/**
 * ZCX-001｜ZDOS Corporate Experience Foundation
 * ZCX-002｜Home Corporate Experience — Bottom Nav / Home Hero surface tokens
 * Official brand experience primitives — Background / Header / Hero / Card / Brand / Nav.
 * Visual-only. No business logic / registry / engine / permission.
 *
 * Consumers map local tokens → --zcx-* (Academy, Mobile Home).
 */

:root {
  /* —— Brand Color（RC-002B Premium · Azure 企業科技藍） —— */
  --zcx-brand-primary: #0b4f8c;
  --zcx-brand-secondary: #1567b3;
  --zcx-brand-primary-strong: #093f70;
  --zcx-brand-primary-soft: rgba(11, 79, 140, 0.1);
  --zcx-brand-sky: #1567b3;
  --zcx-brand-sky-soft: rgba(21, 103, 179, 0.14);

  /* —— Page / Section / Card 三層 —— */
  --zcx-bg: #eaf1f8;
  --zcx-bg-glow: #eef5fc;
  --zcx-bg-end: #f4f8fc;
  --zcx-section: #f4f8fc;
  --zcx-page-bg:
    radial-gradient(110% 70% at 50% -8%, rgba(21, 103, 179, 0.08) 0%, transparent 58%),
    linear-gradient(180deg, var(--zcx-bg-glow) 0%, var(--zcx-bg) 42%, var(--zcx-bg-end) 100%);

  /* —— Surface —— */
  --zcx-surface: #ffffff;
  --zcx-surface-muted: #f4f8fc;
  --zcx-surface-focus: #e8f0f8;
  --zcx-border: #d4e2f1;
  --zcx-border-soft: #d4e2f1;

  /* —— Text —— */
  --zcx-text-primary: #0b1f33;
  --zcx-text-secondary: #6a7788;
  --zcx-text-muted: #6a7788;
  --zcx-text-on-brand: #ffffff;

  /* —— Status —— */
  --zcx-ok: var(--zds-ok, #147a45);
  --zcx-ok-bg: var(--zds-ok-bg, rgba(20, 122, 69, 0.1));
  --zcx-warn: var(--zds-warn, #a67c00);
  --zcx-warn-bg: var(--zds-warn-bg, rgba(166, 124, 0, 0.12));
  --zcx-alert: var(--zds-alert, #c62828);
  --zcx-alert-bg: var(--zds-alert-bg, rgba(198, 40, 40, 0.1));

  /* —— Typography —— */
  --zcx-font: "SF Pro Text", "PingFang TC", "Noto Sans TC", "Segoe UI", sans-serif;
  --zcx-font-display: "SF Pro Display", "PingFang TC", "Noto Sans TC", "Segoe UI", sans-serif;
  --zcx-fs-caption: 0.6875rem;   /* 11 */
  --zcx-fs-footnote: 0.75rem;    /* 12 */
  --zcx-fs-body: 0.875rem;       /* 14 */
  --zcx-fs-callout: 0.9375rem;   /* 15 */
  --zcx-fs-title: 1.0625rem;     /* 17 */
  --zcx-fs-hero: 1.25rem;        /* 20 */
  --zcx-fw-regular: 400;
  --zcx-fw-medium: 500;
  --zcx-fw-semibold: 600;
  --zcx-fw-bold: 700;
  --zcx-fw-heavy: 800;
  --zcx-lh-tight: 1.2;
  --zcx-lh-normal: 1.45;
  --zcx-tracking-brand: 0.06em;
  --zcx-tracking-label: 0.08em;

  /* —— Spacing（4px base） —— */
  --zcx-space-1: 0.25rem;
  --zcx-space-2: 0.5rem;
  --zcx-space-3: 0.75rem;
  --zcx-space-4: 1rem;
  --zcx-space-5: 1.25rem;
  --zcx-space-6: 1.5rem;
  --zcx-space-8: 2rem;
  --zcx-gap: 0.85rem;

