/* 与 Dashboard 统一的设计系统重构：高品质毛玻璃与动态效果 */
:root {
    --bg-app: #f1f5f9;                 /* 底层大背景 */
    --color-sidebar: #0b2a66;          /* 深蓝科技感侧边栏 */
    --column-bg: rgba(255, 255, 255, 0.75); /* 主容器毛玻璃背景 */
    --card-bg: rgba(255, 255, 255, 0.9);
    
    --text-main: #1e293b;
    --text-sub: #64748b;
    
    --border-light: rgba(255, 255, 255, 0.6);
    --border-stroke: #e2e8f0;

    /* 色板 */
    --accent: #1d8cf8;   /* 新图标亮蓝 */
    --accent-glow: rgba(29, 140, 248, 0.32);
    --red: #ef4444;
    --orange: #f59e0b;
    --yellow: #facc15;
    --green: #10b981;
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --pink: #ec4899;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background: var(--timewhere-bg-image, url('../../shared/images/bg.jpg')) center/cover no-repeat;
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

body::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(241, 245, 249, 0.92) 0%, rgba(226, 232, 240, 0.85) 100%);
    z-index: -1;
}

.app-layout {
    display: flex;
    height: 100vh;
    padding: 12px;
    gap: 12px;
}

/* ==================
   1. 导航栏 (Sidebar) 
   ================== */
.sidebar {
    width: 64px; /* 从 72px 缩小 */
    background-color: var(--color-sidebar);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 10;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: transparent;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    margin-bottom: 32px;
}

.logo-mark {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 10px;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    align-items: center;
    flex: 1;
}

.nav-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 20px;
    border-radius: 10px;
    transition: var(--transition);
    text-decoration: none;
}

.nav-item:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.nav-item.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

.sidebar-bottom {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

.sidebar-bottom .nav-item {
    color: rgba(255, 255, 255, 0.6);
}
.sidebar-bottom .nav-item:hover {
    color: white;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
}

/* ==================
   2. 主容器毛玻璃布局 
   ================== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--column-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
    overflow: hidden;
    padding: 0 16px;
}

.custom-scrollbar::-webkit-scrollbar { width: 6px; height: 6px; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 6px;}


/* ==================
   4. 日历工具栏 Toolbar
   ================== */
.calendar-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.calendar-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.toolbar-left, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-today {
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-stroke);
    background: white;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-sub);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn-today:hover {
    background: var(--bg-app);
    color: var(--text-main);
}

.nav-arrows {
    display: flex;
    gap: 6px;
}

.btn-arrow {
    background: white;
    border: 1px solid var(--border-stroke);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.icon-btn {
    border: none;
    background: transparent;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-sub);
    transition: var(--transition);
}
.icon-btn:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-main);
}

.calendar-debug-snapshot-btn {
    width: auto;
    min-width: 28px;
    padding: 0 10px;
    gap: 5px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(29, 140, 248, 0.22);
    background: #f4f9ff;
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
}

.calendar-debug-snapshot-btn:hover {
    border-color: rgba(29, 140, 248, 0.45);
    background: #eaf5ff;
    color: var(--accent);
}

.calendar-debug-snapshot-btn .material-symbols-outlined {
    font-size: 17px;
}

.current-date {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-left: 8px;
}

.btn-dropdown {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-stroke);
    background: white;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.btn-dropdown:hover {
    background: var(--bg-app);
}

/* ==================
   5. 日历主视图区
   ================== */
.calendar-container {
    flex: 1;
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-md);
    border: 1px solid white;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    margin-bottom: 12px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* 表头区 (日期) */
.calendar-header-row {
    display: flex;
    border-bottom: 1px solid var(--border-stroke);
    background: rgba(255,255,255,0.95);
    position: sticky;
    top: 0;
    z-index: 10;
}

