/* ECNS Platform - Main Stylesheet (Design Baseline v1.0)
 * Copyright (c) Edge Cloud Globe Co., Limited
 *
 * 与 Tailwind CDN 共存：仅承载设计基线的 CSS 变量、品牌色、字体、滚动条、
 * 焦点环、动画与少量原子组件类（按钮/徽章/卡片/输入框/标签页）。
 * 任何新增页面应优先使用本文件中以 `ecns-` 前缀的类名，避免 Tailwind 类零散散落。
 */

:root {
  /* 品牌主色与语义色 */
  --ecns-primary: #2563eb;        /* blue-600 */
  --ecns-primary-strong: #1d4ed8; /* blue-700 */
  --ecns-primary-soft: #dbeafe;   /* blue-100 */
  --ecns-secondary: #0f172a;      /* slate-900 */
  --ecns-accent: #38bdf8;         /* sky-400 */

  --ecns-success: #059669;
  --ecns-success-soft: #d1fae5;
  --ecns-warning: #d97706;
  --ecns-warning-soft: #fef3c7;
  --ecns-danger: #dc2626;
  --ecns-danger-soft: #fee2e2;

  /* 中性色系 */
  --ecns-bg: #f8fafc;        /* slate-50 */
  --ecns-surface: #ffffff;
  --ecns-border: #e2e8f0;    /* slate-200 */
  --ecns-text: #0f172a;
  --ecns-muted: #64748b;     /* slate-500 */

  /* 圆角与阴影 */
  --ecns-radius-sm: 6px;
  --ecns-radius: 10px;
  --ecns-radius-lg: 14px;
  --ecns-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
  --ecns-shadow: 0 4px 16px rgba(15, 23, 42, .08);
  --ecns-shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
}

/* ---------- 全局 ---------- */
html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei',
    'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ecns-text);
  background: var(--ecns-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 自定义滚动条（仅桌面端 webkit） */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: rgba(100,116,139,.35);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(100,116,139,.55); }
::-webkit-scrollbar-track { background: transparent; }

/* 焦点可见性（无障碍） */
:focus-visible {
  outline: 2px solid var(--ecns-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 品牌登录背景 ---------- */
.ecns-auth-bg {
  background:
    radial-gradient(80rem 40rem at 110% -10%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(60rem 30rem at -10% 110%, rgba(37,99,235,.18), transparent 60%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #e2e8f0;
}

.ecns-auth-card {
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(8px);
  border: 1px solid rgba(226,232,240,.6);
  border-radius: var(--ecns-radius-lg);
  box-shadow: var(--ecns-shadow-lg);
}

/* ---------- 控制台外壳 ---------- */
.ecns-shell {
  display: flex;
  min-height: 100vh;
  background: var(--ecns-bg);
}

.ecns-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #0f172a 0%, #111c2e 100%);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.ecns-sidebar-brand {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.ecns-sidebar-brand .title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .2px;
}
.ecns-sidebar-brand .subtitle {
  margin-top: 2px;
  font-size: 11px;
  color: rgba(226,232,240,.55);
  letter-spacing: .4px;
  text-transform: uppercase;
}

.ecns-sidebar-group {
  margin-top: 14px;
  padding: 0 20px 4px;
  font-size: 11px;
  font-weight: 600;
  color: rgba(226,232,240,.55);
  text-transform: uppercase;
  letter-spacing: .8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.ecns-sidebar-group.placeholder { color: rgba(226,232,240,.30); cursor: default; }
.ecns-sidebar-group:hover:not(.placeholder) { color: #fff; }

.ecns-sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px 8px 32px;
  font-size: 13px;
  color: rgba(226,232,240,.78);
  border-left: 3px solid transparent;
  transition: background .15s, color .15s, border-color .15s;
}
.ecns-sidebar-link:hover { background: rgba(255,255,255,.04); color: #fff; }
.ecns-sidebar-link.is-active {
  background: rgba(37,99,235,.12);
  color: #fff;
  border-left-color: var(--ecns-primary);
}

