/**
 * 大秦 · 淡彩水墨主题（HTML/CSS）
 * 宣纸底 + 花青/赭石/青绿点缀（淡彩水墨，非纯黑白）
 */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@500;600;700&display=swap');

/* ========== 淡彩水墨 · 亮色（默认） ========== */
:root,
.n-layout--light {
  /* 纸与墨 */
  --n-body: #ebe4d8;
  --n-card: #faf7f1;
  --n-modal: #faf7f1;
  --n-sider: #e3dcd2;
  --n-divider: rgba(44, 42, 38, 0.08);
  --n-border: rgba(44, 42, 38, 0.14);
  --n-hover: rgba(61, 90, 108, 0.06);
  --n-pressed: rgba(44, 42, 38, 0.04);
  --n-input: rgba(255, 252, 246, 0.85);
  --n-scrollbar-thumb: rgba(44, 42, 38, 0.18);

  /* 花青主色（主按钮、选中） */
  --n-primary: #3d5a6c;
  --n-primary-hover: #2f4858;
  --n-primary-pressed: #243a48;
  --n-primary-suppl: rgba(61, 90, 108, 0.12);

  /* 淡彩语义 */
  --n-accent: #a65d45;
  --n-accent-bg: rgba(166, 93, 69, 0.12);
  --n-success: #4a7c59;
  --n-success-bg: rgba(74, 124, 89, 0.12);
  --n-warning: #9a7b4f;
  --n-warning-bg: rgba(154, 123, 79, 0.14);
  --n-error: #9e4a4a;
  --n-error-bg: rgba(158, 74, 74, 0.1);
  --n-info: #5b8a9a;
  --n-info-bg: rgba(91, 138, 154, 0.12);
  --n-info-border: rgba(91, 138, 154, 0.28);

  --n-text-1: #2c2a28;
  --n-text-2: #524f4a;
  --n-text-3: #7a756d;
  --n-text-disabled: #a39e96;
  --n-on-primary: #f8f5ef;

  --n-content-bg:
    radial-gradient(ellipse 100% 70% at 8% -5%, rgba(91, 138, 154, 0.18), transparent 55%),
    radial-gradient(ellipse 80% 50% at 92% 0%, rgba(166, 93, 69, 0.1), transparent 50%),
    linear-gradient(165deg, #f3ede4 0%, var(--n-body) 55%, #e0d8cb 100%);

  --n-radius: 6px;
  --n-radius-lg: 10px;
  --n-font: 'Noto Sans SC', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --n-font-display: 'Noto Serif SC', 'Noto Sans SC', serif;
  --n-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --n-font-size: 14px;
  --n-header-h: 56px;
  --n-sider-w: 220px;
  --n-ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --n-box-shadow: 0 2px 14px rgba(44, 42, 38, 0.06);
  --n-box-shadow-hover: 0 6px 22px rgba(44, 42, 38, 0.1);

  /* 淡彩点缀（侧栏/KPI/空状态，避免黑灰沉闷） */
  --n-sider-tint: linear-gradient(165deg, #f0ebe2 0%, #e8e2d6 45%, #e2ebe8 100%);
  --n-header-tint: linear-gradient(90deg, rgba(91, 138, 154, 0.06) 0%, transparent 40%, rgba(166, 93, 69, 0.05) 100%);
  --n-wash-primary: rgba(91, 138, 154, 0.1);
  --n-wash-accent: rgba(166, 93, 69, 0.1);
  --n-wash-success: rgba(74, 124, 89, 0.1);
  --n-wash-warning: rgba(154, 123, 79, 0.12);
  --n-wash-info: rgba(91, 138, 154, 0.12);

  /* 暖色点缀（按钮、主 CTA、小装饰，与花青并存） */
  --n-warm: #b0784a;
  --n-warm-hover: #9a6640;
  --n-warm-pressed: #856038;
  --n-warm-bg: rgba(176, 120, 74, 0.16);
  --n-warm-border: rgba(176, 120, 74, 0.35);
  --n-warm-glow: rgba(176, 120, 74, 0.28);
  --n-warm-light: #f5e6d4;

