/* ================================================================
   设备运行监控系统 - 全局样式
   主题：工业蓝 (#2563EB)
   响应式：移动优先
   ================================================================ */

/* ================================================================
   1. CSS 变量
   ================================================================ */
:root {
    /* 主色 */
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #3B82F6;
    --primary-bg: #EFF6FF;

    /* 状态色 */
    --running: #22C55E;
    --running-bg: #DCFCE7;
    --stopped: #9CA3AF;
    --stopped-bg: #F3F4F6;
    --danger: #EF4444;
    --warning: #F59E0B;

    /* 灰度 */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* 字号 */
    --text-xs: 12px;
    --text-sm: 14px;
    --text-base: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;

    /* 间距 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* 圆角 */
    --radius: 8px;
    --radius-lg: 12px;

    /* 阴影 */
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

    /* 过渡 */
    --transition: 0.2s ease;
}


/* ================================================================
   2. 全局重置
   ================================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: env(safe-area-inset-bottom);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--gray-100);
}
::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* 按钮重置 */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

/* 输入框重置 */
input {
    font-family: inherit;
    font-size: 16px; /* 防 iOS 缩放 */
}


/* ================================================================
   3. 登录页面
   ================================================================ */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1E3A5F 0%, var(--primary) 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px 32px;
    box-shadow: var(--shadow-lg);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 8px;
}

.login-brand h1 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: 1px;
}

.login-subtitle {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: 4px;
}

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

.login-card .form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.input-wrapper {
    display: flex;
    align-items: center;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: border-color var(--transition);
    background: #fff;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input-icon {
    padding: 0 12px;
    color: var(--gray-400);
    font-size: 18px;
    user-select: none;
}

.input-wrapper input {
    flex: 1;
    padding: 12px 12px 12px 0;
    border: none;
    outline: none;
    background: transparent;
    min-height: 48px;
    color: var(--gray-800);
}

.input-wrapper input::placeholder {
    color: var(--gray-400);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #fff;
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius);
    transition: background var(--transition);
    margin-top: 8px;
    min-height: 52px;
}

.btn-login:hover {
    background: var(--primary-dark);
}
.btn-login:disabled {
    background: var(--gray-400);
    cursor: not-allowed;
}

.login-hint {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: 20px;
}

.login-error {
    margin-top: 16px;
    padding: 12px;
    background: #FEF2F2;
    border: 1px solid #FECACA;
    border-radius: var(--radius);
    color: var(--danger);
    font-size: var(--text-sm);
    text-align: center;
}


/* ================================================================
   4. 主页面布局
   ================================================================ */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    flex-wrap: wrap;
    gap: 8px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    font-size: var(--text-xl);
}

.app-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-900);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-sm);
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
}

.user-role {
    padding: 2px 10px;
    border-radius: 20px;
    font-size: var(--text-xs);
    background: var(--gray-200);
    color: var(--gray-600);
}

.user-role.admin {
    background: var(--primary-bg);
    color: var(--primary);
}

.btn-logout {
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--gray-600);
    background: var(--gray-100);
    transition: all var(--transition);
}

.btn-logout:hover {
    background: #FEE2E2;
    color: var(--danger);
}


/* ================================================================
   5. 统计栏
   ================================================================ */
.stats-bar {
    display: flex;
    gap: 16px;
    padding: 12px 16px;
    background: var(--primary);
    color: #fff;
    flex-wrap: wrap;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
}

.stats-label {
    opacity: 0.85;
}

.stats-value {
    font-weight: 700;
    font-size: var(--text-base);
}


/* ================================================================
   6. 设备类型标签栏
   ================================================================ */
.type-tabs {
    display: flex;
    gap: 6px;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
}
.type-tabs::-webkit-scrollbar {
    display: none;
}

.type-tab {
    flex-shrink: 0;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-600);
    background: var(--gray-100);
    transition: all var(--transition);
    white-space: nowrap;
}

.type-tab:active {
    transform: scale(0.96);
}
.type-tab.active {
    background: var(--primary);
    color: #fff;
}
.type-tab .badge {
    display: inline-block;
    margin-left: 4px;
    font-size: var(--text-xs);
    background: rgba(255,255,255,0.3);
    padding: 0 6px;
    border-radius: 10px;
    font-weight: 400;
}
.type-tab.active .badge {
    background: rgba(255,255,255,0.25);
}


/* ================================================================
   7. 工具栏
   ================================================================ */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 8px;
}

