/* ===== 查寝管理系统 — 深夜主题 ===== */

/* ---------- 基础变量 ---------- */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222533;
    --bg-input: #2a2d3a;
    --border: #2e3245;
    --text-primary: #e8e9ed;
    --text-secondary: #9498a8;
    --text-muted: #5c6078;
    --accent: #f0a030;
    --accent-hover: #f5b548;
    --accent-glow: rgba(240, 160, 48, 0.15);
    --success: #34d399;
    --danger: #f87171;
    --info: #60a5fa;
    --sidebar-width: 220px;
}

/* ---------- 全局 ---------- */
* { box-sizing: border-box; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    margin: 0;
    min-height: 100vh;
}

.app-layout {
    display: flex;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ---------- 侧边栏 ---------- */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.sidebar-brand h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: 0.5px;
}

.sidebar-brand .brand-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 8px var(--accent);
}

.sidebar-nav {
    flex: 1;
    padding: 8px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.sidebar-nav a.active {
    color: var(--accent);
    border-left-color: var(--accent);
    background: var(--accent-glow);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.sidebar-footer a {
    color: var(--text-muted);
    font-size: 13px;
}

/* ---------- 主内容区 ---------- */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px 40px;
    min-height: 100vh;
}

/* ---------- 页面标题 ---------- */
.page-header {
    margin-bottom: 28px;
}

.page-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 4px;
    color: var(--text-primary);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

/* ---------- 提示消息 ---------- */
.alert {
    border: none;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(52, 211, 153, 0.12);
    color: var(--success);
    border: 1px solid rgba(52, 211, 153, 0.2);
}

.alert-danger {
    background: rgba(248, 113, 113, 0.12);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.alert .btn-close {
    filter: invert(1);
    opacity: 0.4;
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.card-body { padding: 20px; }

/* ---------- 用户卡片网格 ---------- */
.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
}

.user-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: border-color 0.2s;
}

.user-card:hover {
    border-color: var(--accent);
}

.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.user-card-header .username {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-card-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.user-card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-card-meta .meta-label {
    color: var(--text-muted);
    min-width: 52px;
}

.user-card-times {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.time-tag {
    background: var(--accent-glow);
    color: var(--accent);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(240, 160, 48, 0.2);
}

.user-card-actions {
    display: flex;
    gap: 8px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.user-card-actions form { display: inline; }

/* ---------- 状态标签 ---------- */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

.status-dot.active {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

.status-dot.inactive {
    background: var(--text-muted);
}

/* ---------- 按钮 ---------- */
.btn {
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    padding: 6px 14px;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-accent {
    background: var(--accent);
    color: #000;
}

.btn-accent:hover {
    background: var(--accent-hover);
    color: #000;
    box-shadow: 0 0 16px var(--accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger-ghost {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.btn-danger-ghost:hover {
    background: rgba(248, 113, 113, 0.1);
}

.btn-test {
    background: transparent;
    color: var(--info);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.btn-test:hover {
    background: rgba(96, 165, 250, 0.1);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-full {
    width: 100%;
    padding: 10px;
    font-size: 14px;
}

/* ---------- 表单 ---------- */
.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 14px;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder { color: var(--text-muted); }

.form-text { color: var(--text-muted); font-size: 12px; }

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border);
}

.form-check-input:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.form-check-label { color: var(--text-secondary); font-size: 14px; }

/* ---------- 表格 ---------- */
.table {
    color: var(--text-primary);
    font-size: 14px;
    margin-bottom: 0;
}

.table thead th {
    background: var(--bg-secondary);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
    white-space: nowrap;
}

.table tbody td {
    border-bottom: 1px solid var(--border);
    padding: 12px 14px;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ---------- 徽章 ---------- */
.badge {
    font-size: 11px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
}

.badge-success {
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
}

.badge-danger {
    background: rgba(248, 113, 113, 0.15);
    color: var(--danger);
}

/* ---------- 分页 ---------- */
.pagination { gap: 4px; }

.page-link {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 13px;
}

.page-link:hover {
    background: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--border);
}

.page-item.active .page-link {
    background: var(--accent);
    border-color: var(--accent);
    color: #000;
}

/* ---------- 登录页 ---------- */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    background: var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px 36px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3);
}

.login-card h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.login-card .login-sub {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 28px;
}

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 16px;
}

/* ---------- 筛选栏 ---------- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.filter-bar .form-select {
    min-width: 160px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; padding: 20px; }
    .user-grid { grid-template-columns: 1fr; }
}

/* ---------- 日志时间线 ---------- */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.log-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.15s;
}

.log-item:hover {
    border-color: var(--text-muted);
}

.log-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 4px;
    flex-shrink: 0;
}

.log-success .log-indicator {
    background: var(--success);
    box-shadow: 0 0 8px rgba(52, 211, 153, 0.4);
}

.log-failure .log-indicator {
    background: var(--danger);
    box-shadow: 0 0 8px rgba(248, 113, 113, 0.4);
}

.log-body {
    flex: 1;
    min-width: 0;
}

.log-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.log-user {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.log-time {
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.log-message {
    font-size: 13px;
    color: var(--text-secondary);
    word-break: break-all;
    line-height: 1.5;
}

.log-success .log-message { color: var(--success); }
.log-failure .log-message { color: var(--danger); }

/* ---------- Toast 通知 ---------- */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 14px;
    max-width: 420px;
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.3s ease;
    word-break: break-all;
    line-height: 1.5;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-success {
    background: rgba(22, 163, 74, 0.95);
    color: #fff;
    box-shadow: 0 4px 20px rgba(22, 163, 74, 0.3);
}

.toast-danger {
    background: rgba(220, 38, 38, 0.95);
    color: #fff;
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.3);
}