/**
 * OneCode Pro - Base Design System CSS
 * Compliant with Stitch DESIGN.md Specifications
 */

:root {
  /* Brand & Theme Colors (Stitch DESIGN.md 1:1 Specifications) */
  --oc-primary: #004ac6;
  --oc-primary-dark: #003ea8;
  --oc-secondary: #712ae2;
  --oc-accent: #005e6e;
  --oc-bg: #faf8ff;
  --oc-surface: #ffffff;
  --oc-surface-dim: #d2d9f4;
  --oc-surface-container: #eaedff;

  /* Neutral Slates */
  --oc-text: #131b2e;
  --oc-text-secondary: #434655;
  --oc-muted: #737686;
  --oc-border: #c3c6d7;
  --oc-border-subtle: #f2f3ff;

  /* Semantic State Colors */
  --oc-success: #16a34a;
  --oc-success-bg: #dcfce7;
  --oc-warning: #f59e0b;
  --oc-warning-bg: #fef3c7;
  --oc-danger: #ba1a1a;
  --oc-danger-bg: #ffdad6;

  /* Geometry & Radius (DESIGN.md triple-tier) */
  --oc-radius-button: 10px;
  --oc-radius-card: 20px;
  --oc-radius-container: 28px;

  /* Layout Baseline */
  --oc-container-width: 1440px;
  --oc-header-height: 72px;

  /* Typography Stacks (中国大陆高并发极速纯本地系统字体栈) */
  --oc-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "WenQuanYi Micro Hei", sans-serif;
  --oc-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, Monaco, "Liberation Mono", "JetBrains Mono", "Courier New", monospace;
}

/* ========================================================================= */
/* STITCH CORE BRAND & BLUE MARKER FALLBACK GUARANTEE                        */
/* ========================================================================= */
.text-primary {
  color: #004ac6 !important;
}
.bg-primary {
  background-color: #004ac6 !important;
  color: #ffffff !important;
}
.bg-primary:hover,
.hover\:bg-primary:hover,
.hover\:bg-primary\/90:hover {
  background-color: #003ea8 !important;
}
.bg-primary-container {
  background-color: #2563eb !important;
  color: #ffffff !important;
}
.bg-primary-container:hover,
.hover\:bg-primary-container:hover {
  background-color: #004ac6 !important;
}
.border-primary {
  border-color: #004ac6 !important;
}
.border-primary\/20 {
  border-color: rgba(0, 74, 198, 0.2) !important;
}
.border-primary\/30 {
  border-color: rgba(0, 74, 198, 0.3) !important;
}
.border-primary\/40 {
  border-color: rgba(0, 74, 198, 0.4) !important;
}
.border-primary\/50 {
  border-color: rgba(0, 74, 198, 0.5) !important;
}
.bg-primary\/5 {
  background-color: rgba(0, 74, 198, 0.05) !important;
}
.bg-primary\/10 {
  background-color: rgba(0, 74, 198, 0.1) !important;
}
.text-on-primary {
  color: #ffffff !important;
}
.text-on-surface {
  color: #131b2e !important;
}
.text-on-surface-variant {
  color: #434655 !important;
}
.bg-surface {
  background-color: #ffffff !important;
}
.bg-surface-container-lowest {
  background-color: #ffffff !important;
}
.bg-surface-container-low {
  background-color: #f2f3ff !important;
}
.bg-surface-container {
  background-color: #eaedff !important;
}
.text-outline {
  color: #737686 !important;
}
.border-outline {
  border-color: #737686 !important;
}
.border-outline-variant {
  border-color: #c3c6d7 !important;
}
.border-outline-variant\/30 {
  border-color: rgba(195, 198, 215, 0.3) !important;
}
.border-outline-variant\/40 {
  border-color: rgba(195, 198, 215, 0.4) !important;
}
.border-outline-variant\/50 {
  border-color: rgba(195, 198, 215, 0.5) !important;
}
.border-outline-variant\/60 {
  border-color: rgba(195, 198, 215, 0.6) !important;
}
.border-outline-variant\/80 {
  border-color: rgba(195, 198, 215, 0.8) !important;
}

/* Wavy underline and text highlights (Stitch Signature) */
.underline {
  text-decoration-line: underline !important;
}
.decoration-wavy {
  text-decoration-style: wavy !important;
}
.decoration-primary {
  text-decoration-color: #004ac6 !important;
}
.decoration-primary\/20 {
  text-decoration-color: rgba(0, 74, 198, 0.2) !important;
}
.decoration-primary\/30 {
  text-decoration-color: rgba(0, 74, 198, 0.3) !important;
}
.decoration-outline-variant {
  text-decoration-color: #c3c6d7 !important;
}
.underline-offset-8 {
  text-underline-offset: 8px !important;
}

