:root {
    --bg-color: #0f172a; /* Slate 900 */
    --surface-color: rgba(30, 41, 59, 0.7); /* Slate 800 with opacity */
    --surface-hover: rgba(51, 65, 85, 0.8);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --accent-outlook: #3b82f6; /* Blue 500 */
    --accent-outlook-glow: rgba(59, 130, 246, 0.3);
    
    --accent-google: #ef4444; /* Red 500 */
    --accent-google-glow: rgba(239, 68, 68, 0.3);
    
    --accent-other: #10b981;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Animated Blobs */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #0f172a 0%, #020617 100%);
}

.blob {
    position: absolute;
    filter: blur(80px);
    opacity: 0.5;
    border-radius: 50%;
    animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--accent-outlook-glow);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: var(--accent-google-glow);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 10%) scale(1.1); }
}

/* App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-height: 100vh;
}

/* Glassmorphism Panels */
.glass-panel {
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Header */
.app-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.title-area h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.title-area p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.exclude-box input {
    width: 250px;
    background: rgba(255, 50, 50, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.exclude-box input:focus {
    background: rgba(255, 50, 50, 0.1);
    border-color: rgba(255, 50, 50, 0.3);
}

/* Toggles */
.view-toggles {
    display: flex;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    padding: 0.25rem;
    border: 1px solid var(--border-color);
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.toggle-btn svg {
    width: 16px;
    height: 16px;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Badges */
.filters {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge svg {
    width: 14px;
    height: 14px;
}

.badge-outlook {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-google {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

/* Loader */
.loader-container {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--surface-color);
    z-index: 10;
    border-radius: 24px;
    transition: opacity 0.5s;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top-color: var(--accent-outlook);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

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

.hidden {
    display: none !important;
}

/* List View */
.list-controls {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list-controls h2 {
    font-weight: 500;
    font-size: 1.25rem;
}

.list-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: 10px;
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.search-box input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.875rem;
    width: 200px;
    transition: var(--transition-smooth);
}

.search-box input:focus {
    outline: none;
    border-color: rgba(255,255,255,0.3);
    background: rgba(255, 255, 255, 0.08);
}

.toggle-hide-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-primary);
    transition: .4s;
    border-radius: 50%;
}

.toggle-switch input:checked + .slider {
    background-color: var(--primary-color);
}

.toggle-switch input:checked + .slider:before {
    transform: translateX(20px);
}

.toggle-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.month-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-btn svg {
    width: 16px;
    height: 16px;
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: white;
}

.btn-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    margin-left: 0.5rem;
}

.btn-logout:hover {
    background: #ef4444;
    color: white;
}

.btn-logout i {
    width: 18px;
    height: 18px;
}

#current-month-display {
    font-weight: 600;
    min-width: 120px;
    text-align: center;
    text-transform: capitalize;
}

.events-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
}

.event-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.event-card.source-outlook {
    border-left: 4px solid var(--outlook-color);
}

.event-card.source-google {
    border-left: 4px solid var(--google-color);
}

.event-checkbox-wrapper {
    display: flex;
    align-items: center;
}

.event-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.event-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.event-details-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.event-card:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255,255,255,0.2);
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.event-card.source-outlook::before { background: var(--accent-outlook); }
.event-card.source-google::before { background: var(--accent-google); }
.event-card.source-otro::before { background: var(--accent-other); }

.event-main {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.event-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

.event-details-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.15rem;
}

.event-location, .event-organizer {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.event-location svg, .event-organizer svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.event-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255,255,255,0.05);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    white-space: nowrap;
}

.event-time svg { width: 12px; height: 12px; }

/* FullCalendar Customization */
.fc {
    --fc-page-bg-color: transparent;
    --fc-neutral-bg-color: rgba(255, 255, 255, 0.05);
    --fc-border-color: var(--border-color);
    --fc-button-text-color: var(--text-primary);
    --fc-button-bg-color: rgba(255, 255, 255, 0.1);
    --fc-button-border-color: transparent;
    --fc-button-hover-bg-color: rgba(255, 255, 255, 0.2);
    --fc-button-hover-border-color: transparent;
    --fc-button-active-bg-color: rgba(255, 255, 255, 0.3);
    font-family: inherit;
}

.fc-theme-standard th {
    padding: 0.75rem 0;
    font-weight: 500;
    color: var(--text-secondary);
}

.fc .fc-toolbar-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.fc-daygrid-event {
    border-radius: 4px;
    padding: 2px 4px;
    font-size: 0.75rem;
    border: none;
    transition: transform 0.2s;
}

.fc-daygrid-event:hover {
    transform: scale(1.02);
}

/* Custom Event Colors for Calendar */
.fc-event-outlook { background-color: var(--accent-outlook) !important; color: white !important; }
.fc-event-google { background-color: var(--accent-google) !important; color: white !important; }

@media (max-width: 768px) {
    .app-container { padding: 1rem; }
    .main-content { padding: 1rem; }
    .header-content { flex-direction: column; align-items: flex-start; }
    .view-toggles { width: 100%; justify-content: center; }
}