/* ============================================
   工时记账 - 后台管理系统样式
   ============================================ */

/* --- CSS 变量 --- */
:root {
    --primary: #6C5CE7;
    --primary-light: #a855f7;
    --primary-dark: #5A4BD1;
    --success: #00D2A0;
    --warning: #FFB84D;
    --danger: #FF6B6B;
    --bg: #F5F6FA;
    --card-bg: #FFFFFF;
    --text: #2D3436;
    --text-light: #636E72;
    --text-muted: #B2BEC3;
    --border: #EEEFf2;
    --sidebar-width: 240px;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* --- 基础重置 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

a { text-decoration: none; color: var(--primary); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 600; color: var(--text-light); font-size: 13px; background: #FAFBFC; }
tr:hover td { background: rgba(108,92,231,0.02); }

/* --- 登录页 --- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #6C5CE7 0%, #a855f7 100%);
}

.login-container {
    width: 400px;
    max-width: 90vw;
}

.login-card {
    background: #FFF;
    border-radius: 20px;
    padding: 48px 40px;
    box-shadow: 0 20px 60px rgba(108,92,231,0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo {
    font-size: 48px;
    margin-bottom: 12px;
}

.login-header h1 {
    font-size: 24px;
    color: var(--text);
    margin-bottom: 4px;
}

.login-header p {
    font-size: 14px;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    height: 44px;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 0 16px;
    font-size: 14px;
    transition: border-color .2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
}

.form-error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(255,107,107,0.08);
    border-radius: 8px;
}

.btn-login {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #FFF;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
}

.btn-login:hover { opacity: 0.9; }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

.login-tip {
    margin-top: 24px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

/* --- 管理布局 --- */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: #1E1E2E;
    color: #FFF;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-icon { font-size: 28px; }

.brand-text {
    font-size: 18px;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    font-weight: 500;
    transition: all .15s;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: #FFF;
}

.nav-item.active {
    background: var(--primary);
    color: #FFF;
}

.nav-icon { font-size: 18px; }

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.logout-btn:hover {
    background: rgba(255,107,107,0.15);
    color: var(--danger);
}

/* 主内容区 */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 28px 32px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-desc {
    color: var(--text-light);
    font-size: 14px;
}

/* 统计卡片网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

@media (max-width: 1200px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 2px;
}

/* 表格卡片 */
.table-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
}

.table-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.table-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-input {
    height: 36px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 12px;
    font-size: 13px;
    outline: none;
    transition: border-color .2s;
    width: 200px;
}

.search-input:focus {
    border-color: var(--primary);
}

.table-wrap {
    overflow-x: auto;
}

.table-footer {
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

/* 按钮 */
.btn-sm {
    height: 30px;
    padding: 0 14px;
    border-radius: 6px;
    border: none;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity .15s;
}

.btn-sm:hover { opacity: 0.85; }

.btn-primary {
    background: var(--primary);
    color: #FFF;
}

.btn-danger {
    background: rgba(255,107,107,0.1);
    color: var(--danger);
}

.page-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #FFF;
    font-size: 13px;
    cursor: pointer;
    transition: all .15s;
}

.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active {
    background: var(--primary);
    color: #FFF;
    border-color: var(--primary);
}

/* 用户信息卡 */
.user-info-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    color: #FFF;
}

.avatar-sm {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.3);
}

.avatar-md {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255,255,255,0.3);
}

.user-info-detail {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-info-detail strong {
    font-size: 18px;
}

.user-info-detail span {
    font-size: 13px;
    opacity: 0.85;
}

.user-stats {
    display: flex;
    gap: 24px;
    font-size: 13px;
}

.user-stats strong {
    font-size: 16px;
}

/* 收入单元格 */
.income-cell {
    color: var(--success);
    font-weight: 600;
}

/* 工具类 */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* ============================================
   设置页面样式
   ============================================ */

/* Tab 切换 */
.settings-tabs {
    display: flex;
    gap: 4px;
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 4px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.tab-btn {
    flex: 1;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: all .2s;
}

.tab-btn.active {
    background: var(--primary);
    color: #FFF;
}

.tab-btn:hover:not(.active) {
    color: var(--text);
}

/* 表单样式 */
.form-body {
    padding: 24px 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    height: 42px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 0 14px;
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: border-color .2s;
    background: #FFF;
}

.form-input:focus {
    border-color: var(--primary);
}

.form-textarea {
    width: 100%;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: border-color .2s;
    background: #FFF;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

.form-textarea:focus {
    border-color: var(--primary);
}

.form-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-row {
    display: flex;
    gap: 16px;
}

.flex-1 {
    flex: 1;
}

.form-actions {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* 主按钮 */
.btn-primary {
    height: 42px;
    padding: 0 32px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #FFF;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity .2s;
}

.btn-primary:hover { opacity: 0.9; }

/* 开关 */
.toggle-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle-switch input {
    display: none;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 13px;
    transition: background .2s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #FFF;
    border-radius: 50%;
    transition: transform .2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

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

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* 信息说明框 */
.info-box {
    padding: 16px;
    background: rgba(108,92,231,0.04);
    border-radius: 10px;
    border-left: 3px solid var(--primary);
}

.info-box h4 {
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--text);
}

.info-box ol, .info-box ul {
    padding-left: 20px;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.8;
}

.info-box a {
    color: var(--primary);
    text-decoration: underline;
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23636E72' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}