.timezone-cell {
    width: 50px;
    flex-shrink: 0;
    font-size: 9px;
    color: var(--text-sub);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
    border-right: 1px solid var(--border-stroke);
}

.days-wrapper {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.day-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 0;
    border-right: 1px solid var(--border-stroke);
}
.day-header:last-child { border-right: none; }

.day-header .day-name { font-size: 11px; color: var(--text-sub); font-weight: 500; }
.day-header .day-num { 
    font-size: 18px; 
    font-weight: 400; 
    color: var(--text-main); 
    margin-top: 2px; 
    width: 30px; 
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.day-header.active .day-name { color: var(--accent); }
.day-header.active .day-num { background: var(--accent); color: white; font-weight: 600; }

/* 全天任务区 */
.allday-row {
    display: flex;
    border-bottom: 1px solid var(--border-stroke);
    position: sticky;
    top: 61px; /* 匹配上面 Header 的高度，确保持续吸顶 */
    z-index: 9;
    background: white;
}
.allday-spacer {
    width: 50px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-stroke);
}
.allday-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: 4px 0;
}
.allday-wrapper {
    padding: 0 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.allday-event {
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: white;
}
.allday-event span.material-symbols-outlined { font-size: 12px !important; }
.bg-indigo { background: #5c6bc0; }
.bg-light-purple { background: #9fa8da; }

/* 主体网格区：高度由 time-axis 内容驱动，不再锁死 100%，使 calendar-container 可滚动 */
.calendar-body {
    display: flex;
    position: relative;
    min-height: 0;
}

/* 左侧时间轴 */
.time-axis {
    width: 50px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-stroke);
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,0.85);
    height: 100%;
}

.time-slot-label {
    height: 40px; /* 每格行高缩小至 40px */
    position: relative;
}
.time-slot-label span {
    position: absolute;
    top: -6px; 
    right: 4px;
    font-size: 10px;
    font-weight: 500;
    color: var(--text-sub);
}

/* 横向背景网格线 */
.lines-layer {
    position: absolute;
    top: 0;
    left: 50px;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    display: flex;
    flex-direction: column;
}
.grid-line {
    height: 40px;
    border-bottom: 1px solid var(--border-stroke);
    flex-shrink: 0;
}

/* 纵向列及日程卡片：高度跟随 time-axis，不设 height:100% */
.columns-layer {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    position: relative;
    z-index: 3;
    min-height: calc(17 * 40px);
}

.day-col {
    position: relative;
    border-right: 1px solid var(--border-stroke);
    min-height: calc(17 * 40px);
}
.day-col:last-child { border-right: none; }

/* 日程卡片 */
.gcal-event {
    position: absolute;
    left: auto; /* 由 JS 设置 */
    right: auto;
    width: auto; /* 由 JS 设置 */
    border-radius: 4px;
    padding: 4px 6px;
    color: white;
    font-size: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-sizing: border-box;
}
.gcal-event:hover {
    filter: brightness(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    z-index: 5;
    transform: translateY(-1px);
}
.gcal-event h4 { font-size: 11px; margin-bottom: 2px; line-height: 1.2;}
.gcal-event span { font-size: 9px; opacity: 0.9; }

/* 时间容器文字颜色继承父容器，和普通日程事件的白字实色模板区分 */
.gcal-event.layer-1 h4,
.gcal-event.layer-1 span,
.gcal-event.layer-2 h4,
.gcal-event.layer-2 span { opacity: 1; }

/* 容器内任务列表 */
.container-tasks {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}
.container-task-item {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: space-between;
    font-size: 9px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    border-radius: 4px;
    padding: 2px 4px;
}
.container-task-item.start {
    color: #047857;
    background: #dcfce7;
}
.container-task-item.due {
    color: #b91c1c;
    background: #fee2e2;
}
.task-item-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}
.task-item-type {
    flex-shrink: 0;
    font-weight: 700;
}
.task-item-start {
    color: #047857;
}
.task-item-due {
    color: #b91c1c;
}
/* Layer toggle in container dialog */
.layer-toggle {
    display: flex;
    gap: 8px;
}
.layer-btn {
    flex: 1;
    padding: 7px 0;
    border: 1px solid var(--border-stroke);
    background: white;
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    color: var(--text-sub);
    transition: var(--transition);
}
.layer-btn.active {
    border-color: var(--accent);
    background: var(--accent);
    color: white;
}