/* Stitch Typography System Fallback */
.font-headline-xl {
  font-family: var(--oc-font-sans);
  font-weight: 700 !important;
  letter-spacing: -0.02em;
}
.text-headline-xl {
  font-size: 32px !important;
  line-height: 40px !important;
}
.text-headline-xl-mobile {
  font-size: 26px !important;
  line-height: 34px !important;
}
.font-headline-lg {
  font-family: var(--oc-font-sans);
  font-weight: 600 !important;
}
.text-headline-lg {
  font-size: 24px !important;
  line-height: 32px !important;
}
.font-headline-sm {
  font-family: var(--oc-font-sans);
  font-weight: 600 !important;
}
.text-headline-sm {
  font-size: 16px !important;
  line-height: 24px !important;
}
.font-label-sm {
  font-family: var(--oc-font-sans);
  font-weight: 600 !important;
  letter-spacing: 0.04em;
}
.text-label-sm {
  font-size: 11px !important;
  line-height: 14px !important;
}
.font-label-md {
  font-family: var(--oc-font-sans);
  font-weight: 500 !important;
}
.text-label-md {
  font-size: 12px !important;
  line-height: 16px !important;
}
.font-body-lg {
  font-family: var(--oc-font-sans);
  font-weight: 400 !important;
}
.text-body-lg {
  font-size: 15px !important;
  line-height: 24px !important;
}
.font-body-md {
  font-family: var(--oc-font-sans);
  font-weight: 400 !important;
}
.text-body-md {
  font-size: 14px !important;
  line-height: 22px !important;
}
.font-body-sm {
  font-family: var(--oc-font-sans);
  font-weight: 400 !important;
}
.text-body-sm {
  font-size: 13px !important;
  line-height: 18px !important;
}
.font-code-mono {
  font-family: var(--oc-font-mono) !important;
}

/* Background Grids & Patterns */
.grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(115, 118, 134, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(115, 118, 134, 0.08) 1px, transparent 1px);
}
.passport-border {
  background-image: repeating-linear-gradient(90deg, #CBD5E1 0, #CBD5E1 6px, transparent 6px, transparent 12px);
  background-size: 100% 1px;
  background-repeat: no-repeat;
}

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

html {
  font-family: var(--oc-font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--oc-text);
  background-color: var(--oc-bg);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: var(--oc-text);
  line-height: 1.25;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

a:hover {
  color: var(--oc-primary);
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: inherit;
  margin: 0;
}

/* Material Symbols Outlined Local Font & Rendering (本地自闭环高可用) */
@font-face {
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('../fonts/material-symbols-outlined.woff2') format('woff2');
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined' !important;
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  display: inline-block;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  vertical-align: middle;
  font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* Ensure hidden state is never overridden by material-symbols-outlined (C8) */
.material-symbols-outlined.hidden {
  display: none !important;
}

.hidden {
  display: none;
}

/* Header Navigation Responsive Display Resilience Guarantee */
.site-nav-container {
  display: none;
}
@media (min-width: 768px) {
  .site-header nav.md\:flex,
  .site-header nav[class*="md:flex"],
  .site-header .md\:flex,
  .site-header .site-nav-container,
  .site-nav-container,
  .site-primary-nav {
    display: flex !important;
  }
}
.site-nav-container .material-symbols-outlined {
  width: 18px;
  height: 18px;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
}

/* Micro-Animations from Stitch */
@keyframes scanRay {
  0% { top: 0%; opacity: 0.8; }
  50% { opacity: 1; }
  100% { top: 96%; opacity: 0.8; }
}

.animate-scan-ray {
  animation: scanRay 2.4s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

@keyframes pulseRing {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(37, 99, 235, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.pulse-ring-active {
  animation: pulseRing 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

.grid-lines-pattern {
  background-size: 32px 32px;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
}

/* ========================================================================= */
/* UNIVERSAL TEXT SELECTION - 彻底根除拖选复制时“白底白字”与遮挡问题            */
/* ========================================================================= */
::selection {
  background-color: #004ac6 !important; /* OneCode 品牌深蓝 (Stitch Primary) */
  color: #ffffff !important;            /* 纯白文字，与深蓝形成 8.3:1 极高对比度，字迹锐利可读 */
  text-shadow: none !important;
}

::-moz-selection {
  background-color: #004ac6 !important;
  color: #ffffff !important;
  text-shadow: none !important;
}

/* 针对暗色背景与雷达大屏，使用更鲜明清透的科技亮蓝高亮 */
.bg-slate-900 ::selection,
.bg-slate-900 *::selection,
.bg-slate-950 ::selection,
.bg-slate-950 *::selection,
#anti-diversion-radar-box ::selection,
#anti-diversion-radar-box *::selection {
  background-color: #2563eb !important; /* 科技高亮蓝 */
  color: #ffffff !important;
}

.bg-slate-900 ::-moz-selection,
.bg-slate-900 *::-moz-selection,
.bg-slate-950 ::-moz-selection,
.bg-slate-950 *::-moz-selection,
#anti-diversion-radar-box ::-moz-selection,
#anti-diversion-radar-box *::-moz-selection {
  background-color: #2563eb !important;
  color: #ffffff !important;
}