/**
 * ZDL-001｜ZDOS Design Language — Primitive Components
 *
 * Opt-in classes only (.zdl-*). Does not rewrite center markup.
 * Covers: Header · Hero · Card · Button · Progress · Badge · Bottom Nav · Animation
 */

/* ============================================================
 * 6. Header
 * ============================================================ */
.zdl-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--zdl-space-2);
  min-height: var(--zdl-header-height);
  padding: var(--zdl-space-2) var(--zdl-space-4);
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fc 55%, #eef3f8 100%);
  border-bottom: 1px solid var(--zdl-color-border-soft);
  box-shadow: var(--zdl-elevation-header);
  font-family: var(--zdl-font-sans);
}

.zdl-header--workspace {
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
  padding-left: 0;
  padding-right: 0;
}

.zdl-header__back,
.zdl-header__action {
  appearance: none;
  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(--zdl-radius-sm);
  border: 1px solid var(--zdl-color-border);
  background: var(--zdl-color-surface);
  color: var(--zdl-color-brand-primary);
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-bold);
  cursor: pointer;
  box-shadow: var(--zdl-elevation-1);
  transition: background var(--zdl-motion), transform var(--zdl-motion);
}

.zdl-header__back:active,
.zdl-header__action:active {
  background: var(--zdl-color-brand-primary-soft);
  transform: scale(0.98);
}

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

.zdl-header__brandline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--zdl-space-2);
  max-width: 100%;
}

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

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

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

.zdl-header--workspace .zdl-header__title {
  color: var(--zdl-color-ws-title);
}

.zdl-header__subtitle {
  margin: 0.15rem 0 0;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-bold);
  letter-spacing: var(--zdl-tracking-label);
  text-transform: uppercase;
  color: var(--zdl-color-brand-sky);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zdl-header__chip {
  flex: 0 0 auto;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-heavy);
  color: var(--zdl-color-brand-sky);
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: rgba(14, 165, 233, 0.12);
  border-radius: var(--zdl-radius-full);
  padding: 0.28rem 0.55rem;
  white-space: nowrap;
}

/* ============================================================
 * 7. Hero
 * ============================================================ */
.zdl-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--zdl-radius-2xl);
  min-height: 176px;
  display: flex;
  background: var(--zdl-color-brand-gradient);
  border: 1px solid rgba(56, 189, 248, 0.2);
  box-shadow: var(--zdl-elevation-2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  color: var(--zdl-color-text-on-brand);
}

.zdl-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  gap: var(--zdl-space-2);
  width: 100%;
  padding: var(--zdl-space-4) var(--zdl-space-4) 0;
}

.zdl-hero__brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--zdl-space-2);
}

.zdl-hero__eyebrow {
  margin: 0;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-heavy);
  letter-spacing: var(--zdl-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--zdl-color-brand-sky-soft);
}

.zdl-hero__title {
  margin: 0;
  font-family: var(--zdl-font-display);
  font-size: var(--zdl-fs-title-lg);
  font-weight: var(--zdl-fw-heavy);
  line-height: var(--zdl-lh-tight);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.zdl-hero__body {
  margin: var(--zdl-space-1) 0 0;
  font-size: var(--zdl-fs-footnote);
  line-height: var(--zdl-lh-normal);
  color: rgba(207, 224, 245, 0.92);
}

.zdl-hero__compact {
  min-height: 0;
  border-radius: var(--zdl-radius-lg);
  background: linear-gradient(
    135deg,
    rgba(14, 165, 233, 0.12) 0%,
    rgba(15, 23, 42, 0.55) 70%
  );
  border: 1px solid rgba(56, 189, 248, 0.2);
  box-shadow: var(--zdl-elevation-3);
  padding: var(--zdl-space-4);
  color: var(--zdl-color-ws-text);
}

.zdl-hero__compact .zdl-hero__title {
  font-size: var(--zdl-fs-title);
  text-shadow: none;
  color: var(--zdl-color-ws-title);
}

/* ============================================================
 * 8. Card
 * ============================================================ */
.zdl-card {
  min-width: 0;
  border-radius: var(--zdl-radius-lg);
  border: 1px solid var(--zdl-color-border-soft);
  background: var(--zdl-color-surface);
  box-shadow: var(--zdl-elevation-1);
  padding: var(--zdl-space-4);
  color: var(--zdl-color-text-primary);
  font-family: var(--zdl-font-sans);
}