/* 主题颜色 */
.event-yellow { background-color: #fca5a5; } 
.event-yellow { background-color: #f59e0b; border-left: 3px solid #b45309; }
.event-orange { background-color: #fbbf24; color: #78350f; border-left: 3px solid #b45309; }

/* 当前时间指示器 (红线) */
.gcal-current-time {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--red);
    z-index: 10;
    pointer-events: none;
}
.gcal-current-time::before {
    content: '';
    position: absolute;
    left: -3px;
    top: -3px;
    width: 8px;
    height: 8px;
    background: var(--red);
    border-radius: 50%;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 24px;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 9999;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-success { border-left: 4px solid var(--green); }
.toast-error { border-left: 4px solid var(--red); }
.toast-info { border-left: 4px solid var(--blue); }

/* Task List */
.task-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid white;
}

.task-content {
    flex: 1;
}

.task-title {
    font-size: 13px;
    color: var(--text-main);
}

.task-title.completed {
    text-decoration: line-through;
    color: var(--text-sub);
}

.task-meta {
    font-size: 11px;
    color: var(--text-sub);
}

.checkbox-wrapper {
    position: relative;
    display: flex;
    cursor: pointer;
}

.checkbox-wrapper input {
    opacity: 0;
    position: absolute;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-stroke);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox-wrapper input:checked + .checkmark::after {
    content: '';
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.calendar-empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 10;
    cursor: pointer;
    background: linear-gradient(135deg, rgba(255,255,255,0.85) 0%, rgba(241,245,249,0.9) 100%);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-lg);
    text-align: center;
    padding: 32px;
    pointer-events: none;
}
.calendar-empty-state h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}
.calendar-empty-state p {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
}
.empty-state-link {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    margin-top: 8px;
}

.empty-state {
    text-align: center;
    color: var(--text-sub);
    padding: 20px;
}

.empty-state i {
    font-size: 24px;
    opacity: 0.5;
    margin-bottom: 8px;
    display: block;
}

.init-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 360px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.init-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-stroke);
}

.init-panel-header h3 {
    font-size: 16px;
    font-weight: 700;
}

.init-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-sub);
}

.init-panel-content {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.init-section {
    margin-bottom: 20px;
}

.init-section:last-child {
    margin-bottom: 0;
}

.init-section h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-sub);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.init-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.init-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.init-option:hover {
    border-color: var(--accent);
}

.init-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.init-option span {
    font-size: 14px;
}

.init-option small {
    color: var(--text-sub);
    margin-left: 6px;
}

.upload-area {
    padding: 24px;
    border: 2px dashed var(--border-stroke);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.upload-area:hover {
    border-color: var(--accent);
    background: rgba(43, 86, 227, 0.05);
}

.upload-area p {
    font-size: 14px;
    color: var(--text-sub);
    margin-top: 8px;
}

.upload-area small {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--green);
}

.init-panel-footer {
    display: flex;
    justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid var(--border-stroke);
    gap: 12px;
}

.btn-secondary {
    padding: 10px 20px;
    border: 1px solid var(--border-stroke);
    background: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: #f8fafc;
}

.btn-primary {
    padding: 10px 20px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    background: #1e40af;
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* ==================
   View Switching
   ================== */
.view-selector {
    position: relative;
}

.view-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 100;
    overflow: hidden;
    min-width: 80px;
}

.dropdown-item {
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--bg-app);
}