  /* —— Radius —— */
  --zcx-radius-sm: 8px;
  --zcx-radius-md: 12px;
  --zcx-radius-lg: 16px;
  --zcx-radius-xl: 20px;
  --zcx-radius-full: 9999px;

  /* —— Elevation（RC-002B Premium Depth · 無霓虹） —— */
  --zcx-shadow-card: 0 10px 28px rgba(30, 55, 90, 0.06);
  --zcx-shadow-header: 0 8px 24px rgba(20, 40, 80, 0.08);
  --zcx-shadow-hero: 0 18px 50px rgba(15, 50, 90, 0.12);
  --zcx-shadow-kpi: 0 12px 30px rgba(25, 45, 90, 0.08);
  --zcx-shadow-launcher: 0 8px 22px rgba(30, 55, 90, 0.08);

  /* —— Layout / iPhone —— */
  --zcx-header-h: 52px;
  --zcx-bottom-h: 56px;
  --zcx-touch-min: 44px;
  --zcx-content-max: 430px;
  --zcx-safe-top: env(safe-area-inset-top, 0px);
  --zcx-safe-right: env(safe-area-inset-right, 0px);
  --zcx-safe-bottom: env(safe-area-inset-bottom, 0px);
  --zcx-safe-left: env(safe-area-inset-left, 0px);

  /* —— Home Hero（RC-002B：科技藍白漸層 · 有重量） —— */
  --zcx-hero-home-bg: linear-gradient(145deg, #f8fbff 0%, #eef5fc 48%, #ddeaf7 100%);
  --zcx-hero-home-border: #d2e2f2;
  --zcx-hero-home-ink: #0b1f33;
  --zcx-hero-home-muted: #6a7788;
  --zcx-hero-home-sky: #0b4f8c;

  /* —— Motion —— */
  --zcx-motion: 200ms var(--zdl-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1));
  --zcx-motion-fast: 180ms var(--zdl-ease-standard, cubic-bezier(0.25, 0.1, 0.25, 1));
}

/* ============================================================
 * 1. Unified Page Background
 * ============================================================ */
.zcx-page {
  box-sizing: border-box;
  min-height: 100dvh;
  width: 100%;
  max-width: 100vw;
  margin: 0;
  padding:
    calc(var(--zcx-safe-top) + var(--zcx-space-3))
    max(var(--zcx-space-4), var(--zcx-safe-right))
    calc(var(--zcx-safe-bottom) + var(--zcx-space-6))
    max(var(--zcx-space-4), var(--zcx-safe-left));
  background: var(--zcx-page-bg);
  color: var(--zcx-text-primary);
  font-family: var(--zcx-font);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

.zcx-page__inner {
  width: 100%;
  max-width: var(--zcx-content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--zcx-gap);
  min-width: 0;
}

/* ============================================================
 * 2. Official Header
 * ============================================================ */
.zcx-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--zcx-space-2);
  min-height: var(--zcx-header-h);
  margin: calc(-1 * var(--zcx-space-3)) calc(-1 * var(--zcx-space-4)) var(--zcx-space-1);
  padding:
    calc(var(--zcx-safe-top) + var(--zcx-space-2))
    max(var(--zcx-space-4), var(--zcx-safe-right))
    var(--zcx-space-2)
    max(var(--zcx-space-4), var(--zcx-safe-left));
  background: #ffffff;
  backdrop-filter: blur(12px) saturate(1.05);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
  border-bottom: 1px solid var(--zcx-border);
  box-shadow: var(--zcx-shadow-header);
  border-radius: 0;
}

.zcx-header__back {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  min-width: 2.75rem;
  padding: 0.375rem 0.65rem;
  border-radius: var(--zcx-radius-sm);
  border: 1px solid var(--zcx-border);
  background: var(--zcx-surface);
  color: var(--zcx-brand-primary);
  font-size: var(--zcx-fs-caption);
  font-weight: var(--zcx-fw-bold);
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--zcx-shadow-card);
}