.zdl-card--workspace {
  border-color: var(--zdl-color-ws-border);
  background: var(--zdl-color-ws-card-bg);
  box-shadow: var(--zdl-elevation-ws);
  color: var(--zdl-color-ws-text);
}

.zdl-card--interactive {
  cursor: pointer;
  transition: border-color var(--zdl-motion), transform var(--zdl-motion),
    box-shadow var(--zdl-motion);
}

.zdl-card--interactive:active {
  transform: scale(0.99);
}

.zdl-card__eyebrow {
  margin: 0;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-bold);
  letter-spacing: var(--zdl-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--zdl-color-text-muted);
}

.zdl-card--workspace .zdl-card__eyebrow {
  color: rgb(100, 116, 139);
}

.zdl-card__title {
  margin: 0.3rem 0 0;
  font-size: var(--zdl-fs-body);
  font-weight: var(--zdl-fw-heavy);
  line-height: var(--zdl-lh-snug);
  color: var(--zdl-color-text-primary);
}

.zdl-card--workspace .zdl-card__title {
  color: var(--zdl-color-ws-title);
}

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

.zdl-card--workspace .zdl-card__desc {
  color: var(--zdl-color-ws-muted);
}

.zdl-card__row {
  display: flex;
  align-items: center;
  gap: var(--zdl-space-3);
  min-width: 0;
}

/* ============================================================
 * 9. Button
 * ============================================================ */
.zdl-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--zdl-space-2);
  min-height: 2.25rem;
  padding: 0.55rem 1rem;
  border-radius: var(--zdl-btn-radius);
  border: 1px solid transparent;
  font-family: var(--zdl-font-sans);
  font-size: var(--zdl-fs-footnote);
  font-weight: var(--zdl-fw-heavy);
  line-height: 1;
  cursor: pointer;
  transition: transform var(--zdl-motion), opacity var(--zdl-motion),
    filter var(--zdl-motion);
}

.zdl-btn:active {
  transform: scale(0.98);
}

.zdl-btn:disabled,
.zdl-btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.zdl-btn--primary {
  background: var(--zdl-btn-primary-bg);
  color: var(--zdl-btn-primary-text);
  border-color: rgba(11, 79, 140, 0.35);
  box-shadow: var(--zdl-elevation-1);
}

.zdl-btn--accent {
  background: var(--zdl-btn-accent-bg);
  color: var(--zdl-btn-accent-text);
  border: 0;
  border-radius: var(--zdl-radius-full);
  box-shadow: 0 6px 16px rgba(56, 189, 248, 0.32);
}

.zdl-btn--secondary {
  background: var(--zdl-color-surface);
  color: var(--zdl-color-brand-primary);
  border-color: var(--zdl-color-border);
  box-shadow: var(--zdl-elevation-1);
}

.zdl-btn--ghost {
  background: transparent;
  color: var(--zdl-color-ws-accent);
  border-color: rgba(56, 189, 248, 0.28);
}

.zdl-btn--sm {
  min-height: 1.85rem;
  padding: 0.4rem 0.75rem;
  font-size: var(--zdl-fs-caption);
}

.zdl-btn--block {
  width: 100%;
}

/* ============================================================
 * 10. Progress
 * ============================================================ */
.zdl-progress {
  width: 100%;
  height: var(--zdl-progress-height);
  border-radius: var(--zdl-radius-full);
  background: var(--zdl-progress-track);
  border: 1px solid rgba(11, 79, 140, 0.08);
  overflow: hidden;
}

.zdl-progress--workspace {
  background: rgba(15, 23, 42, 0.55);
  border-color: rgba(125, 211, 252, 0.12);
}

.zdl-progress__bar {
  height: 100%;
  border-radius: inherit;
  background: var(--zdl-progress-fill);
  min-width: 0;
  transition: width var(--zdl-motion-slow) var(--zdl-ease-standard);
}

.zdl-progress--workspace .zdl-progress__bar {
  background: var(--zdl-progress-fill-ws);
}

.zdl-progress-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--zdl-space-2);
}

