/**
 * MySchool.hk - K-12 全學段主頁全局視覺與五站主題色系統 (Master Portal Stylesheet)
 * File: /assets/css/portal-master.css
 * 嚴格對齊五大模組真實色票：
 *   1. 幼稚園 (Kindergarten) : #167D73 (松綠) / #FFFCF6 (繪本暖底) / 粉蠟筆色系
 *   2. 小學 (Primary)        : #4F46E5 (皇室靛藍) / #2563EB (寶藍) / #059669 (翡翠綠)
 *   3. 中學 (Secondary)      : #1E1638 (深紫黑) / #E11D48 (緋紅) / #FCD34D (榮譽金)
 *   4. 實用工具 (Tools)      : #B35C2E (赤陶棕紅) / #2C1E18 (濃縮咖啡) / #E4AD80 (香檳暖金)
 *   5. 升學文章 (Article)    : #2C4668 (牛津深海藍) / #E8F1FA (霧霾藍) / #E9C86A (書卷麥金)
 */

:root {
  /* 全局中性畫布 (Neutral Canvas) */
  --ms-bg: #F8FAFC;
  --ms-surface: #FFFFFF;
  --ms-ink: #0F172A;
  --ms-body: #475569;
  --ms-muted: #64748B;
  --ms-line: #E2E8F0;

  /* 1. 幼稚園 (kindergarten.myschool.hk) */
  --kg-primary: #167D73;
  --kg-dark: #12483F;
  --kg-bg: #FFFCF6;
  --kg-mint: #E3F3E9;
  --kg-mint-border: #B9DDCD;
  --kg-sky: #E7F3FD;
  --kg-peach: #FFEDE3;
  --kg-lav: #F0E9FA;
  --kg-yellow: #FFF3D0;

  /* 2. 小學 (primary.myschool.hk) */
  --pri-primary: #4F46E5;
  --pri-blue: #2563EB;
  --pri-soft: #EEF2FF;
  --pri-border: #C7D2FE;
  --pri-emerald: #059669;
  --pri-emerald-soft: #ECFDF5;
  --pri-amber: #D97706;
  --pri-amber-soft: #FFFBEB;

  /* 3. 中學 (secondary.myschool.hk) */
  --sec-dark: #1E1638;
  --sec-indigo: #4F46E5;
  --sec-indigo-soft: #EEF2FF;
  --sec-crimson: #E11D48;
  --sec-crimson-soft: #FFF1F2;
  --sec-crimson-border: #FECDD3;
  --sec-gold: #FCD34D;
  --sec-pearl: #F9F8FC;

  /* 4. 實用工具 (www.myschool.hk/tools.php) */
  --tl-terracotta: #B35C2E;
  --tl-terracotta-dark: #8E441E;
  --tl-espresso: #2C1E18;
  --tl-gold: #F5EAD8;
  --tl-gold-accent: #E4AD80;
  --tl-sky: #F8EFE7;
  --tl-bg: #FAF7F2;
  --tl-line: #E6DBD0;
  --tl-line-strong: #D5C3B3;

  /* 5. 升學與親子文章 (article.myschool.hk) */
  --ar-navy: #2C4668;
  --ar-blue: #E8F1FA;
  --ar-gold: #E9C86A;
  --ar-gold-dark: #9B7B2B;
  --ar-paper: #FCFAF4;
  --ar-season-bg: #F8EFD4;
  --ar-season-border: #E6DCBA;

  /* 搜尋框動態主題色 (預設為全站靛藍) */
  --omni-accent: #4F46E5;
  --omni-accent-soft: #EEF2FF;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", sans-serif;
}

body {
  background-color: var(--ms-bg);
  color: var(--ms-ink);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}
@media (min-width: 640px) {
  .wrap { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .wrap { padding-left: 2rem; padding-right: 2rem; }
}

/* 隱藏滾動條但保留橫向捲動 */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* ===== Bento Card 標準結構 ===== */
.bento-card {
  background: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 1.25rem;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.bento-card:hover {
  box-shadow: 0 14px 32px -4px rgba(15, 23, 42, 0.09);
  transform: translateY(-2px);
}

/* ===== 頂部導航各頻道專屬 Hover 色票 ===== */
.nav-link-kg:hover, .nav-link-kg:focus-visible {
  background-color: var(--kg-mint);
  color: var(--kg-primary);
}
.nav-link-pri:hover, .nav-link-pri:focus-visible {
  background-color: var(--pri-soft);
  color: var(--pri-primary);
}
.nav-link-sec:hover, .nav-link-sec:focus-visible {
  background-color: var(--sec-crimson-soft);
  color: var(--sec-crimson);
}
.nav-link-tools {
  background-color: var(--tl-sky);
  color: var(--tl-terracotta);
  border: 1px solid rgba(179, 92, 46, 0.24);
}
.nav-link-tools:hover, .nav-link-tools:focus-visible {
  background-color: var(--tl-terracotta);
  color: #FFFFFF;
}
.nav-link-art:hover, .nav-link-art:focus-visible {
  background-color: var(--ar-blue);
  color: var(--ar-navy);
}

/* ===== Omni-Search 動態主題色綁定 ===== */
.omni-search-shell {
  border: 2px solid var(--omni-accent);
  box-shadow: 0 8px 26px -6px rgba(15, 23, 42, 0.08);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.omni-search-shell:focus-within {
  box-shadow: 0 0 0 4px var(--omni-accent-soft);
}
.omni-submit-btn {
  background-color: var(--omni-accent);
  transition: background-color 0.25s ease, transform 0.15s ease;
}
.omni-submit-btn:hover {
  filter: brightness(1.08);
}