  --dq-lacquer: var(--n-body);
  --dq-ink: var(--n-card);
  --dq-text: var(--n-text-1);
  --dq-text-secondary: var(--n-text-2);
  --dq-text-muted: var(--n-text-3);
  --dq-text-dim: var(--n-text-disabled);
  --dq-cinnabar: var(--n-accent);
  --dq-cinnabar-soft: var(--n-accent-bg);
  --dq-cinnabar-glow: rgba(166, 93, 69, 0.2);
  --dq-scroll-border: var(--n-border);
  --dq-font-body: var(--n-font);
  --dq-font-mono: var(--n-mono);
  --dq-radius-sm: var(--n-radius);
  --dq-radius: var(--n-radius-lg);
  --bg-deep: var(--n-body);
  --bg-panel: var(--n-card);
  --text: var(--n-text-1);
  --text-muted: var(--n-text-3);
  --border: var(--n-border);
  --font: var(--n-font);
  --mono: var(--n-mono);
  --ease: var(--n-ease);
}

/* ========== 水墨夜景 · 暗色 ========== */
.n-layout--dark {
  --n-body: #1a2024;
  --n-card: #252c32;
  --n-modal: #2e363d;
  --n-sider: #243038;
  --n-sider-tint: linear-gradient(180deg, #2e3a42 0%, #1e282e 55%, #252f36 100%);
  --n-divider: rgba(230, 225, 215, 0.08);
  --n-border: rgba(230, 225, 215, 0.12);
  --n-hover: rgba(126, 184, 201, 0.08);
  --n-pressed: rgba(255, 255, 255, 0.04);
  --n-input: rgba(255, 255, 255, 0.06);
  --n-scrollbar-thumb: rgba(230, 225, 215, 0.2);

  --n-primary: #7eb8c9;
  --n-primary-hover: #9ccad8;
  --n-primary-pressed: #5f9aab;
  --n-primary-suppl: rgba(126, 184, 201, 0.15);

  --n-accent: #d4896f;
  --n-accent-bg: rgba(212, 137, 111, 0.15);
  --n-success: #7eb89a;
  --n-success-bg: rgba(126, 184, 154, 0.12);
  --n-warning: #c9b07a;
  --n-warning-bg: rgba(201, 176, 122, 0.12);
  --n-error: #d48484;
  --n-error-bg: rgba(212, 132, 132, 0.12);
  --n-info: #8eb4c4;
  --n-info-bg: rgba(142, 180, 196, 0.12);
  --n-info-border: rgba(142, 180, 196, 0.3);

  --n-text-1: rgba(245, 242, 235, 0.92);
  --n-text-2: rgba(230, 225, 215, 0.78);
  --n-text-3: rgba(200, 195, 185, 0.58);
  --n-text-disabled: rgba(200, 195, 185, 0.4);
  --n-on-primary: #1a2024;

  --n-content-bg:
    radial-gradient(ellipse 90% 55% at 50% 0%, rgba(126, 184, 201, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 20%, rgba(212, 137, 111, 0.06), transparent 50%),
    linear-gradient(180deg, #1e2529 0%, var(--n-body) 100%);

  --n-box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  --n-box-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);

  --dq-cinnabar-glow: rgba(212, 137, 111, 0.25);

  --n-warm: #d4a574;
  --n-warm-hover: #e0b88a;
  --n-warm-pressed: #b88858;
  --n-warm-bg: rgba(212, 165, 116, 0.18);
  --n-warm-border: rgba(212, 165, 116, 0.35);
  --n-warm-glow: rgba(212, 165, 116, 0.22);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
}

body.dq-body {
  margin: 0;
  font-family: var(--n-font);
  font-size: var(--n-font-size);
  line-height: 1.6;
  color: var(--n-text-1);
  background: var(--n-body);
}

html.n-layout--dark body.dq-body.cue-dash {
  background: var(--n-body);
  color: var(--n-text-1);
}

.mono {
  font-family: var(--n-mono);
  font-size: 12px;
  color: var(--n-text-3);
}

/* 印信：水墨框，非朱砂色块 */
.dq-seal-mark {
  font-family: var(--n-font-display);
  font-weight: 700;
  color: var(--n-primary);
  background: linear-gradient(145deg, #f8f4ec 0%, #e8e0d4 100%);
  border: 2px solid var(--n-primary);
  border-radius: 4px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.n-layout--dark .dq-seal-mark {
  background: linear-gradient(145deg, #2a3238 0%, #1e2529 100%);
  color: var(--n-primary);
  border-color: var(--n-primary);
}

.n-page-header__title,
.ops-panel__title,
.n-content-header h2,
.section-header h2 {
  font-family: var(--n-font-display);
  font-weight: 600;
}

