/* =========================================================
   Dunhill Global — shared site navigation + UI primitives
   Import this file on every page alongside style.css.
   Provides:
     - <header class="dg-nav"> brand bar with primary links
     - Mobile burger drawer
     - Toast system (.dg-toast / .dg-toast-wrap)
     - Skeleton placeholders (.dg-skel)
     - Empty-state blocks (.dg-empty)
     - Shared button/input polish to match across pages
   ========================================================= */

:root {
  /* Tokens. Pages may override --paper / --ink if they need to.
     Defaults match the home page's industrial palette. */
  --dg-paper:    var(--paper, #f4f3ee);
  --dg-ink:      var(--ink, #0c0d10);
  --dg-soft:     var(--ink-soft, #4b5560);
  --dg-mute:     var(--ink-mute, #8a9099);
  --dg-line:     var(--line, #d6d3c8);
  --dg-line-2:   var(--line-2, #c2bfb3);
  --dg-accent:   var(--accent, #b8422e);
  --dg-radius:   8px;
  --dg-shadow:   0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
  --dg-shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --dg-font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --dg-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* =========================================================
   TOP NAV (shared)
   ========================================================= */
.dg-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--dg-paper);
  border-bottom: 1px solid var(--dg-line);
  backdrop-filter: saturate(140%) blur(8px);
}
.dg-nav__inner {
  max-width: 84rem;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.dg-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--dg-ink);
  font-family: 'Space Grotesk', var(--dg-font-sans);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.16em;
}
.dg-nav__brand .brand__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border: 1px solid var(--dg-ink); color: var(--dg-ink);
}
.dg-nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--dg-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.dg-nav__links a {
  text-decoration: none;
  color: var(--dg-soft);
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, background 120ms ease, border-color 120ms ease;
  position: relative;
}
.dg-nav__links a:hover {
  color: var(--dg-ink);
  background: rgba(0,0,0,0.04);
}
.dg-nav__links a.is-active {
  color: var(--dg-ink);
  background: rgba(0,0,0,0.05);
  border-bottom-color: var(--dg-accent);
}
.dg-nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: -0.35rem;
  height: 2px;
  background: var(--dg-accent);
  border-radius: 2px;
}

/* ops badge for non-public pages */
.dg-nav__ops-tag {
  font-family: var(--dg-font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dg-mute);
  padding: 2px 8px;
  border: 1px dashed var(--dg-line-2);
  border-radius: 4px;
  margin-left: 0.5rem;
}

/* burger button */
.dg-nav__burger {
  display: none;
  background: transparent;
  border: 1px solid var(--dg-line-2);
  border-radius: 6px;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  color: var(--dg-ink);
  font-family: var(--dg-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.dg-nav__burger:hover { background: rgba(0,0,0,0.05); }
.dg-nav__burger .bar {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  margin: 4px auto;
  transition: transform 180ms ease, opacity 180ms ease;
}
.dg-nav__burger[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.dg-nav__burger[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.dg-nav__burger[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* drawer (mobile) */
.dg-nav__drawer {
  display: none;
  border-top: 1px solid var(--dg-line);
  background: var(--dg-paper);
  padding: 0.5rem 1.5rem 1rem;
}
.dg-nav__drawer.open { display: block; }
.dg-nav__drawer a {
  display: block;
  padding: 0.75rem 0.85rem;
  text-decoration: none;
  color: var(--dg-ink);
  font-family: var(--dg-font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 6px;
}
.dg-nav__drawer a:hover { background: rgba(0,0,0,0.05); }
.dg-nav__drawer a.is-active {
  background: rgba(184,66,46,0.08);
  color: var(--dg-accent);
  border-left: 3px solid var(--dg-accent);
  padding-left: calc(0.85rem - 3px);
}

@media (max-width: 820px) {
  .dg-nav__links { display: none; }
  .dg-nav__burger { display: inline-block; }
}

/* =========================================================
   SHARED FOOTER
   ========================================================= */
.dg-footer {
  border-top: 1px solid var(--dg-line);
  background: var(--dg-paper);
  color: var(--dg-soft);
  font-family: var(--dg-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.dg-footer__inner {
  max-width: 84rem;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.dg-footer__brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--dg-ink); font-weight: 700; font-family: 'Space Grotesk', var(--dg-font-sans);
}
.dg-footer__links a {
  color: var(--dg-soft);
  text-decoration: none;
  margin-left: 1rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.dg-footer__links a:hover { color: var(--dg-ink); border-bottom-color: var(--dg-ink); }