/* ===== 三大升學階段旗艦卡片專屬主題樣式 ===== */
/* 1. 幼稚園卡片 (Warm Storybook & Pastel) */
.pillar-kg {
  background: linear-gradient(165deg, #FFFCF6 0%, #FFFFFF 55%, #F1F8F2 100%);
  border-top: 5px solid var(--kg-primary);
  border-color: #E1E8DF;
  border-top-color: var(--kg-primary);
}
.pillar-kg:hover {
  border-color: var(--kg-mint-border);
  border-top-color: var(--kg-primary);
}
.kg-squircle-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--kg-mint);
  border: 1px solid var(--kg-mint-border);
  display: inline-grid;
  place-items: center;
  font-size: 30px;
}

/* 2. 小學卡片 (Royal Indigo & Emerald) */
.pillar-pri {
  background: linear-gradient(165deg, #FFFFFF 0%, #FFFFFF 55%, #EEF2FF 100%);
  border-top: 5px solid var(--pri-primary);
}
.pillar-pri:hover {
  border-color: var(--pri-border);
  border-top-color: var(--pri-primary);
}
.pri-squircle-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--pri-primary), var(--pri-blue));
  color: #FFFFFF;
  display: inline-grid;
  place-items: center;
  font-size: 24px;
}

/* 3. 中學卡片 (Deep SecDark & Crimson) */
.pillar-sec {
  background: linear-gradient(165deg, #FFFFFF 0%, #F9F8FC 55%, #FFF1F2 100%);
  border-top: 5px solid var(--sec-crimson);
}
.pillar-sec:hover {
  border-color: var(--sec-crimson-border);
  border-top-color: var(--sec-crimson);
}
.sec-squircle-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--sec-dark);
  color: var(--sec-gold);
  display: inline-grid;
  place-items: center;
  font-size: 24px;
}

/* ===== 區塊 4：實用工具箱專區 (100% 延用 tools.php Luxury Terracotta & Espresso 主題) ===== */
.tools-hub-showcase {
  background-color: var(--tl-bg);
  background-image:
    radial-gradient(at 10% 0%, rgba(228, 173, 128, 0.16) 0px, transparent 45%),
    radial-gradient(at 90% 85%, rgba(179, 92, 46, 0.09) 0px, transparent 50%);
  border: 1px solid var(--tl-line-strong);
  border-radius: 1.75rem;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(51, 37, 31, 0.07);
}
.tools-hub-banner {
  position: relative;
  background:
    radial-gradient(circle at 85% 18%, rgba(228, 173, 128, 0.32), transparent 34%),
    radial-gradient(circle at 12% 88%, rgba(179, 92, 46, 0.28), transparent 38%),
    linear-gradient(135deg, #231712 0%, #4e2b1d 52%, #8c4f2b 100%);
  color: #FFFFFF;
}
.tools-hub-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.tools-serif-title {
  font-family: Georgia, "Noto Serif TC", "Songti TC", serif;
}
.tools-serif-title::after {
  content: " ✦";
  color: var(--tl-gold-accent);
  font-size: 0.7em;
}
.tl-card {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--tl-line);
  border-radius: 1.25rem;
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(51, 37, 31, 0.05);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}
.tl-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--tl-terracotta), var(--tl-gold-accent));
  opacity: 0.8;
  transition: opacity 0.25s ease;
}
.tl-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(51, 37, 31, 0.12);
  border-color: #CFA98B;
  background: #FFFFFF;
}
.tl-card:hover::before { opacity: 1; }
.tl-step-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  color: var(--tl-espresso);
  background: var(--tl-gold);
  border: 1px solid rgba(179, 92, 46, 0.22);
  padding: 3px 10px;
  border-radius: 99px;
}
.tl-step-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tl-terracotta);
}
.tl-timing-strip {
  font-size: 11.5px;
  font-weight: 600;
  color: #6B5344;
  background: #F9F5F0;
  border: 1px solid #EDE3D8;
  border-radius: 8px;
  padding: 5px 10px;
}
.tl-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--tl-sky), #F2E2D2);
  border: 1px solid rgba(179, 92, 46, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.tl-cta-btn {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--tl-espresso);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 11px;
  transition: background-color 0.2s ease;
}
.tl-card:hover .tl-cta-btn {
  background: var(--tl-terracotta);
}

/* ===== 區塊 5：升學與親子文章專區 (100% 延用 articles.css 牛津深海藍與羊皮紙主題) ===== */
.ar-showcase-shell {
  background-color: var(--ar-paper);
  border: 1px solid #E0E7EE;
  border-top: 5px solid var(--ar-navy);
  border-radius: 1.5rem;
  box-shadow: 0 8px 28px rgba(44, 70, 104, 0.06);
}
.ar-season-banner {
  background-color: var(--ar-season-bg);
  border: 1px solid var(--ar-season-border);
  border-radius: 0.85rem;
  overflow: hidden;
}
.ar-season-head {
  background-color: var(--ar-navy);
  color: #FFFFFF;
}
.ar-article-card {
  background-color: #FFFEFA;
  border: 1px solid #E3E7EA;
  border-radius: 0.75rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.22s ease;
}
.ar-article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(44, 70, 104, 0.1);
  border-color: #BFD0E0;
}
.ar-photo-box {
  height: 185px;
  background: var(--ar-blue);
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.ar-reason-bar {
  border-left: 3px solid var(--ar-gold);
  padding-left: 8px;
  font-size: 11.5px;
  font-weight: 700;
  color: #5C4B1B;
}
.ar-tag-blue {
  background-color: var(--ar-blue);
  color: var(--ar-navy);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}
.ar-tag-grade {
  background-color: #F3ECD6;
  color: #6B5620;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
}

/* 列印優化 */
@media print {
  header, footer, .no-print { display: none !important; }
  body { background: #FFFFFF !important; }
}