.ecns-sidebar-link.is-toplevel {
  padding-left: 20px;
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
}

.ecns-sidebar-footer {
  margin-top: auto;
  padding: 12px 20px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: 12px;
  color: rgba(226,232,240,.6);
}
.ecns-sidebar-footer a {
  color: #93c5fd;
}
.ecns-sidebar-footer a:hover { color: #bfdbfe; }

.ecns-main {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ---------- 通用页面骨架 ---------- */
.ecns-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.ecns-page-header h1,
.ecns-page-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ecns-text);
  margin: 0;
}
.ecns-page-subtitle {
  margin-top: 2px;
  font-size: 13px;
  color: var(--ecns-muted);
}
.ecns-page-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ecns-card {
  background: var(--ecns-surface);
  border: 1px solid var(--ecns-border);
  border-radius: var(--ecns-radius);
  box-shadow: var(--ecns-shadow-sm);
  overflow: hidden;
}
.ecns-card-pad { padding: 16px 18px; }

/* ---------- 按钮 ---------- */
.ecns-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  border-radius: var(--ecns-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.ecns-btn:disabled { opacity: .55; cursor: not-allowed; }

.ecns-btn-primary { background: var(--ecns-primary); color: #fff; }
.ecns-btn-primary:hover:not(:disabled) { background: var(--ecns-primary-strong); }

.ecns-btn-secondary { background: #f1f5f9; color: var(--ecns-text); border-color: var(--ecns-border); }
.ecns-btn-secondary:hover:not(:disabled) { background: #e2e8f0; }

.ecns-btn-ghost { background: transparent; color: var(--ecns-text); border-color: var(--ecns-border); }
.ecns-btn-ghost:hover:not(:disabled) { background: #f1f5f9; }

.ecns-btn-success { background: var(--ecns-success); color: #fff; }
.ecns-btn-success:hover:not(:disabled) { background: #047857; }

.ecns-btn-danger { background: var(--ecns-danger); color: #fff; }
.ecns-btn-danger:hover:not(:disabled) { background: #b91c1c; }

.ecns-btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 5px; }
.ecns-btn-link { background: transparent; border: 0; color: var(--ecns-primary); padding: 0; font-size: 12px; }
.ecns-btn-link:hover { text-decoration: underline; }
.ecns-btn-link.is-danger { color: var(--ecns-danger); }
.ecns-btn-link.is-warning { color: var(--ecns-warning); }
.ecns-btn-link.is-success { color: var(--ecns-success); }

/* ---------- 输入控件 ---------- */
.ecns-input,
.ecns-select,
.ecns-textarea {
  width: 100%;
  font-size: 13px;
  color: var(--ecns-text);
  background: #fff;
  border: 1px solid var(--ecns-border);
  border-radius: var(--ecns-radius-sm);
  padding: 8px 12px;
  transition: border-color .15s, box-shadow .15s;
}
.ecns-input:focus,
.ecns-select:focus,
.ecns-textarea:focus {
  outline: none;
  border-color: var(--ecns-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.18);
}
.ecns-input.is-mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; }
.ecns-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ecns-muted);
  margin-bottom: 4px;
  letter-spacing: .2px;
}
.ecns-help {
  font-size: 11px;
  color: var(--ecns-muted);
  margin-top: 4px;
  line-height: 1.5;
}

/* ---------- 状态徽章 ---------- */
.ecns-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--ecns-muted);
}
.ecns-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: .7;
}
.ecns-badge-success { background: var(--ecns-success-soft); color: #047857; }
.ecns-badge-warning { background: var(--ecns-warning-soft); color: #b45309; }
.ecns-badge-danger  { background: var(--ecns-danger-soft);  color: #b91c1c; }
.ecns-badge-info    { background: var(--ecns-primary-soft); color: var(--ecns-primary-strong); }
.ecns-badge-muted   { background: #f1f5f9; color: var(--ecns-muted); }

