/* ══════════════════════════════════════════════════════════
   SHARED.CSS — You Are Me — Common structural styles
   ══════════════════════════════════════════════════════════ */

/* ── CSS VARIABLES ── */
:root {
  --accent: #00c9a7;
  --accent-border: rgba(0,201,167,0.5);
  --accent-bg: rgba(0,201,167,0.08);
  --bg: #0a0a0a;
  --white: #f0f0f0;
  --dim: rgba(255,255,255,0.55);
  --dimmer: rgba(255,255,255,0.2);
}

/* ── RESET & BODY BASE ── */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  background: #0a0a0a;
}

body {
  opacity: 0;
  transition: opacity 0.6s ease;
}
body.loaded { opacity: 1; }

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--white);
  background: var(--bg);
  min-height: 100vh;
}

/* ── BACKGROUND OVERLAY ── */
.bg-fixed {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.95), rgba(0,0,0,0.95)),
    url('ground_background.webp');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

/* ── SIDE MENU ── */
.side-menu {
  position: fixed;
  bottom: 40vh;
  left: 28px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  transition: opacity 0.3s ease;
}
.side-menu a {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--white);
  text-decoration: none;
  transition: color 0.2s;
}
.side-menu a > span:not(.hex-wrap) { text-decoration: underline; text-decoration-thickness: 0.5px; text-underline-offset: 4px; }
.side-menu a.active { color: var(--accent); }
.side-menu a.active > span:not(.hex-wrap) { text-decoration: underline; text-decoration-thickness: 0.5px; text-underline-offset: 4px; }
.side-menu a:hover { color: var(--accent); }

.hex-wrap { position: relative; display: inline-block; width: 1em; }
.hex-wrap .hex-outline { color: var(--white) !important; }
.hex-wrap .hex-fill { position: absolute; left: 0; color: var(--accent); opacity: 0; transition: opacity 0.2s; }
.side-menu a.active .hex-fill, .side-menu a:hover .hex-fill { opacity: 1; }
.hex-wrap, .hex-wrap * { text-decoration: none !important; }

.menu-child {
  position: relative;
  margin-top: -4px;
}

.menu-child::before {
  content: '';
  position: absolute;
  left: 8px;
  top: -4px;
  bottom: 50%;
  width: 1px;
  background: var(--dimmer);
}

.menu-child::after {
  content: '';
  position: absolute;
  left: 8px;
  top: 50%;
  width: 6px;
  height: 1px;
  background: var(--dimmer);
}

/* ── MOBILE MENU ── */
.hamburger, .mobile-menu, .mobile-overlay { display: none; }
.hamburger-inline { display: none; }

/* ── TREE PAGE LAYOUT ── */
.tree-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.tree-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background-size: cover;
  background-position: center center;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 20%, black 80%, transparent 100%);
  z-index: 0;
}

.tree-wrap {
  max-width: 640px;
  margin-left: 40%;
  padding: 10vh 40px 10vh 24px;
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

/* ── TREE ITEMS ── */
.tree-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 4px;
  text-decoration: none;
  transition: all 0.2s;
  margin-bottom: 4px;
  cursor: pointer;
  overflow: hidden;
}

.tree-item-bg {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  opacity: 0.2;
  transition: width 0.6s ease;
}

.tree-item:hover { padding-left: 8px; }
.tree-item:hover .tree-item-name { color: var(--white); }
.tree-item:hover .tree-item-status { color: var(--accent); }

.tree-item-score {
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.tree-item-emoji {
  font-size: 20px;
  min-width: 28px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.tree-item-name {
  font-size: 14px;
  font-weight: 300;
  color: var(--white);
  flex: 1;
  transition: color 0.2s;
}

.tree-item-sub {
  font-size: 12px;
  font-weight: 300;
  color: var(--dim);
  margin-top: 2px;
}

.tree-item-info { flex: 1; position: relative; z-index: 1; }

.tree-item-status {
  font-size: 12px;
  font-weight: 300;
  color: var(--accent);
  transition: color 0.2s;
  position: relative;
  z-index: 1;
}

.tree-item.todo .tree-item-score { color: var(--dimmer); font-weight: 300; font-size: 14px; }
.tree-item.todo .tree-item-emoji { opacity: 0.65; }
.tree-item.todo .tree-item-name { color: var(--white); opacity: 0.85; }
.tree-item.todo:hover .tree-item-emoji { opacity: 1; }
.tree-item.todo:hover .tree-item-name { color: var(--white); }
.tree-item:hover .tree-item-sub { color: var(--white); opacity: 0.85; }

