: #f9fafb; }
.print-slot-col { padding: 4px; min-height: 60px; border-right: 1px solid #e5e7eb; font-size: 0.75rem; position: relative; display: flex; flex-direction: column; }
.print-slot-col:last-child { border-right: none; }
.print-event-card { width: 100%; height: 100%; border-radius: 4px; padding: 6px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; box-shadow: 0 1px 2px rgba(0,0,0,0.05); border: 1px solid rgba(0,0,0,0.05); }
/* --- CLASS ENTRY ANIMATIONS --- */

/* Slide from Left Keyframe */
@keyframes slideInLeftShort {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* The class we will apply via JS */
.class-entry-animate {
    animation: slideInLeftShort 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    opacity: 0; /* Start invisible so it can fade in */
}