/* 仅文字标签（无圆点） */
.ecns-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 11px;
  border-radius: 4px;
  background: #f1f5f9;
  color: var(--ecns-muted);
  font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

/* ---------- 数据表格 ---------- */
.ecns-table { width: 100%; font-size: 13px; border-collapse: collapse; }
.ecns-table thead th {
  text-align: left;
  font-weight: 500;
  font-size: 12px;
  color: var(--ecns-muted);
  background: #f8fafc;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ecns-border);
  white-space: nowrap;
}
.ecns-table tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  color: var(--ecns-text);
}
.ecns-table tbody tr:last-child td { border-bottom: 0; }
.ecns-table tbody tr:hover td { background: #f8fafc; }
.ecns-table .is-mono { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 12px; }
.ecns-table .is-actions { white-space: nowrap; }
.ecns-table .empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--ecns-muted);
  font-size: 13px;
}

/* ---------- Modal ---------- */
.ecns-modal-mask {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}
.ecns-modal {
  background: #fff;
  border-radius: var(--ecns-radius);
  box-shadow: var(--ecns-shadow-lg);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  animation: ecnsModalIn .18s ease-out;
}
@keyframes ecnsModalIn {
  from { transform: translateY(8px); opacity: 0; }
  to   { transform: translateY(0);   opacity: 1; }
}
.ecns-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--ecns-border);
}
.ecns-modal-title { font-size: 15px; font-weight: 600; color: var(--ecns-text); }
.ecns-modal-close {
  background: transparent; border: 0; font-size: 18px;
  color: var(--ecns-muted); cursor: pointer; line-height: 1;
}
.ecns-modal-close:hover { color: var(--ecns-text); }
.ecns-modal-body { padding: 18px 20px; }
.ecns-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--ecns-border);
  background: #f8fafc;
}

/* ---------- 统计卡片 ---------- */
.ecns-stat {
  background: var(--ecns-surface);
  border: 1px solid var(--ecns-border);
  border-radius: var(--ecns-radius);
  padding: 16px 18px;
  box-shadow: var(--ecns-shadow-sm);
  position: relative;
  overflow: hidden;
}
.ecns-stat::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--ecns-primary), var(--ecns-accent));
  opacity: .85;
}
.ecns-stat .label {
  font-size: 12px;
  color: var(--ecns-muted);
  letter-spacing: .2px;
}
.ecns-stat .value {
  margin-top: 6px;
  font-size: 26px;
  font-weight: 700;
  color: var(--ecns-text);
  letter-spacing: -.5px;
}
.ecns-stat .delta {
  margin-top: 4px;
  font-size: 11px;
  color: var(--ecns-muted);
}

/* ---------- 标签页 ---------- */
.ecns-tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--ecns-border);
  margin-bottom: 16px;
}
.ecns-tab {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 8px 2px;
  font-size: 13px;
  color: var(--ecns-muted);
  cursor: pointer;
  margin-bottom: -1px;
}
.ecns-tab:hover { color: var(--ecns-text); }
.ecns-tab.is-active {
  color: var(--ecns-primary);
  border-bottom-color: var(--ecns-primary);
  font-weight: 600;
}

/* ---------- 工具型 ---------- */
.ecns-divider { height: 1px; background: var(--ecns-border); margin: 16px 0; }
.ecns-empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--ecns-muted);
  font-size: 13px;
}

/* ---------- 兼容批量收敛产生的辅助类 ---------- */
.ecns-thead {
  background: #f8fafc;
  color: var(--ecns-muted);
  font-size: 12px;
  font-weight: 500;
}
.ecns-thead th {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ecns-border);
  white-space: nowrap;
}
.ecns-page-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--ecns-text);
  margin: 0 0 16px 0;
  letter-spacing: -.2px;
}
.ecns-page-title.no-margin { margin-bottom: 0; }