.zcx-header__back:active {
  background: var(--zcx-brand-primary-soft);
}

.zcx-header__block {
  min-width: 0;
  text-align: center;
}

.zcx-header__brandline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 0;
  max-width: 100%;
}

.zcx-header__mark {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--zcx-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--zcx-brand-primary);
  background: var(--zcx-brand-primary-soft);
  border: 1px solid rgba(11, 79, 140, 0.18);
}

.zcx-header__mark svg {
  width: 0.9rem;
  height: 0.9rem;
  display: block;
}

.zcx-header__title {
  margin: 0;
  font-family: var(--zcx-font-display);
  font-size: var(--zcx-fs-title);
  font-weight: var(--zcx-fw-heavy);
  letter-spacing: var(--zcx-tracking-brand);
  line-height: var(--zcx-lh-tight);
  color: var(--zcx-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zcx-header__subtitle {
  margin: 0.15rem 0 0;
  font-size: 0.5625rem;
  font-weight: var(--zcx-fw-regular);
  letter-spacing: var(--zcx-tracking-label);
  color: var(--zcx-text-muted);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: none;
}

.zcx-header__chip {
  flex: 0 0 auto;
  font-size: var(--zcx-fs-caption);
  font-weight: var(--zcx-fw-bold);
  color: var(--zcx-brand-primary);
  border: 1px solid rgba(11, 79, 140, 0.2);
  background: var(--zcx-brand-primary-soft);
  border-radius: var(--zcx-radius-full);
  padding: 0.28rem 0.6rem;
  white-space: nowrap;
}

.zcx-header__spacer {
  flex: 0 0 auto;
  width: 2.75rem;
  min-height: 1px;
  visibility: hidden;
  pointer-events: none;
}

/* ============================================================
 * 3. Official Hero
 * ============================================================ */
.zcx-hero {
  position: relative;
  isolation: isolate;
  border-radius: var(--zcx-radius-lg);
  border: 1px solid rgba(176, 196, 216, 0.65);
  background: linear-gradient(145deg, #e8f0f7 0%, #f4f8fb 52%, #eaf1f7 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.65) inset,
    var(--zcx-shadow-hero);
  padding: var(--zcx-space-4);
  overflow: hidden;
  min-width: 0;
}

.zcx-hero__eyebrow {
  margin: 0;
  font-size: var(--zcx-fs-caption);
  font-weight: var(--zcx-fw-semibold);
  letter-spacing: var(--zcx-tracking-label);
  color: var(--zcx-text-secondary);
}

.zcx-hero__title {
  margin: 0.25rem 0 0;
  font-family: var(--zcx-font-display);
  font-size: var(--zcx-fs-hero);
  font-weight: var(--zcx-fw-heavy);
  line-height: var(--zcx-lh-tight);
  color: var(--zcx-text-primary);
  letter-spacing: -0.01em;
}

.zcx-hero__desc {
  margin: 0.35rem 0 0;
  font-size: var(--zcx-fs-footnote);
  line-height: var(--zcx-lh-normal);
  color: var(--zcx-text-secondary);
}

.zcx-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--zcx-space-2);
  margin-top: var(--zcx-space-3);
}

.zcx-hero__stat {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.zcx-hero__stat-label {
  font-size: 0.625rem;
  font-weight: var(--zcx-fw-semibold);
  letter-spacing: 0.04em;
  color: var(--zcx-text-muted);
}

.zcx-hero__stat-value {
  font-size: var(--zcx-fs-callout);
  font-weight: var(--zcx-fw-heavy);
  color: var(--zcx-text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zcx-hero__progress {
  margin-top: var(--zcx-space-3);
  height: 6px;
  border-radius: var(--zcx-radius-full);
  background: rgba(11, 79, 140, 0.08);
  border: 1px solid rgba(11, 79, 140, 0.1);
  overflow: hidden;
}

.zcx-hero__progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--zcx-brand-primary) 0%, #1567b3 100%);
  min-width: 0;
}