/* =========================================================
   TOASTS
   ========================================================= */
.dg-toast-wrap {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 200;
  pointer-events: none;
  max-width: 22rem;
}
.dg-toast {
  background: var(--dg-ink);
  color: #fff;
  padding: 0.85rem 1.1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--dg-font-sans);
  box-shadow: var(--dg-shadow-lg);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: auto;
  border-left: 4px solid var(--dg-ink);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.dg-toast.show { opacity: 1; transform: translateY(0); }
.dg-toast.ok    { border-left-color: #10b981; }
.dg-toast.err   { border-left-color: #ef4444; }
.dg-toast.warn  { border-left-color: #f59e0b; }
.dg-toast.info  { border-left-color: #3b82f6; }
.dg-toast .close {
  background: transparent; border: 0; color: rgba(255,255,255,0.7);
  font-size: 1.1rem; line-height: 1; cursor: pointer; padding: 0 0.25rem; margin-left: 0.4rem;
}
.dg-toast .close:hover { color: #fff; }

/* =========================================================
   SKELETON LOADERS
   ========================================================= */
@keyframes dg-shimmer { 0% { background-position: -400px 0; } 100% { background-position: 400px 0; } }
.dg-skel {
  display: inline-block;
  background: linear-gradient(90deg, rgba(0,0,0,0.06) 0%, rgba(0,0,0,0.12) 50%, rgba(0,0,0,0.06) 100%);
  background-size: 800px 100%;
  animation: dg-shimmer 1.4s linear infinite;
  border-radius: 4px;
  color: transparent;
  user-select: none;
}
.dg-skel--line   { height: 0.85rem; width: 100%; }
.dg-skel--line-sm { height: 0.7rem; width: 60%; }
.dg-skel--tile   { height: 4.5rem; width: 100%; border-radius: 8px; }
.dg-skel--avatar { width: 2rem; height: 2rem; border-radius: 50%; }
.dg-skel--btn    { height: 2.25rem; width: 6rem; border-radius: 6px; }

/* =========================================================
   EMPTY STATES
   ========================================================= */
.dg-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  background: #fafaf8;
  border: 1px dashed var(--dg-line-2);
  border-radius: 10px;
  color: var(--dg-soft);
}
.dg-empty__icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #f3f4f6;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--dg-mute);
  margin-bottom: 0.85rem;
  font-size: 1.4rem;
}
.dg-empty__title { font-weight: 600; color: var(--dg-ink); margin: 0 0 0.25rem; font-size: 1.05rem; }
.dg-empty__body  { margin: 0 0 1rem; font-size: 0.92rem; max-width: 28rem; }
.dg-empty__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }

/* =========================================================
   SHARED BUTTON (override for pages that opt in via .dg-btn)
   ========================================================= */
.dg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.4rem;
  padding: 0 0.95rem;
  font-family: var(--dg-font-sans);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--dg-ink);
  color: #fff;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease, transform 60ms ease;
  text-decoration: none;
  white-space: nowrap;
}
.dg-btn:hover    { opacity: 0.92; }
.dg-btn:active   { transform: translateY(1px); }
.dg-btn:focus-visible { outline: 3px solid rgba(184,66,46,0.35); outline-offset: 1px; }
.dg-btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.dg-btn--secondary { background: #fff; color: var(--dg-ink); border-color: var(--dg-line-2); }
.dg-btn--secondary:hover { border-color: var(--dg-ink); opacity: 1; }
.dg-btn--ghost     { background: transparent; color: var(--dg-ink); border-color: transparent; }
.dg-btn--ghost:hover { background: rgba(0,0,0,0.05); opacity: 1; }
.dg-btn--danger    { background: #dc2626; color: #fff; }
.dg-btn--accent    { background: var(--dg-accent); color: #fff; }
.dg-btn--lg        { min-height: 2.85rem; padding: 0 1.25rem; font-size: 1rem; }
.dg-btn--sm        { min-height: 1.85rem; padding: 0 0.7rem; font-size: 0.85rem; }
.dg-btn--block     { width: 100%; }

/* =========================================================
   SHARED INPUT (opt-in via .dg-input)
   ========================================================= */
.dg-input, .dg-select, .dg-textarea {
  font-family: var(--dg-font-sans);
  font-size: 0.95rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--dg-line-2);
  background: #fff;
  color: var(--dg-ink);
  border-radius: 6px;
  transition: border-color 120ms ease, box-shadow 120ms ease;
  outline: none;
}
.dg-input:focus, .dg-select:focus, .dg-textarea:focus {
  border-color: var(--dg-accent);
  box-shadow: 0 0 0 3px rgba(184,66,46,0.12);
}
.dg-textarea { min-height: 5rem; resize: vertical; }