.dropdown-item.active {
    background: var(--accent);
    color: white;
}

/* ==================
   View Panels
   ================== */
.view-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

/* ==================
   Month View
   ================== */
.month-header-row {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border-bottom: 1px solid var(--border-stroke);
    background: rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 0;
    z-index: 10;
}

.month-day-header {
    padding: 8px 0;
    text-align: center;
    font-size: 11px;
    color: var(--text-sub);
    font-weight: 500;
    border-right: 1px solid var(--border-stroke);
}

.month-day-header:last-child {
    border-right: none;
}

.month-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: minmax(100px, 1fr);
    flex: 1;
    overflow-y: auto;
}

.month-cell {
    border-right: 1px solid var(--border-stroke);
    border-bottom: 1px solid var(--border-stroke);
    padding: 4px;
    min-height: 100px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.month-cell:nth-child(7n) {
    border-right: none;
}

.month-cell:hover {
    background: rgba(43, 86, 227, 0.03);
}

.month-cell.other-month {
    background: rgba(0, 0, 0, 0.02);
}

.month-cell.other-month .month-date {
    color: var(--text-sub);
    opacity: 0.3;
}

.month-date {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-main);
    margin-left: auto;
    margin-bottom: 4px;
}

.month-cell.today .month-date {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

.month-event {
    padding: 2px 6px;
    margin-bottom: 2px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
    color: white;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: var(--transition);
}

.month-event:hover {
    filter: brightness(1.1);
}

.month-event.month-container {
    border-left: 3px solid rgba(255,255,255,0.65);
}

.month-event.month-container.layer-1 {
    font-weight: 600;
    opacity: 0.9;
    border: 1px dashed rgba(255,255,255,0.85);
    border-left-width: 3px;
}

.month-event.month-container.layer-2 {
    opacity: 0.82;
    border: 1px dashed rgba(255,255,255,0.75);
    border-left-width: 3px;
}

.month-more {
    font-size: 10px;
    color: var(--text-sub);
    padding: 2px 4px;
    cursor: pointer;
}

.month-more:hover {
    color: var(--accent);
}

/* ==================
   Event Modal
   ================== */
.event-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.event-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}

.event-modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    width: 400px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlideIn 0.2s ease-out;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.event-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-stroke);
}

.event-modal-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.event-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-sub);
    padding: 4px;
    line-height: 1;
}

.event-modal-close:hover {
    color: var(--text-main);
}

.event-modal-body {
    padding: 20px;
}

.event-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--border-stroke);
}

/* Event Detail Styles */
.event-detail-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.event-detail-label {
    font-size: 13px;
    color: var(--text-sub);
    width: 60px;
    flex-shrink: 0;
}

.event-detail-value {
    font-size: 14px;
    color: var(--text-main);
}

.event-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
    vertical-align: middle;
}

.event-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
    background: var(--bg-app);
    color: var(--text-sub);
}

/* Form Styles */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-sub);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.color-picker {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.color-swatch:hover {
    transform: scale(1.15);
}

.color-swatch.active {
    border-color: var(--text-main);
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--text-sub);
}

.btn-cancel {
    padding: 8px 16px;
    border: 1px solid var(--border-stroke);
    background: white;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cancel:hover {
    background: var(--bg-app);
}

.btn-save {
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-save:hover {
    background: #1e40af;
}

.btn-delete {
    padding: 8px 16px;
    background: var(--red);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-delete:hover {
    background: #dc2626;
}

/* Modal: type toggle (容器 / 日程事件) */
.type-toggle {
    display: flex;
    background: var(--bg-app);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
    margin-bottom: 16px;
}
.type-btn {
    flex: 1;
    padding: 6px 0;
    border: none;
    background: none;
    border-radius: calc(var(--radius-sm) - 2px);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-sub);
    transition: var(--transition);
}
.type-btn.active {
    background: white;
    color: var(--text-main);
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.type-btn:disabled {
    cursor: not-allowed;
    opacity: 0.75;
}