.dq-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 16px;
  border: none;
  border-radius: var(--n-radius);
  font-family: var(--n-font);
  font-size: var(--n-font-size);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--n-ease), color var(--n-ease), box-shadow var(--n-ease), border-color var(--n-ease);
}

.dq-btn-primary,
.btn-primary {
  color: var(--n-on-primary);
  background: linear-gradient(180deg, var(--n-primary) 0%, var(--n-primary-pressed) 100%);
  box-shadow: 0 2px 8px rgba(61, 90, 108, 0.25);
}

.dq-btn-primary:hover,
.btn-primary:hover {
  background: linear-gradient(180deg, var(--n-primary-hover) 0%, var(--n-primary) 100%);
}

.dq-btn-ghost {
  color: var(--n-text-2);
  background: var(--n-card);
  border: 1px solid var(--n-border);
}

.dq-btn-ghost:hover {
  background: var(--n-hover);
  color: var(--n-text-1);
  border-color: var(--n-primary);
}

/* 暖色主按钮（运维 CTA：刷新、录入等） */
.dq-btn-warm,
.dq-ops .btn-primary,
.dq-ops .dq-btn-primary {
  color: #fffef9;
  background: linear-gradient(165deg, var(--n-warm-hover) 0%, var(--n-warm) 45%, var(--n-warm-pressed) 100%);
  box-shadow: 0 2px 10px var(--n-warm-glow);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.dq-btn-warm:hover,
.dq-ops .btn-primary:hover,
.dq-ops .dq-btn-primary:hover {
  background: linear-gradient(165deg, #c99262 0%, var(--n-warm-hover) 50%, var(--n-warm) 100%);
  box-shadow: 0 4px 14px var(--n-warm-glow);
}

.dq-btn-warm-outline {
  color: var(--n-warm-pressed);
  background: var(--n-warm-bg);
  border: 1px solid var(--n-warm-border);
}

.dq-btn-warm-outline:hover {
  background: var(--n-warm-light);
  border-color: var(--n-warm);
  color: var(--n-warm-pressed);
}

/* 纯装饰（不影响布局与 JS） */
.dq-decor-dots {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  vertical-align: middle;
}

.dq-decor-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--n-warm);
  opacity: 0.55;
}

.dq-decor-dots span:nth-child(2) {
  background: var(--n-info);
  opacity: 0.45;
}

.dq-decor-dots span:nth-child(3) {
  background: var(--n-success);
  opacity: 0.45;
}

.status-pill,
.dq-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 500;
  background: var(--n-success-bg);
  color: var(--n-success);
  border: 1px solid rgba(74, 124, 89, 0.25);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 48px 24px;
  text-align: center;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--n-info-bg);
  color: var(--n-info);
  border: 1px solid var(--n-info-border);
}

.empty-state-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--n-text-2);
}

.empty-state-desc {
  font-size: 13px;
  color: var(--n-text-3);
  max-width: 280px;
}

.chart-empty-state {
  padding: 40px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--n-text-3);
  border: 1px dashed var(--n-border);
  border-radius: var(--n-radius);
  background: var(--n-pressed);
}

.panel,
.dq-panel {
  background: var(--n-card);
  border: 1px solid var(--n-divider);
  border-radius: var(--n-radius-lg);
  box-shadow: var(--n-box-shadow);
}

.n-layout--dark .panel,
.n-layout--dark .dq-panel {
  box-shadow: var(--n-box-shadow);
}

.n-layout--light {
  color-scheme: light;
}

.n-layout--dark {
  color-scheme: dark;
}

/* ---------- 明暗主题切换按钮 ---------- */
.dq-theme-toggle {
  min-width: 92px;
  height: 36px;
  padding: 0 14px;
  gap: 8px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.dq-theme-toggle__glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 15px;
  line-height: 1;
  opacity: 0.9;
}

.dq-theme-toggle__label {
  font-size: 13px;
  font-weight: 600;
}

.dq-theme-toggle:focus-visible {
  outline: 2px solid var(--n-primary);
  outline-offset: 2px;
}

.n-layout--dark .dq-theme-toggle {
  border-color: var(--n-border);
  background: var(--n-input);
  color: var(--n-text-2);
}

.n-layout--dark .dq-theme-toggle:hover {
  border-color: var(--n-primary);
  color: var(--n-text-1);
  background: var(--n-hover);
}

@media (prefers-reduced-motion: reduce) {
  .dq-btn-primary:hover,
  .btn-primary:hover {
    transition: none;
  }
}