/* ============================================================
   ICONIC Human Design — Desktop Navigation CSS (Phase 1 Overhaul)
   Sticky header with dropdowns, auth-aware CTA strip.
   Visible >= 769px. Mobile handled by mobile-nav.css.
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
.ico-desktop-header {
  --ico-dn-bg:        rgba(10, 10, 15, 0.96);
  --ico-dn-border:    rgba(99, 58, 133, 0.25);
  --ico-dn-text:      #e8e0f0;
  --ico-dn-muted:     #a09ab8;
  --ico-dn-hover:     #ffffff;
  --ico-dn-active:    #34d2e2;
  --ico-dn-purple:    #633a85;
  --ico-dn-teal:      #34d2e2;
  --ico-dn-drop-bg:   rgba(14, 11, 22, 0.98);
  --ico-dn-drop-br:   rgba(99, 58, 133, 0.3);
  --ico-dn-height:    58px;
  --ico-dn-radius:    12px;
  --ico-dn-font:      'Barlow', 'Inter', system-ui, sans-serif;
  --ico-dn-font-head: 'Rubik', 'Inter', system-ui, sans-serif;
}

[data-theme="light"] .ico-desktop-header {
  --ico-dn-bg:        rgba(255, 255, 255, 0.97);
  --ico-dn-border:    rgba(0, 0, 0, 0.08);
  --ico-dn-text:      #555;
  --ico-dn-muted:     #777;
  --ico-dn-hover:     #1a1a1a;
  --ico-dn-active:    #5938C8;
  --ico-dn-purple:    #5938C8;
  --ico-dn-teal:      #0d8f80;
  --ico-dn-drop-bg:   rgba(255, 255, 255, 0.99);
  --ico-dn-drop-br:   rgba(0, 0, 0, 0.08);
}

/* ── Base header ───────────────────────────────────────────── */
.ico-desktop-header {
  display: none; /* JS adds .is-active to show */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--ico-dn-height);
  background: var(--ico-dn-bg);
  border-bottom: 1px solid var(--ico-dn-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9000;
  font-family: var(--ico-dn-font);
}
.ico-desktop-header.is-active {
  display: flex;
  align-items: center;
}

/* ── Inner layout ──────────────────────────────────────────── */
.ico-dn-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
  height: var(--ico-dn-height);
}

/* ── Logo ──────────────────────────────────────────────────── */
.ico-dn-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: -0.01em;
  line-height: 1;
}
.ico-dn-logo-brand {
  font-family: var(--ico-dn-font-head);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #a569d0 0%, #34d2e2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ico-dn-logo-tagline {
  font-family: var(--ico-dn-font);
  font-size: 13px;
  font-weight: 500;
  color: var(--ico-dn-muted);
  letter-spacing: 0.02em;
}
.ico-dn-logo:hover .ico-dn-logo-tagline {
  color: var(--ico-dn-hover);
}

/* ── Nav container ─────────────────────────────────────────── */
.ico-dn-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

/* ── Nav items ─────────────────────────────────────────────── */
.ico-dn-item {
  position: relative;
  display: flex;
  align-items: center;
}

.ico-dn-link,
.ico-dn-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--ico-dn-font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ico-dn-text);
  text-decoration: none;
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}
.ico-dn-link:hover,
.ico-dn-trigger:hover,
.ico-dn-item.is-open > .ico-dn-link,
.ico-dn-item.is-open > .ico-dn-trigger {
  color: var(--ico-dn-hover);
  background: rgba(99, 58, 133, 0.12);
}

/* Accent trigger (My ICONIC) */
.ico-dn-trigger--accent {
  color: var(--ico-dn-teal) !important;
}
.ico-dn-trigger--accent:hover {
  background: rgba(52, 210, 226, 0.1) !important;
}

/* ── Chevron ───────────────────────────────────────────────── */
.ico-dn-chevron {
  flex-shrink: 0;
  transition: transform 0.2s ease;
  opacity: 0.6;
}
.ico-dn-item.is-open .ico-dn-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* ── Dropdown panel ────────────────────────────────────────── */
.ico-dn-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 210px;
  background: var(--ico-dn-drop-bg);
  border: 1px solid var(--ico-dn-drop-br);
  border-radius: var(--ico-dn-radius);
  padding: 8px;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(99,58,133,0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 1000;
}
.ico-dn-item.is-open .ico-dn-dropdown {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Right-aligned dropdowns (avoid viewport clip) */
.ico-dn-align-right .ico-dn-dropdown {
  left: auto;
  right: 0;
}

/* ── Dropdown links ────────────────────────────────────────── */
.ico-dn-sub-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13.5px;
  font-weight: 450;
  color: var(--ico-dn-text);
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}
.ico-dn-sub-link:hover {
  background: rgba(99, 58, 133, 0.15);
  color: var(--ico-dn-hover);
}
/* External link indicator */
.ico-dn-sub-link[target="_blank"]::after {
  content: '\2197';
  font-size: 10px;
  opacity: 0.5;
  margin-left: auto;
  align-self: flex-start;
}

/* Stagger fade-in for dropdown items */
.ico-dn-item.is-open .ico-dn-sub-link {
  animation: ico-dn-fade-in 0.15s ease both;
}
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(1)  { animation-delay: 0ms; }
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(2)  { animation-delay: 25ms; }
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(3)  { animation-delay: 50ms; }
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(4)  { animation-delay: 75ms; }
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(5)  { animation-delay: 100ms; }
.ico-dn-item.is-open .ico-dn-sub-link:nth-child(6)  { animation-delay: 125ms; }
@keyframes ico-dn-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Sub-divider ───────────────────────────────────────────── */
.ico-dn-sub-divider {
  height: 1px;
  background: var(--ico-dn-border);
  margin: 6px 8px;
}