.type-readonly {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    margin-bottom: 16px;
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    background: var(--bg-app);
    color: var(--text-sub);
    font-size: 13px;
    font-weight: 500;
}

/* Modal: form select */
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    background: white;
    cursor: pointer;
}
.form-group select:focus {
    border-color: var(--accent);
}

/* Modal: custom day picker */
.custom-days {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.day-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-stroke);
    background: white;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-sub);
    transition: var(--transition);
}
.day-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Modal: scope toggle (此次 / 全部) */
.scope-row {
    margin-top: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border-stroke);
}
.scope-row label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-sub);
    margin-bottom: 8px;
}
.scope-toggle {
    display: flex;
    gap: 8px;
}
.scope-btn {
    flex: 1;
    padding: 7px 0;
    border: 1px solid var(--border-stroke);
    background: white;
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    color: var(--text-sub);
    transition: var(--transition);
}
.scope-btn.active {
    border-color: var(--accent);
    background: var(--accent);
    color: white;
}
.scope-btn:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}
.scope-hint {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-sub);
}

/* Modal: delete group with dropdown */
.btn-delete-group {
    position: relative;
    margin-right: auto;
}
.btn-delete-split {
    display: flex;
    border-radius: var(--radius-sm);
    overflow: visible;
}
.btn-delete-main {
    padding: 8px 12px;
    background: var(--red);
    color: white;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}
.btn-delete-arrow {
    padding: 8px 8px;
    background: #dc2626;
    color: white;
    border: none;
    border-left: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 11px;
}
.delete-menu {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 0;
    background: white;
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    min-width: 120px;
    z-index: 10;
}
.delete-menu-item {
    padding: 10px 14px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-main);
    transition: var(--transition);
}
.delete-menu-item:hover {
    background: var(--bg-app);
}
.delete-menu-item.danger {
    color: var(--red);
}

/* Event Tooltip */
.event-tooltip {
    position: fixed;
    z-index: 3000;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 10px 14px;
    font-size: 13px;
    max-width: 240px;
    pointer-events: none;
    animation: fadeIn 0.12s ease;
    border-left: 3px solid var(--primary);
}
.event-tooltip .tt-title {
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.event-tooltip .tt-time {
    color: var(--text-sub);
    font-size: 12px;
}
.event-tooltip .tt-desc {
    color: var(--text-sub);
    font-size: 11px;
    margin-top: 4px;
    line-height: 1.4;
}

/* Search bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    padding: 2px 4px 2px 8px;
    animation: fadeIn 0.15s ease;
}
.search-bar input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    color: var(--text-main);
    width: 180px;
}
.search-close-btn {
    padding: 2px;
    opacity: 0.6;
}
.search-close-btn:hover { opacity: 1; }

/* Timetable badge icon */
.timetable-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 9px !important;
    opacity: 0.6;
    line-height: 1;
    pointer-events: none;
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
}

/* Timetable readonly modal */
.readonly-banner {
    background: var(--bg-app);
    border: 1px solid var(--border-stroke);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-sub);
    margin-bottom: 14px;
}
.readonly-value {
    margin: 0;
    font-size: 14px;
    color: var(--text-main);
    padding: 4px 0;
}
.readonly-hint {
    font-size: 12px;
    color: var(--text-sub);
    margin-top: 12px;
    line-height: 1.5;
}

/* All-day toggle */
.allday-toggle-row {
    padding: 2px 0;
}
.allday-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-main);
    font-weight: normal;
}
.allday-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ====================
   Responsive
   ==================== */
@media (max-width: 1200px) {
    .calendar-container {
        min-width: 700px;
    }
}

@media (max-width: 900px) {
    .main-content {
        min-width: 600px;
    }
    .calendar-toolbar {
        flex-wrap: wrap;
        gap: 12px;
    }
    .toolbar-left, .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }
}