.zdl-progress-stat__label {
  display: block;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-bold);
  letter-spacing: 0.06em;
  color: var(--zdl-color-text-muted);
}

.zdl-progress-stat__value {
  display: block;
  margin-top: 0.12rem;
  font-size: 0.9rem;
  font-weight: var(--zdl-fw-heavy);
  color: var(--zdl-color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zdl-theme-workspace .zdl-progress-stat__value,
.zdl-card--workspace .zdl-progress-stat__value {
  color: var(--zdl-color-ws-title);
}

/* ============================================================
 * 11. Badge
 * ============================================================ */
.zdl-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-heavy);
  letter-spacing: 0.04em;
  border-radius: var(--zdl-badge-radius);
  padding: 0.25rem 0.55rem;
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1.2;
}

.zdl-badge--ok {
  color: var(--zdl-color-ok);
  background: var(--zdl-color-ok-bg);
  border-color: rgba(20, 122, 69, 0.28);
}

.zdl-badge--warn {
  color: var(--zdl-color-warn);
  background: var(--zdl-color-warn-bg);
  border-color: rgba(166, 124, 0, 0.3);
}

.zdl-badge--alert {
  color: var(--zdl-color-alert);
  background: var(--zdl-color-alert-bg);
  border-color: rgba(198, 40, 40, 0.28);
}

.zdl-badge--info {
  color: var(--zdl-color-info);
  background: var(--zdl-color-info-bg);
  border-color: rgba(3, 105, 161, 0.28);
}

.zdl-badge--sky {
  color: var(--zdl-color-brand-sky);
  background: rgba(14, 165, 233, 0.12);
  border-color: rgba(56, 189, 248, 0.28);
}

.zdl-badge--ws-ok {
  color: var(--zdl-color-ws-ok);
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(110, 231, 183, 0.28);
}

.zdl-badge--ws-warn {
  color: var(--zdl-color-ws-warn);
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(251, 191, 36, 0.3);
}

/* ============================================================
 * 12. Bottom Navigation
 * ============================================================ */
.zdl-bottom-nav {
  position: sticky;
  bottom: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--zdl-space-1);
  min-height: calc(var(--zdl-bottom-nav-height) + var(--zdl-safe-bottom));
  padding: var(--zdl-space-2) var(--zdl-space-2) calc(var(--zdl-space-2) + var(--zdl-safe-bottom));
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px) saturate(1.05);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
  border-top: 1px solid var(--zdl-color-border-soft);
  box-shadow: 0 -2px 12px rgba(11, 31, 51, 0.04);
}

.zdl-bottom-nav__item {
  appearance: none;
  border: 0;
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-height: 2.75rem;
  padding: 0.25rem;
  border-radius: var(--zdl-radius-md);
  color: var(--zdl-color-text-muted);
  font-size: var(--zdl-fs-caption);
  font-weight: var(--zdl-fw-semibold);
  cursor: pointer;
  transition: color var(--zdl-motion), background var(--zdl-motion);
}

.zdl-bottom-nav__item svg {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.zdl-bottom-nav__item.is-active,
.zdl-bottom-nav__item[aria-current="page"] {
  color: var(--zdl-color-brand-primary);
  background: var(--zdl-color-brand-primary-soft);
  font-weight: var(--zdl-fw-bold);
}

.zdl-bottom-nav__item:active {
  background: var(--zdl-color-surface-focus);
}

/* ============================================================
 * 13. Animation utilities
 * ============================================================ */
.zdl-anim-fade-in {
  animation: zdl-fade-in var(--zdl-motion-slow) var(--zdl-ease-standard) both;
}

.zdl-anim-rise {
  animation: zdl-rise var(--zdl-motion-slow) var(--zdl-ease-emphasized) both;
}

.zdl-anim-press:active {
  transform: scale(0.98);
}

@keyframes zdl-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes zdl-rise {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .zdl-anim-fade-in,
  .zdl-anim-rise {
    animation: none;
  }

  .zdl-btn:active,
  .zdl-card--interactive:active,
  .zdl-header__back:active,
  .zdl-anim-press:active {
    transform: none;
  }
}

/* Icon size helper for SVG in marks / nav */
.zdl-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.zdl-icon svg {
  width: 1rem;
  height: 1rem;
  display: block;
}