/* ── Logout link ───────────────────────────────────────────── */
.ico-dn-logout-link {
  color: #e57373 !important;
}
.ico-dn-logout-link:hover {
  background: rgba(229, 115, 115, 0.1) !important;
  color: #ff6b6b !important;
}

/* ── Right-side actions ────────────────────────────────────── */
.ico-dn-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ── CTA buttons ───────────────────────────────────────────── */
.ico-dn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  font-family: var(--ico-dn-font);
  font-size: 13px;
  font-weight: 600;
  border-radius: 20px;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s, box-shadow 0.15s, transform 0.1s;
  cursor: pointer;
  border: none;
  line-height: 1;
}
.ico-dn-cta:active { transform: scale(0.97); }

/* Primary — gradient pill */
.ico-dn-cta--primary,
.ico-dn-cta:not(.ico-dn-cta--ghost):not(.ico-dn-cta--secondary) {
  background: linear-gradient(135deg, #633a85 0%, #34d2e2 100%);
  color: #ffffff;
  box-shadow: 0 2px 12px rgba(99, 58, 133, 0.4);
}
.ico-dn-cta--primary:hover,
.ico-dn-cta:not(.ico-dn-cta--ghost):not(.ico-dn-cta--secondary):hover {
  opacity: 0.9;
  box-shadow: 0 4px 20px rgba(99, 58, 133, 0.6);
}

/* Secondary — outline */
.ico-dn-cta--secondary {
  background: transparent;
  color: var(--ico-dn-teal);
  border: 1px solid rgba(52, 210, 226, 0.5);
}
.ico-dn-cta--secondary:hover {
  background: rgba(52, 210, 226, 0.08);
  border-color: var(--ico-dn-teal);
}

/* Ghost — text only */
.ico-dn-cta--ghost {
  background: transparent;
  color: var(--ico-dn-muted);
  border: 1px solid transparent;
}
.ico-dn-cta--ghost:hover {
  color: var(--ico-dn-hover);
  background: rgba(255,255,255,0.05);
}

/* ── User avatar button ────────────────────────────────────── */
.ico-dn-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #633a85 0%, #34d2e2 100%);
  color: #ffffff;
  font-family: var(--ico-dn-font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(99, 58, 133, 0.4);
  flex-shrink: 0;
}
.ico-dn-avatar:hover {
  opacity: 0.85;
  box-shadow: 0 4px 16px rgba(99, 58, 133, 0.6);
}
.ico-dn-user-dropdown {
  min-width: 220px;
}

/* ── Focus visible ─────────────────────────────────────────── */
.ico-dn-link:focus-visible,
.ico-dn-trigger:focus-visible,
.ico-dn-sub-link:focus-visible,
.ico-dn-avatar:focus-visible,
.ico-dn-cta:focus-visible {
  outline: 2px solid var(--ico-dn-teal);
  outline-offset: 2px;
}

/* ── Body padding compensation ─────────────────────────────── */
body.has-desktop-nav {
  padding-top: 58px !important;
}

/* ── Suppress pre-existing inline navs ─────────────────────── */
body.has-desktop-nav > nav:not(.ico-dn-nav),
body.has-desktop-nav > header:not(.ico-desktop-header):not(.mobile-header),
body.has-desktop-nav .nav-wrapper:not(.ico-dn-nav-wrapper),
body.has-desktop-nav #site-header:not(.ico-desktop-header),
body.has-desktop-nav .site-header:not(.ico-desktop-header),
body.has-desktop-nav #main-nav {
  display: none !important;
}
/* Carve-outs — never hide these */
body.has-desktop-nav .blog-nav,
body.has-desktop-nav .bottom-nav,
body.has-desktop-nav .center-pills-nav,
body.has-desktop-nav .mobile-nav-drawer {
  display: revert !important;
}

/* ── Mobile: hide desktop header entirely ──────────────────── */
@media (max-width: 768px) {
  .ico-desktop-header {
    display: none !important;
  }
  body.has-desktop-nav > nav:not(.ico-dn-nav),
  body.has-desktop-nav > header:not(.ico-desktop-header):not(.mobile-header) {
    display: revert !important;
  }
}

/* ---- Light mode overrides --------------------------------- */
[data-theme="light"] .ico-desktop-header {
  --dn-bg:         rgba(255, 255, 255, 0.97);
  --dn-border:     rgba(0, 0, 0, 0.08);
  --dn-text:       #555;
  --dn-text-hover: #1a1a1a;
  --dn-dd-bg:      rgba(255, 255, 255, 0.99);
  --dn-dd-border:  rgba(0, 0, 0, 0.08);
  --dn-active:     #5938C8;
  background: var(--dn-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .ico-dn-dropdown {
  box-shadow: 0 8px 30px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
}
[data-theme="light"] .ico-dn-link:hover,
[data-theme="light"] .ico-dn-trigger:hover,
[data-theme="light"] .ico-dn-item.is-open > .ico-dn-link,
[data-theme="light"] .ico-dn-item.is-open > .ico-dn-trigger {
  background: rgba(89, 56, 200, 0.06);
}
[data-theme="light"] .ico-dn-sub-link:hover {
  background: rgba(89, 56, 200, 0.06);
}
[data-theme="light"] .ico-dn-cta--ghost:hover {
  background: rgba(0,0,0,0.03);
}