/* ==================== 
   GitHub风格现代化样式系统
   ==================== */

:root {
    /* GitHub Dark Mode Colors */
    --gh-canvas-default: #0d1117;
    --gh-canvas-subtle: #161b22;
    --gh-border-default: #30363d;
    --gh-border-muted: #21262d;
    
    --gh-fg-default: #c9d1d9;
    --gh-fg-muted: #8b949e;
    --gh-fg-subtle: #484f58;
    
    --gh-accent-fg: #58a6ff;
    --gh-accent-emphasis: #1f6feb;
    --gh-success-fg: #3fb950;
    --gh-danger-fg: #f85149;
    --gh-attention-fg: #d29922;
    
    --gh-btn-bg: #21262d;
    --gh-btn-border: rgba(240,246,252,0.1);
    --gh-btn-shadow: 0 0 transparent;
    --gh-btn-hover-bg: #30363d;
    --gh-btn-hover-border: #8b949e;
    
    /* Theme Colors */
    --primary-color: #58a6ff;
    --primary-hover: #1f6feb;
    --success-color: #238636;
    --danger-color: #da3633;
    --warning-color: #9e6a03;
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 0 rgba(255,255,255,0.04);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--gh-canvas-subtle);
    color: var(--gh-fg-default) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "PingFang SC", "Microsoft YaHei";
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

/* ==================== 
   导航栏样式
   ==================== */
.navbar-custom {
    background-color: var(--gh-canvas-default);
    border-bottom: 1px solid var(--gh-border-default);
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    color: var(--gh-fg-default) !important;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-brand:hover {
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--gh-fg-default) !important;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover {
    background-color: var(--gh-canvas-subtle);
    color: var(--primary-color) !important;
}

/* ==================== 
   按钮系统
   ==================== */
.btn {
    font-size: 14px;
    font-weight: 500;
    padding: 5px 16px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    border: 1px solid;
    line-height: 20px;
}

.btn-primary-custom {
    background-color: var(--primary-color);
    border-color: rgba(31,35,40,0.15);
    color: white;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255,255,255,0.25);
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    border-color: rgba(31,35,40,0.15);
    color: white;
}

.btn-primary-custom:active {
    background-color: #033d8b;
    box-shadow: inset 0 1px 0 rgba(31,35,40,0.15);
}

.btn-primary-custom:disabled,
.btn-primary-custom[disabled],
.btn-disabled {
    background-color: var(--gh-border-default) !important;
    border-color: var(--gh-border-default) !important;
    color: var(--gh-fg-muted) !important;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background-color: var(--gh-btn-bg);
    border-color: var(--gh-btn-border);
    color: var(--gh-fg-default);
    box-shadow: var(--gh-btn-shadow);
}

.btn-secondary:hover {
    background-color: var(--gh-btn-hover-bg);
    border-color: var(--gh-btn-hover-border);
    color: var(--gh-fg-default);
}

.btn-success {
    background-color: var(--success-color);
    border-color: rgba(31,35,40,0.15);
    color: white;
}

.btn-success:hover {
    background-color: #1a7f37;
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: rgba(31,35,40,0.15);
    color: white;
}

.btn-danger:hover {
    background-color: #a40e26;
    color: white;
}

.btn-sm {
    font-size: 12px;
    padding: 3px 12px;
}

.btn-lg {
    font-size: 16px;
    padding: 10px 24px;
}

/* ==================== 
   卡片样式
   ==================== */
.card {
    background-color: var(--gh-canvas-default);
    border: 1px solid var(--gh-border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    color: var(--gh-fg-default);
}

.card-header {
    background-color: var(--gh-canvas-subtle);
    border-bottom: 1px solid var(--gh-border-default);
    padding: 16px;
    font-weight: 600;
    font-size: 14px;
    color: var(--gh-fg-default) !important;
}

.card-body {
    padding: 16px;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transition: box-shadow 0.2s ease;
}

/* ==================== 
   标题样式
   ==================== */
.section-title {
    border-bottom: 1px solid var(--gh-border-default);
    padding-bottom: 8px;
    margin-bottom: 16px;
    color: var(--gh-fg-default) !important;
    font-size: 20px;
    font-weight: 600;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    color: var(--gh-fg-default) !important;
}

/* ==================== 
   表格样式
   ==================== */
.table {
    font-size: 13px;
    color: var(--gh-fg-default);
    --bs-table-color: var(--gh-fg-default);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--gh-border-default);
    --bs-table-striped-bg: var(--gh-canvas-subtle);
    --bs-table-striped-color: var(--gh-fg-default);
    --bs-table-active-bg: var(--gh-canvas-subtle);
    --bs-table-active-color: var(--gh-fg-default);
    --bs-table-hover-bg: var(--gh-canvas-subtle);
    --bs-table-hover-color: var(--gh-fg-default);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--gh-canvas-subtle);
}

.schedule-table {
    background-color: var(--gh-canvas-default);
    border: 1px solid var(--gh-border-default);
}

.schedule-table th {
    background-color: var(--gh-canvas-subtle);
    color: var(--gh-fg-default);
    text-align: center;
    font-weight: 600;
    border: 1px solid var(--gh-border-default);
    padding: 12px 8px;
}

.schedule-table td {
    height: 100px;
    vertical-align: middle;
    text-align: center;
    border: 1px solid var(--gh-border-default);
    transition: all 0.15s ease;
    position: relative;
    /* Removed default background-color to allow classes to control it */
}