/* ============================================================
 * 4. Official Card
 * ============================================================ */
.zcx-card {
  min-width: 0;
  border-radius: var(--zcx-radius-lg);
  border: 1px solid var(--zcx-border);
  background: var(--zcx-surface);
  box-shadow: var(--zcx-shadow-card);
  padding: var(--zcx-space-4);
  color: var(--zcx-text-primary);
}

.zcx-card--interactive {
  cursor: pointer;
  text-align: left;
  width: 100%;
  color: inherit;
  transition: border-color var(--zcx-motion), background var(--zcx-motion), transform 120ms ease;
}

.zcx-card--interactive:active {
  transform: scale(0.995);
  background: var(--zcx-surface-focus);
  border-color: rgba(11, 79, 140, 0.22);
}

.zcx-card__title {
  margin: 0;
  font-size: var(--zcx-fs-body);
  font-weight: var(--zcx-fw-heavy);
  color: var(--zcx-text-primary);
  line-height: var(--zcx-lh-tight);
}

.zcx-card__meta {
  margin: 0.25rem 0 0;
  font-size: var(--zcx-fs-footnote);
  color: var(--zcx-text-secondary);
  line-height: var(--zcx-lh-normal);
}

/* ============================================================
 * 5. Shared CTA / Badge（企業，非 Demo pill 霓虹）
 * ============================================================ */
.zcx-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--zcx-fs-footnote);
  font-weight: var(--zcx-fw-bold);
  color: var(--zcx-text-on-brand);
  background: linear-gradient(180deg, #1567b3 0%, var(--zcx-brand-primary) 100%);
  border-radius: var(--zcx-radius-md);
  padding: 0.5rem 0.9rem;
  border: none;
}

.zcx-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.625rem;
  font-weight: var(--zcx-fw-bold);
  letter-spacing: 0.03em;
  border-radius: var(--zcx-radius-full);
  padding: 0.22rem 0.55rem;
  white-space: nowrap;
}

.zcx-badge--ok {
  color: var(--zcx-ok);
  background: var(--zcx-ok-bg);
  border: 1px solid rgba(20, 122, 69, 0.22);
}

.zcx-badge--warn {
  color: var(--zcx-warn);
  background: var(--zcx-warn-bg);
  border: 1px solid rgba(166, 124, 0, 0.25);
}

.zcx-badge--alert {
  color: var(--zcx-alert);
  background: var(--zcx-alert-bg);
  border: 1px solid rgba(198, 40, 40, 0.22);
}

.zcx-badge--brand {
  color: var(--zcx-brand-primary);
  background: var(--zcx-brand-primary-soft);
  border: 1px solid rgba(11, 79, 140, 0.18);
}

/* ============================================================
 * 6. Official Bottom Navigation
 * ============================================================ */
.zcx-bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  height: calc(var(--zcx-bottom-h) + var(--zcx-safe-bottom));
  padding-bottom: var(--zcx-safe-bottom);
  background: rgba(255, 255, 255, 0.94);
  border-top: 1px solid var(--zcx-border-soft);
  backdrop-filter: blur(14px) saturate(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(1.04);
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.8) inset;
}

.zcx-bottom-nav__item {
  border: none;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: var(--zcx-touch-min);
  min-width: 0;
  color: var(--zcx-text-muted);
  font-size: 0.625rem;
  font-weight: var(--zcx-fw-semibold);
  cursor: pointer;
  padding: 0;
}

.zcx-bottom-nav__item svg {
  width: 20px;
  height: 20px;
}

.zcx-bottom-nav__item.is-active,
.zcx-bottom-nav__item[aria-current="page"] {
  color: var(--zcx-brand-primary);
  background: var(--zcx-brand-primary-soft);
  border-radius: var(--zcx-radius-md);
  margin: 4px 6px;
}

@media (min-width: 768px) {
  :root {
    --zcx-content-max: 680px;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --zcx-motion: 0ms;
  }
}