.search-box {
    flex: 1;
    min-width: 160px;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 8px 14px;
    border: 2px solid var(--gray-200);
    border-radius: 20px;
    font-size: var(--text-sm);
    outline: none;
    transition: border-color var(--transition);
    background: var(--gray-50);
    min-height: 40px;
}

.search-box input:focus {
    border-color: var(--primary);
    background: #fff;
}

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

.device-count {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.btn-admin {
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: var(--text-sm);
    background: var(--primary);
    color: #fff;
    transition: background var(--transition);
}

.btn-admin:hover {
    background: var(--primary-dark);
}


/* ================================================================
   8. 设备卡片网格
   ================================================================ */
.device-grid {
    display: grid;
    gap: 12px;
    padding: 12px 16px;
    grid-template-columns: 1fr;
}

/* 设备卡片 */
.device-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--stopped);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.device-card.running {
    border-left-color: var(--running);
}

.device-card .card-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.device-card .device-name {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--gray-900);
}

.device-card .device-tag {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.device-card .device-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
    font-weight: 500;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot.running {
    background: var(--running);
    animation: pulse-dot 1.5s ease-in-out infinite;
}
.status-dot.stopped {
    background: var(--stopped);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.device-card .device-duration {
    font-size: var(--text-sm);
    color: var(--gray-500);
}

.device-card .device-type {
    font-size: var(--text-xs);
    padding: 2px 10px;
    border-radius: 12px;
    background: var(--gray-100);
    color: var(--gray-600);
}

.device-card .card-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.btn-start {
    flex: 1;
    padding: 10px;
    border-radius: var(--radius);
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    transition: background var(--transition);
    min-height: 44px;
}
.btn-start:hover {
    background: var(--primary-dark);
}
.btn-start:active {
    transform: scale(0.97);
}

.btn-stop {
    flex: 1;
    padding: 10px;
    border-radius: var(--radius);
    font-weight: 600;
    background: var(--danger);
    color: #fff;
    transition: background var(--transition);
    min-height: 44px;
}
.btn-stop:hover {
    background: #DC2626;
}
.btn-stop:active {
    transform: scale(0.97);
}

.btn-start:disabled,
.btn-stop:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}


/* ================================================================
   9. 分页
   ================================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 16px;
    flex-wrap: wrap;
}

.pagination button {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius);
    font-size: var(--text-sm);
    color: var(--gray-600);
    background: #fff;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.pagination button:active {
    transform: scale(0.94);
}
.pagination button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.pagination button:hover:not(:disabled):not(.active) {
    background: var(--gray-100);
}


/* ================================================================
   10. 统计报表区域
   ================================================================ */
.statistics-section {
    padding: 16px;
    background: #fff;
    margin-top: 8px;
    border-top: 4px solid var(--primary);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: var(--text-lg);
    color: var(--gray-900);
}

.btn-export {
    padding: 8px 18px;
    border-radius: var(--radius);
    font-size: var(--text-sm);
    font-weight: 500;
    background: var(--primary);
    color: #fff;
    transition: background var(--transition);
    min-height: 40px;
}
.btn-export:hover {
    background: var(--primary-dark);
}

/* 类型汇总卡片 */
.type-summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.type-summary-item {
    padding: 12px;
    border-radius: var(--radius);
    background: var(--gray-50);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}
.type-summary-item.highlight {
    border-color: var(--primary);
    background: var(--primary-bg);
}
.type-summary-item .type-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-700);
}
.type-summary-item .type-hours {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--primary);
}
.type-summary-item .type-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}
.type-summary-item .type-bar-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.6s ease;
}

/* 排行表格 */
.rank-table-wrapper h3 {
    font-size: var(--text-base);
    color: var(--gray-700);
    margin-bottom: 12px;
}

.rank-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.rank-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.rank-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--gray-100);
    font-weight: 600;
    color: var(--gray-600);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.rank-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.rank-table tr:last-child td {
    border-bottom: none;
}

.rank-table .rank-medal {
    font-weight: 700;
}
.rank-table .rank-medal.gold { color: #F59E0B; }
.rank-table .rank-medal.silver { color: #9CA3AF; }
.rank-table .rank-medal.bronze { color: #D97706; }

.rank-table .status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: var(--text-xs);
    font-weight: 500;
}
.rank-table .status-badge.running {
    background: var(--running-bg);
    color: #16A34A;
}
.rank-table .status-badge.stopped {
    background: var(--stopped-bg);
    color: var(--gray-500);
}


/* ================================================================
   11. 管理弹窗
   ================================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
    animation: fade-in 0.2s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    animation: slide-up 0.25s ease;
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal-header h2 {
    font-size: var(--text-lg);
    color: var(--gray-900);
}