.schedule-table .slot-available {
    background-color: var(--gh-canvas-default);
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 500;
}

.schedule-table .slot-available:hover {
    background-color: rgba(56, 139, 253, 0.15);
    border-color: var(--primary-color);
}

.schedule-table .slot-booked {
    background-color: #21262d !important; /* Force gray background */
    background-image: none;
    color: var(--gh-fg-muted);
    cursor: not-allowed;
    border-color: var(--gh-border-default);
}

.schedule-table .slot-booked-mine {
    background-color: rgba(35, 134, 54, 0.4) !important; /* Force dark green background */
    background-image: none;
    color: var(--gh-success-fg);
    cursor: pointer;
    font-weight: 500;
    border-color: var(--success-color);
    box-shadow: inset 0 0 0 1px rgba(46, 160, 67, 0.4);
}

.schedule-table .slot-booked-mine:hover {
    background-color: rgba(35, 134, 54, 0.5) !important;
}

.legend-swatch {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid var(--gh-border-default);
    border-radius: 3px;
    vertical-align: middle;
}

.legend-available { background-color: var(--gh-canvas-default); }
.legend-booked { background-color: #21262d; }
.legend-mine { background-color: rgba(35, 134, 54, 0.4); border-color: var(--success-color); }

/* ==================== 
   状态徽章
   ==================== */
.status-badge {
    font-size: 14px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 24px;
    display: inline-block;
}

.status-idle { 
    background-color: #1a7f37; 
    color: white; 
}

.status-reserved { 
    background-color: #bf8700; 
    color: white; 
}

.status-running { 
    background-color: #0969da; 
    color: white; 
}

.status-paused { 
    background-color: #d1242f; 
    color: white; 
}

/* ==================== 
   表单样式
   ==================== */
.form-control, .form-select {
    background-color: var(--gh-canvas-default);
    border: 1px solid var(--gh-border-default);
    border-radius: var(--radius-sm);
    color: var(--gh-fg-default) !important;
    font-size: 14px;
    padding: 5px 12px;
    transition: all 0.2s ease;
}

.form-control::placeholder {
    color: var(--gh-fg-muted) !important;
    opacity: 1;
}

.form-control:focus, .form-select:focus {
    background-color: #ffffff !important;
    color: #000000 !important;
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(9,105,218,0.3);
}

/* 修复自动填充时的背景色问题 */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--gh-canvas-default) inset !important;
    -webkit-text-fill-color: var(--gh-fg-default) !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* 当自动填充且聚焦时，切换为白底黑字 */
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 30px #ffffff inset !important;
    -webkit-text-fill-color: #000000 !important;
}

.form-label {
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--gh-fg-default);
}

/* ==================== 
   Alert提示框
   ==================== */
.alert {
    border-radius: var(--radius-md);
    border: 1px solid;
    padding: 16px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-danger {
    background-color: rgba(248, 81, 73, 0.1);
    border-color: rgba(248, 81, 73, 0.4);
    color: var(--gh-danger-fg);
}

.alert-success {
    background-color: rgba(46, 160, 67, 0.1);
    border-color: rgba(46, 160, 67, 0.4);
    color: var(--gh-success-fg);
}

.alert-warning {
    background-color: rgba(187, 128, 9, 0.1);
    border-color: rgba(187, 128, 9, 0.4);
    color: var(--gh-attention-fg);
}

/* ==================== 
   Container样式
   ==================== */
.container {
    max-width: 1280px;
    padding: 0 16px;
}

/* ==================== 
   工具类
   ==================== */
.text-muted {
    color: var(--gh-fg-muted) !important;
}

.bg-light {
    background-color: var(--gh-canvas-subtle) !important;
    color: var(--gh-fg-default) !important;
}

.border-danger {
    border-color: var(--danger-color) !important;
}

/* ==================== 
   响应式设计
   ==================== */
@media (max-width: 768px) {
    body {
        font-size: 13px;
    }
    
    .navbar-brand {
        font-size: 14px;
    }
    
    .schedule-table td {
        height: 80px;
        font-size: 12px;
    }
    
    .btn {
        font-size: 13px;
        padding: 4px 12px;
    }
}

/* ==================== 
   动画效果
   ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* ==================== 
   Modal弹窗
   ==================== */
.modal-content {
    background-color: var(--gh-canvas-default);
    color: var(--gh-fg-default);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gh-border-default);
}

.modal-header {
    background-color: var(--gh-canvas-subtle);
    border-bottom: 1px solid var(--gh-border-default);
    padding: 16px 24px;
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    background-color: var(--gh-canvas-subtle);
    border-top: 1px solid var(--gh-border-default);
    padding: 16px 24px;
}

.slot-pending {
    background-color: rgba(210, 153, 34, 0.15) !important;
    color: var(--gh-attention-fg) !important;
    border: 1px dashed var(--gh-attention-fg) !important;
    cursor: pointer;
}
.legend-pending {
    background-color: rgba(210, 153, 34, 0.15);
    border: 1px dashed var(--gh-attention-fg);
}
.slot-pending {
    background-color: rgba(210, 153, 34, 0.15) !important;
    color: var(--gh-attention-fg) !important;
    border: 1px dashed var(--gh-attention-fg) !important;
    cursor: pointer;
}
.legend-pending {
    background-color: rgba(210, 153, 34, 0.15);
    border: 1px dashed var(--gh-attention-fg);
}