.tree-item.done .tree-item-status { color: var(--white); }

/* ── TREE SECTION ── */
.tree-section {
  margin-bottom: 28px;
}

.tree-section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 300;
  color: var(--dim);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--dimmer);
}

/* ── TREE HEADER ── */
.tree-header {
  margin-bottom: 36px;
}

.tree-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 8px;
}

.tree-header p {
  font-size: 14px;
  font-weight: 300;
  color: var(--dim);
  line-height: 1.6;
}

/* ── TREE BACK ARROW ── */
.tree-back {
  display: inline-block;
  font-size: 32px;
  color: var(--dim);
  text-decoration: none;
  margin-bottom: 16px;
  transition: color 0.2s;
}

.tree-back:hover { color: var(--white); }

/* ── TREE FILTERS ── */
.tree-filter {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid var(--dimmer);
  background: none;
  color: var(--dim);
  cursor: pointer;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.tree-filter.active {
  border-color: var(--accent);
  color: var(--accent);
}

.tree-filter:hover { border-color: var(--accent); color: var(--accent); }

/* ── MOBILE RESPONSIVE ── */
@media (max-width: 768px) {
  .side-menu { display: none; }

  .hamburger { display: none !important; }
  .hamburger-inline { display: none !important; }
  .hamburger-inline {
    display: inline-block;
    font-size: 24px;
    color: var(--white);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin-right: 12px;
    vertical-align: middle;
  }

  .mobile-menu {
    position: fixed;
    bottom: 56px;
    left: 0;
    width: auto;
    max-width: 80vw;
    height: auto;
    z-index: 190;
    background: rgba(10,10,10,0.95);
    flex-direction: column-reverse;
    align-items: flex-start;
    padding: 20px 28px 20px 20px;
    gap: 8px;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: flex;
    border-radius: 0 12px 0 0;
  }
  .mobile-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .mobile-menu a {
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--white);
    text-decoration: underline;
    text-decoration-thickness: 0.5px;
    text-underline-offset: 4px;
    padding: 4px 0;
  }
  .mobile-menu a.mob-active { color: var(--accent); }
  .mobile-menu .mob-child { padding-left: 16px; font-size: 14px; position: relative; }
  .mobile-menu .mob-child-deep { padding-left: 28px; font-size: 13px; position: relative; }
  .mobile-menu .mob-child-deepest { padding-left: 40px; font-size: 13px; position: relative; }

  .mobile-menu .mob-child::before,
  .mobile-menu .mob-child-deep::before,
  .mobile-menu .mob-child-deepest::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    bottom: -4px;
    width: 1px;
    background: rgba(255,255,255,0.1);
  }

  .mobile-menu .mob-child::after,
  .mobile-menu .mob-child-deep::after,
  .mobile-menu .mob-child-deepest::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    width: 6px;
    height: 1px;
    background: rgba(255,255,255,0.1);
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 180;
    background: transparent;
  }
  .mobile-overlay.open { display: block; }

  .tree-wrap { padding: 40px 20px 60px; margin-left: 0; min-height: auto; }
  .tree-image {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.08;
    -webkit-mask-image: radial-gradient(circle, black 30%, transparent 70%);
    mask-image: radial-gradient(circle, black 30%, transparent 70%);
  }
  .tree-item-sub { display: none; }
}

/* ── LIGHT THEME OVERRIDES ── */
[data-theme="light"] {
  color: var(--white);
}

[data-theme="light"] .collab-text p,
[data-theme="light"] .prose,
[data-theme="light"] .page-content p,
[data-theme="light"] .dash-bar-text,
[data-theme="light"] .dash-dim-reflection,
[data-theme="light"] .dash-reflection,
[data-theme="light"] .intro p,
[data-theme="light"] .statement {
  color: var(--dim) !important;
}

[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] .hero-statement,
[data-theme="light"] .page-title,
[data-theme="light"] .collab-title,
[data-theme="light"] .tree-header h1,
[data-theme="light"] .tree-section-title,
[data-theme="light"] .tree-item-name,
[data-theme="light"] .dash-title,
[data-theme="light"] .intro h1 {
  color: var(--white) !important;
}

[data-theme="light"] .side-menu a,
[data-theme="light"] .mobile-menu a {
  color: var(--white);
}

[data-theme="light"] .tree-image,
[data-theme="light"] .dash-image,
[data-theme="light"] .collab-image,
[data-theme="light"] .router-card img,
[data-theme="light"] .page-image {
  opacity: 0.35 !important;
  -webkit-mask-image: radial-gradient(ellipse at center, black 60%, transparent 85%) !important;
  mask-image: radial-gradient(ellipse at center, black 60%, transparent 85%) !important;
}