.modal-close {
    font-size: 24px;
    color: var(--gray-400);
    padding: 4px 8px;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
}
.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal .form-group {
    margin-bottom: 16px;
}
.modal .form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 4px;
}
.modal .form-group input,
.modal .form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: var(--text-base);
    outline: none;
    transition: border-color var(--transition);
    background: #fff;
    min-height: 44px;
}
.modal .form-group input:focus,
.modal .form-group select:focus {
    border-color: var(--primary);
}

.modal .form-group .hint {
    font-size: var(--text-xs);
    color: var(--gray-400);
    margin-top: 4px;
}

.modal .modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.modal .btn-primary {
    flex: 1;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    transition: background var(--transition);
    min-height: 44px;
}
.modal .btn-primary:hover {
    background: var(--primary-dark);
}

.modal .btn-secondary {
    flex: 1;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    background: var(--gray-100);
    color: var(--gray-600);
    transition: background var(--transition);
    min-height: 44px;
}
.modal .btn-secondary:hover {
    background: var(--gray-200);
}

.modal .btn-danger {
    flex: 1;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    background: var(--danger);
    color: #fff;
    transition: background var(--transition);
    min-height: 44px;
}
.modal .btn-danger:hover {
    background: #DC2626;
}

/* 管理面板 Tab 切换 */
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--gray-200);
    overflow-x: auto;
}
.admin-tab {
    padding: 8px 16px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.admin-tab:hover {
    color: var(--gray-700);
}
.admin-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* 管理列表 */
.admin-list {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}
.admin-list th {
    text-align: left;
    padding: 8px 10px;
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    font-size: var(--text-xs);
}
.admin-list td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}
.admin-list .actions {
    display: flex;
    gap: 4px;
}
.admin-list .actions button {
    padding: 4px 10px;
    border-radius: var(--radius);
    font-size: var(--text-xs);
    transition: all var(--transition);
}
.admin-list .btn-edit {
    background: var(--primary-bg);
    color: var(--primary);
}
.admin-list .btn-edit:hover {
    background: var(--primary);
    color: #fff;
}
.admin-list .btn-delete {
    background: #FEF2F2;
    color: var(--danger);
}
.admin-list .btn-delete:hover {
    background: var(--danger);
    color: #fff;
}
.admin-list .btn-toggle {
    background: var(--gray-100);
    color: var(--gray-600);
}
.admin-list .btn-toggle:hover {
    background: var(--gray-300);
}


/* ================================================================
   12. Toast 提示
   ================================================================ */
.toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 360px;
    width: calc(100% - 32px);
    pointer-events: none;
}

.toast {
    padding: 12px 18px;
    border-radius: var(--radius);
    background: var(--gray-900);
    color: #fff;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease;
    pointer-events: auto;
}

.toast-success {
    background: #16A34A;
}
.toast-error {
    background: var(--danger);
}
.toast-warning {
    background: var(--warning);
}
.toast-info {
    background: var(--primary);
}

.toast.fade-out {
    animation: toast-out 0.3s ease forwards;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(30px);
    }
}


/* ================================================================
   13. 响应式 - 平板
   ================================================================ */
@media (min-width: 640px) {
    .device-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .type-summary {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .stats-bar {
        padding: 12px 24px;
    }
    .toolbar {
        padding: 12px 24px;
    }
    .device-grid {
        padding: 12px 24px;
    }
    .statistics-section {
        padding: 20px 24px;
    }
    .app-header {
        padding: 12px 24px;
    }
    .type-tabs {
        padding: 12px 24px;
    }
    .pagination {
        padding: 12px 24px;
    }
}


/* ================================================================
   14. 响应式 - 桌面
   ================================================================ */
@media (min-width: 1024px) {
    .device-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        padding: 16px 32px;
    }

    .type-summary {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

    .app-header {
        padding: 12px 32px;
    }
    .stats-bar {
        padding: 12px 32px;
    }
    .toolbar {
        padding: 12px 32px;
    }
    .type-tabs {
        padding: 12px 32px;
    }
    .statistics-section {
        padding: 24px 32px;
    }
    .pagination {
        padding: 12px 32px;
    }

    .device-card {
        padding: 18px 20px;
    }
}


/* ================================================================
   15. 响应式 - 大屏
   ================================================================ */
@media (min-width: 1400px) {
    .device-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}


/* ================================================================
   16. 工具类
   ================================================================ */
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.w-full { width: 100%; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }