/* Advanced animated dual-theme CSS for AtlasPulse */
/* Baseline and variables */
:root {
  --bg: #f8fafc;
  --bg-elev: #ffffff;
  --text: #0b1220;
  --text-muted: #475569;
  --border: rgba(15, 23, 42, 0.12);
  --brand: #2563eb;
  --brand-2: #10b981;
  --accent: #7c3aed;
  --card-bg: rgba(255, 255, 255, 0.8);
  --glass-blur: 16px;
  --shadow-soft: 0 10px 30px -12px rgba(2,6,23,0.25);
}
.dark {
  --bg: #0b1220;
  --bg-elev: #0f172a;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --border: rgba(148, 163, 184, 0.16);
  --brand: #60a5fa;
  --brand-2: #34d399;
  --accent: #a78bfa;
  --card-bg: rgba(15, 23, 42, 0.8);
  --shadow-soft: 0 10px 30px -14px rgba(0,0,0,0.6);
}

/* Stories page intent palettes (applied on <html>) */
html.stories-stories {
  --brand: #06b6d4;   /* cyan */
  --brand-2: #f59e0b; /* amber */
  --accent: #ef4444;  /* red */
}
html.stories-edu {
  --brand: #2563eb;   /* blue */
  --brand-2: #10b981; /* green */
  --accent: #22c55e;  /* emerald accent */
}
html.stories-research {
  --brand: #7c3aed;   /* purple */
  --brand-2: #06b6d4; /* cyan */
  --accent: #a78bfa;  /* lavender accent */
}
html.dark.stories-research {
  --brand: #a78bfa;
  --brand-2: #22d3ee;
  --accent: #c4b5fd;
}
html.dark.stories-stories {
  --brand: #22d3ee;   /* brighter cyan */
  --brand-2: #fbbf24; /* bright amber */
  --accent: #f87171;  /* soft red */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { color-scheme: light dark; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}
/* Global form controls */
input, textarea, select {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
}
input::placeholder, textarea::placeholder { color: color-mix(in oklab, var(--text-muted) 80%, transparent); }

/* Animated atmospheric background (global) */
body::before, body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}
body::before {
  background:
    radial-gradient(1200px 600px at 10% 10%, color-mix(in oklab, var(--brand) 22%, transparent), transparent 60%),
    radial-gradient(1000px 500px at 85% 25%, color-mix(in oklab, var(--brand-2) 18%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-elev));
  animation: bgPan 22s linear infinite;
}
body::after {
  z-index: -1;
  background: conic-gradient(from 180deg at 50% 50%, color-mix(in oklab, var(--brand) 8%, transparent), color-mix(in oklab, var(--brand-2) 6%, transparent), color-mix(in oklab, var(--accent) 6%, transparent));
  filter: blur(48px) saturate(120%);
  opacity: 0.35;
  transform: translate3d(0,0,0);
  animation: aurora 28s ease-in-out infinite alternate;
}
@keyframes bgPan { 0%{background-position:0 0, 100% 25%, 0 0} 50%{background-position:6% 3%, 92% 22%, 0 0} 100%{background-position:0 0, 100% 25%, 0 0} }
@keyframes aurora { 0%{transform:translate3d(-2%, -1%, 0) rotate(0deg)} 50%{transform:translate3d(1%, 2%, 0) rotate(12deg)} 100%{transform:translate3d(-1%, 1%, 0) rotate(-8deg)} }
@keyframes hueshift { 0% { filter: hue-rotate(0deg) } 100% { filter: hue-rotate(360deg) } }

/* Index page: richer animated background */
.index-animated::before {
  background:
    radial-gradient(1100px 520px at 8% 12%, color-mix(in oklab, var(--brand) 25%, transparent), transparent 60%),
    radial-gradient(1000px 500px at 92% 18%, color-mix(in oklab, var(--brand-2) 22%, transparent), transparent 60%),
    radial-gradient(900px 460px at 50% 90%, color-mix(in oklab, var(--accent) 16%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-elev));
  animation: bgPan 26s linear infinite;
}
.dark.index-animated::before {
  background:
    radial-gradient(1100px 520px at 8% 12%, color-mix(in oklab, var(--brand) 35%, transparent), transparent 60%),
    radial-gradient(1000px 500px at 92% 18%, color-mix(in oklab, var(--brand-2) 28%, transparent), transparent 60%),
    radial-gradient(900px 460px at 50% 90%, color-mix(in oklab, var(--accent) 22%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-elev));
}
.index-animated::after {
  background: conic-gradient(from 0deg at 50% 50%, color-mix(in oklab, var(--brand) 10%, transparent), color-mix(in oklab, var(--brand-2) 8%, transparent), color-mix(in oklab, var(--accent) 8%, transparent));
  filter: blur(52px) saturate(130%);
  opacity: .42;
  animation: aurora 30s ease-in-out infinite alternate, hueshift 60s linear infinite;
}

/* Subtle animated grid layer for extra depth */
.bg-net { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .08; mix-blend-mode: overlay; }
.bg-net::before {
  content: ""; position: absolute; inset: -50%;
  background:
    repeating-linear-gradient(0deg, currentColor 0px, currentColor 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, currentColor 0px, currentColor 1px, transparent 1px, transparent 40px);
  color: color-mix(in oklab, var(--brand) 40%, var(--accent));
  transform: rotate(12deg);
  animation: netScroll 40s linear infinite;
}
@keyframes netScroll { 0% { transform: rotate(12deg) translateY(0) } 100% { transform: rotate(12deg) translateY(-40px) } }

/* Smooth theme switching */
html.theme-switching body, html.theme-switching header, html.theme-switching .glass, html.theme-switching .card, html.theme-switching input, html.theme-switching textarea, html.theme-switching select, html.theme-switching button { transition: background-color .45s ease, color .45s ease, border-color .45s ease, box-shadow .45s ease; }
html.intent-switching body, html.intent-switching header, html.intent-switching .glass, html.intent-switching .card, html.intent-switching input, html.intent-switching textarea, html.intent-switching select, html.intent-switching button { transition: background-color .5s ease, color .5s ease, border-color .5s ease, box-shadow .5s ease, filter .5s ease; }
html.intent-switching body::after { transition: filter .5s ease, opacity .5s ease; filter: saturate(130%) hue-rotate(20deg); }

/* Header / navbar */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(10px);
  background: color-mix(in oklab, var(--bg-elev) 85%, transparent);
  border-bottom: 1px solid var(--border);
}
header nav {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header a { color: inherit; text-decoration: none; }
header a:hover { color: var(--brand); }
/* Enhanced nav link hover: gradient text + glow; no underline */
header nav a {
  position: relative;
  text-decoration: none;
  transition: color .25s ease, filter .25s ease, background-position .6s ease, transform .15s ease;
}
header nav a:hover,
header nav a:focus-visible {
  text-decoration: none !important;
  color: transparent;
  background-image: linear-gradient(90deg, var(--brand), var(--brand-2));
  background-size: 200% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 6px 14px color-mix(in oklab, var(--brand) 35%, transparent));
  transform: translateY(-1px) scale(1.04);
}
header nav a:hover { background-position: 100% 50%; }
/* Responsive nav */
.nav-links, .nav-cta { display: flex; }
#menuBtn { display: none; }
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  #menuBtn { display: inline-flex; }
  #mobileMenu { display: none; padding: 12px 16px; }
  #mobileMenu a { display: block; padding: 8px 0; }
}

/* Announcement bar (top band) */
.announcement {
  background: linear-gradient(90deg, var(--brand), var(--brand-2), var(--brand));
  color: #fff;
}
.announcement .inner { max-width: 1200px; margin: 0 auto; padding: 6px 16px; text-align: center; font-size: 0.9rem; }

/* Animated announcement content */
.ann-badge {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 2px 8px; border-radius: 9999px; font-weight: 800;
  background: rgba(255,255,255,.2);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.35);
}
.ann-sep { margin: 0 8px; opacity: .85; }
.ann-rotator { display: inline-block; min-height: 1em; position: relative; padding-right: 3px; }
.ann-rotator.enter { animation: annSlideIn .45s cubic-bezier(.2,.8,.2,1); }
.ann-rotator.leave { animation: annSlideOut .35s cubic-bezier(.2,.8,.2,1); position: absolute; }
.ann-rotator[data-typing="true"]::after {
  content: ""; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 2px; height: 1.1em; background: currentColor; border-radius: 1px;
  animation: caretBlink 1s steps(1) infinite;
}
@keyframes caretBlink { 0%, 49% { opacity: 1 } 50%, 100% { opacity: 0 } }
@keyframes annSlideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes annSlideOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-8px); } }

/* Buttons */
button, .btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(0,0,0,0.03);
}
button:hover, .btn:hover { box-shadow: var(--shadow-soft); border-color: color-mix(in oklab, var(--brand) 25%, var(--border)); }
.btn-primary { background: var(--brand); color: #fff; border-color: color-mix(in oklab, var(--brand) 60%, var(--border)); }
.btn-primary:hover { background: color-mix(in oklab, var(--brand) 85%, black 0%); }

/* Theme toggle icon button */
[data-theme-toggle] {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
}

/* Cards / glass */
.glass, .card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, box-shadow .2s ease;
}
.glass:hover, .card:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -18px rgba(0,0,0,.4), var(--shadow-soft); }

/* Sections and general layout */
section { padding: 25px 16px; }
section > div { max-width: 1200px; margin: 0 auto; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin: 0; }
.muted { color: var(--text-muted); }

/* Dashboard */
.dashboard-shell { min-height: 100vh; display: grid; gap: 16px; align-content: start; }
.dash-hero { max-width: 1200px; margin: 16px auto 0; position: relative; overflow: hidden; }
.dash-hero::before {
  content: ""; position: absolute; inset: -20% -10% -10% -20%; z-index: 0; pointer-events:none;
  background:
    radial-gradient(600px 300px at 15% 20%, color-mix(in oklab, var(--brand) 18%, transparent), transparent 60%),
    radial-gradient(520px 260px at 85% 60%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%);
  filter: blur(22px) saturate(120%);
  opacity: .35;
  animation: contactGlow 22s ease-in-out infinite alternate;
}
.dash-hero-head { position: relative; z-index: 1; display:flex; align-items:center; justify-content: space-between; gap: 12px; }
.dash-title { position: relative; z-index: 1; margin: 6px 0 0 0; font-size: clamp(1.6rem, 4vw, 2.25rem); }
.dash-title {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dash-subtitle { position: relative; z-index: 1; margin: 4px 0 0 0; }
.dash-welcome { position: relative; z-index: 1; margin-top: 12px; }
.dash-welcome-inner { display:flex; align-items:center; justify-content: space-between; gap: 12px; }
.dash-welcome-level { display:flex; flex-direction: column; gap: 2px; }
.dash-welcome-level .k { font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); }
.dash-welcome-level .v { font-size: 20px; font-weight: 800; }
.dash-stats { position: relative; z-index: 1; margin-top: 12px; }
.stat-card {
  position: relative; overflow: hidden; border-radius: 16px; padding: 16px;
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--bg-elev) 96%, transparent), color-mix(in oklab, var(--bg-elev) 90%, transparent));
  border: 1px solid var(--border);
}
.stat-card::before {
  content: ""; position: absolute; inset: -20% -10% -10% -20%; pointer-events:none; z-index: 0;
  background:
    radial-gradient(200px 100px at 20% 30%, color-mix(in oklab, var(--brand) 14%, transparent), transparent 60%);
  filter: blur(12px); opacity: .4;
}
.stat-k { font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--text-muted); position: relative; z-index: 1; }
.stat-v { font-size: 22px; font-weight: 800; margin-top: 6px; position: relative; z-index: 1; }
.dash-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.action-btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 10px 14px; border-radius: 12px; font-weight: 700; border: 0; cursor: pointer; text-decoration: none; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: var(--shadow-soft); transition: transform .15s ease, box-shadow .25s ease, background-position .6s ease; background-size: 200% 200%; }
.action-btn:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 16px 40px -18px rgba(0,0,0,.4), var(--shadow-soft); }
.action-btn.alt { background: linear-gradient(135deg, var(--accent), var(--brand)); }
.action-btn.ghost { color: var(--text); background: transparent; border: 1px solid var(--border); }

.dash-shortcuts { padding-top: 0; }
.dash-grid { max-width: 1200px; margin: 0 auto; }
.dash-tile { display:flex; align-items:center; gap: 12px; transition: transform .2s ease, box-shadow .2s ease; }
.dash-tile:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -18px rgba(0,0,0,.4), var(--shadow-soft); }
.tile-icon { width: 44px; height: 44px; display:inline-flex; align-items:center; justify-content:center; border-radius: 14px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: var(--shadow-soft); font-size: 22px; }
.tile-body h3 { margin: 0; }
.tile-body p { margin: 4px 0 0 0; }

/* Hero */
#top { position: relative; overflow: hidden;  text-align-last: center;}
#top h1 { font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.1; margin: 16px 0; }
#top p { max-width: 720px; margin: 8px auto; color: var(--text-muted); }

/* Assistant */
#assistant-form { display: flex; gap: 12px; max-width: 720px; margin: 12px auto 0; }
#assistant-form input { flex: 1; }
#assistant-form button { border: none; border-radius: 12px; padding: 12px 18px; background: var(--brand); color: #fff; }

#assistant-results { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 960px; margin: 16px auto 0; }
#assistant-results article h3 { margin: 8px 0 0 0; font-weight: 700; }
#assistant-results article p { margin: 8px 0 0 0; color: var(--text-muted); }

/* Stories and themes grids */
#stories-grid, #themes-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { #stories-grid, #themes-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { #stories-grid, #themes-grid { grid-template-columns: repeat(3, 1fr); } }
/* Stories listing page */
.stories-shell { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
.stories-page { transition: background .4s ease; }
.stories-page.mode-education { }
.stories-page.mode-research { }
.mode-switch { position: relative; display: inline-grid; grid-template-columns: 1fr 1fr; gap: 6px; background: color-mix(in oklab, var(--bg-elev) 92%, transparent); padding: 6px; border-radius: 9999px; border: 1px solid var(--border); box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--brand) 18%, transparent); }
.mode-switch--3 { grid-template-columns: 1fr 1fr 1fr; }
.mode-btn { position: relative; z-index: 1; appearance: none; border: 0; background: transparent; color: var(--text); font-weight: 800; padding: 10px 14px; border-radius: 9999px; cursor: pointer; transition: color .3s ease, transform .15s ease; }
.mode-btn:hover { transform: translateY(-1px); }
.mode-btn[aria-selected="true"] { color: #fff; text-shadow: 0 1px 0 rgba(0,0,0,.12); }
.mode-indicator { position: absolute; top: 6px; bottom: 6px; left: 6px; width: calc(33.333% - 0px); border-radius: 9999px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 8px 26px rgba(2,6,23,0.35); transition: left .5s cubic-bezier(.2,.8,.2,1), width .4s ease, background .35s ease, box-shadow .35s ease; }
/* Indicator responds to page mode AND global html classes so switch can live in navbar */
.stories-page.mode-stories .mode-indicator, html.stories-stories .mode-indicator { background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.stories-page.mode-education .mode-indicator, html.stories-edu .mode-indicator { background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.stories-page.mode-research .mode-indicator, html.stories-research .mode-indicator { background: linear-gradient(135deg, var(--accent), var(--brand)); }

/* Mode-specific background accents for stronger differentiation */
html.stories-stories body::after { opacity: .42; filter: blur(52px) saturate(130%) hue-rotate(0deg); }
html.stories-edu body::after { opacity: .48; filter: blur(56px) saturate(140%) hue-rotate(-15deg); }
html.stories-research body::after { opacity: .5; filter: blur(60px) saturate(150%) hue-rotate(35deg); }

.edu-panel { margin-bottom: 16px; }
.edu-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 640px) { .edu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .edu-grid { grid-template-columns: repeat(3, 1fr); } }
.cert-card { padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg-elev); display: grid; gap: 6px; }
.cert-meta { display:flex; align-items:center; gap: 8px; }
.cert-badge { display:inline-flex; align-items:center; padding: 2px 8px; border-radius: 9999px; font-size: 12px; border: 1px solid var(--border); }
.cert-badge.free { background: rgba(16,185,129,.12); color: #047857; border-color: rgba(16,185,129,.35); }
.cert-badge.paid { background: rgba(234,88,12,.12); color: #c2410c; border-color: rgba(234,88,12,.35); }
.stories-search { display:flex; gap:8px; align-items:center; justify-content:center; margin: 8px 0 25px 0; }
.stories-search input { flex: 1; max-width: 600px; border: 1px solid transparent; background-image: linear-gradient(var(--bg-elev), var(--bg-elev)), linear-gradient(135deg, var(--brand), var(--brand-2)); background-origin: border-box; background-clip: padding-box, border-box; }
.stories-search input::placeholder { color: color-mix(in oklab, var(--text-muted) 70%, transparent); }
.stories-search input:focus { outline: none; box-shadow: 0 8px 30px -18px rgba(2,6,23,.35); }
.stories-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .stories-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .stories-grid { grid-template-columns: repeat(3, 1fr); } }

/* Education mode: hide search and story cards */
.stories-page.mode-education .stories-search,
.stories-page.mode-education #stories-cards { display: none !important; }

/* Hide price filter in research mode */
.stories-page.mode-research #stories-price,
.stories-page.mode-research label[for="stories-price"] { display: none !important; }

/* Reader overlay */
.reader-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.75);
  display: none; align-items: center; justify-content: center; z-index: 1000; padding: 16px;
}
.reader-backdrop.show { display: flex; animation: fadeIn .3s ease-out; }
.reader-panel {
  width: 100%; max-width: 860px; max-height: 90vh; overflow-y: auto;
  border-radius: 20px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  box-shadow: 0 20px 60px rgba(0,0,0,.5); padding: 16px;
  transform: translateY(10px); animation: modalSlideIn .3s ease-out forwards;
}
.reader-head { display:flex; align-items:center; justify-content: space-between; gap: 8px; position: sticky; top: 0; background: var(--bg-elev); padding-bottom: 8px; margin-bottom: 8px; }
.reader-body h2 { margin: 4px 0; }
.reader-actions { display:flex; gap:8px; margin-top: 12px; }
.pagination { display:flex; gap: 8px; align-items:center; justify-content:center; margin-top: 16px; }
.pagination button { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); }
.pagination .active { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border: 0; }
.topic-chip { display:inline-flex; align-items:center; padding: 4px 8px; border-radius: 9999px; font-size: 12px; border: 1px solid var(--border); background: var(--bg-elev); }
/* Story summary clamp / toggle */
#stories .story-card { position: relative; }
.story-badges { display:flex; gap: 8px; align-items:center; margin-bottom: 6px; }
.level-badge { display:inline-flex; align-items:center; padding: 4px 8px; border-radius: 9999px; font-size: 12px; border: 1px solid var(--border); background: var(--bg-elev); }
.level-badge.level-novice { background: rgba(16,185,129,.12); color: #047857; border-color: rgba(16,185,129,.35); }
.level-badge.level-beginner { background: rgba(59,130,246,.12); color: #1d4ed8; border-color: rgba(59,130,246,.35); }
.level-badge.level-intermediate { background: rgba(99,102,241,.12); color: #4f46e5; border-color: rgba(99,102,241,.35); }
.level-badge.level-advanced { background: rgba(234,88,12,.12); color: #c2410c; border-color: rgba(234,88,12,.35); }
.level-badge.level-researcher { background: rgba(147,51,234,.12); color: #6d28d9; border-color: rgba(147,51,234,.35); }
.story-summary {
  max-height: 4.5em; /* ~3 lines */
  overflow: hidden;
  position: relative;
}
.story-summary.is-collapsed::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2.5em;
  background: linear-gradient(180deg, color-mix(in oklab, var(--bg-elev) 10%, transparent), var(--bg-elev));
}
.story-summary.is-expanded { max-height: none; }
.story-controls { display: flex; gap: 8px; margin-top: 8px; align-items: center; justify-content: space-between; }
.summary-toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: color-mix(in oklab, var(--brand) 85%, #fff 0%);
  padding: 0;
  font-weight: 800;
  cursor: pointer;
}
.summary-toggle::after { content: ' ↓'; }
.summary-toggle[aria-expanded="true"]::after { content: ' ↑'; }
/* Generic grid helpers */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* New intake panel */
.intake { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.intake-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 20px;
  background: var(--card-bg);
  background-image:
    radial-gradient(1200px 600px at 120% -20%, color-mix(in oklab, var(--brand) 6%, transparent), transparent 60%),
    repeating-linear-gradient(135deg, color-mix(in oklab, var(--text) 4%, transparent) 0 1px, transparent 1px 16px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.intake-card::before {
  content: ""; position: absolute; inset: -20% -10% -10% -20%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 20% 30%, color-mix(in oklab, var(--intake-a, var(--brand)) 22%, transparent), transparent 60%),
    radial-gradient(520px 260px at 80% 60%, color-mix(in oklab, var(--intake-b, var(--brand-2)) 18%, transparent), transparent 60%);
  filter: blur(22px) saturate(120%);
  opacity: .35;
  animation: contactGlow 22s ease-in-out infinite alternate;
}
.intake-head { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.intake-head::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 9999px;
  background: linear-gradient(90deg, color-mix(in oklab, var(--intake-a, var(--brand)) 60%, transparent), color-mix(in oklab, var(--intake-b, var(--brand-2)) 60%, transparent));
  opacity: .75;
  transform: scaleX(.6);
  transform-origin: left;
  transition: transform .6s cubic-bezier(.2,.8,.2,1);
}
.intake-card:hover .intake-head::after { transform: scaleX(1); }
.intake-titles h2 { margin: 0; }
.intake-titles h2 {
  background: linear-gradient(90deg, var(--intake-a, var(--brand)), var(--intake-b, var(--brand-2)));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.intake-titles p { margin: 4px 0 0 0; }
.intake-mode select {
  appearance: none; border-radius: 12px; padding: 10px 12px; border: 1px solid var(--border);
  background: var(--bg-elev); color: var(--text);
  background-image: linear-gradient(var(--bg-elev), var(--bg-elev)), linear-gradient(135deg, var(--intake-a, var(--brand)), var(--intake-b, var(--brand-2)));
  background-origin: border-box; background-clip: padding-box, border-box;
  transition: box-shadow .25s ease, transform .2s ease;
}
.intake-mode select:hover { transform: translateY(-1px); box-shadow: 0 8px 30px -18px rgba(2,6,23,.35); }
.intake-mode select:focus { outline: none; box-shadow: 0 0 0 3px color-mix(in oklab, var(--intake-a, var(--brand)) 40%, transparent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.intake-form { position: relative; z-index: 1; margin-top: 12px; }
.intake-fields { display: grid; gap: 10px; }
.intake-fields .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.intake-fields .row textarea { grid-column: 1 / -1; }
.intake-fields input, .intake-fields textarea, .intake-fields select { width: 100%; }
.intake-fields input, .intake-fields textarea, .intake-fields select {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg-elev) 90%, transparent);
  transition: border-color .2s ease, box-shadow .25s ease, transform .12s ease;
}
.intake-fields input:hover, .intake-fields textarea:hover, .intake-fields select:hover { border-color: color-mix(in oklab, var(--intake-a, var(--brand)) 35%, var(--border)); }
.intake-fields input:focus, .intake-fields textarea:focus, .intake-fields select:focus {
  outline: none;
  border-color: color-mix(in oklab, var(--intake-a, var(--brand)) 55%, var(--border));
  box-shadow:
    0 10px 30px -14px rgba(2,6,23,.35),
    0 0 0 3px color-mix(in oklab, var(--intake-a, var(--brand)) 35%, transparent),
    0 0 0 6px color-mix(in oklab, var(--intake-b, var(--brand-2)) 28%, transparent);
}
.group { opacity: 0; transform: translateY(6px) scale(.995); pointer-events: none; height: 0; overflow: hidden; transition: opacity .35s ease, transform .35s ease, height .35s ease; }
.group[data-active="true"] { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; height: auto; }
.intake-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.intake-form::before {
  content: ""; display: block; height: 1px; margin: 12px 0; border-radius: 9999px;
  background: linear-gradient(90deg, color-mix(in oklab, var(--intake-a, var(--brand)) 50%, transparent), color-mix(in oklab, var(--intake-b, var(--brand-2)) 50%, transparent));
  filter: saturate(120%);
}

/* Intent color ribbons */
.intake-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; border-radius: 4px 4px 0 0;
  background: linear-gradient(90deg, var(--intake-a, var(--brand)), var(--intake-b, var(--brand-2)));
  transition: background .4s ease;
}

/* Mode color variables */
#intake { --intake-a: var(--brand); --intake-b: var(--brand-2); }
#intake[data-mode="bug"] { --intake-a: #ef4444; --intake-b: #f59e0b; }
#intake[data-mode="collab"] { --intake-a: #7c3aed; --intake-b: #06b6d4; }
#intake[data-mode="other"] { --intake-a: #10b981; --intake-b: #60a5fa; }

.intake-card .btn.btn-primary {
  position: relative; border: none;
  background: linear-gradient(135deg, var(--intake-a, var(--brand)), var(--intake-b, var(--brand-2)));
  background-size: 200% 200%;
  box-shadow: 0 10px 30px -12px color-mix(in oklab, var(--intake-a, var(--brand)) 40%, transparent);
  transition: transform .15s ease, box-shadow .25s ease, background-position .6s ease;
}
.intake-card .btn.btn-primary:hover {
  transform: translateY(-2px);
  background-position: 100% 0;
  box-shadow: 0 16px 40px -18px color-mix(in oklab, var(--intake-b, var(--brand-2)) 55%, transparent);
}
.intake-card .btn.btn-primary:active { transform: translateY(0); }

@media (max-width: 720px) {
  .intake-fields .row { grid-template-columns: 1fr; }
}

/* Reduced motion safety */
@media (prefers-reduced-motion: reduce) {
  .intake-card::before, .intake-head::after, .intake-card .btn.btn-primary { animation: none; transition: none; }
}

/* (restored) removed intake-section special background */

/* Theme per intent */
#contact .contact-panel[data-intent="suggest"] { background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
#contact .contact-panel[data-intent="bug"] { background: linear-gradient(135deg, #ef4444, #f59e0b); }
#contact .contact-panel[data-intent="collab"] { background: linear-gradient(135deg, #7c3aed, #06b6d4); }
#contact .contact-panel[data-intent="other"] { background: linear-gradient(135deg, #10b981, #60a5fa); }

/* Themes cards accent */
#themes .card { position: relative; padding-left: 20px; }
#themes .card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2)); border-radius: 4px;
  transform: scaleY(.6); opacity: .6; transition: width .25s ease, transform .25s ease, opacity .25s ease;
}
#themes .card:hover::before { width: 8px; transform: scaleY(1); opacity: 1; }


/* Modal and overlays */
.modal-backdrop { 
  position: fixed; 
  inset: 0; 
  background: rgba(0, 0, 0, 0.75);
  display: none; 
  align-items: center; 
  justify-content: center; 
  z-index: 1000; 
  padding: 16px;
  overflow-y: auto;
}
.modal-backdrop.show { 
  display: flex; 
  animation: fadeIn 0.3s ease-out;
}
.modal { 
  width: 100%; 
  max-width: 500px; 
  max-height: 90vh;
  border-radius: 16px; 
  border: 1px solid var(--border); 
  background: var(--bg-elev); 
  color: var(--text); 
  padding: 24px; 
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  margin: auto;
  overflow-y: auto;
  transform: translateY(-20px);
  animation: modalSlideIn 0.3s ease-out forwards;
  backdrop-filter: none;
  filter: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalSlideIn {
  from { 
    opacity: 0;
    transform: translateY(-20px) scale(0.95); 
  }
  to { 
    opacity: 1;
    transform: translateY(0) scale(1); 
  }
}

/* Page dimming effect - DISABLED to prevent modal blur */
#page-root {
  transition: opacity 0.3s ease;
}

#page-root.dimmed {
  /* Intentionally left without pointer-event blocking so overlays inside remain clickable */
}

/* Footer */
footer { border-top: 1px solid var(--border); }
footer .inner { max-width: 1200px; margin: 0 auto; padding: 24px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Links */
a { color: color-mix(in oklab, var(--brand) 82%, #fff 0%); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Mobile menu */
#mobileMenu { border-top: 1px solid var(--border); background: color-mix(in oklab, var(--bg-elev) 92%, transparent); padding: 16px; }
.skeleton { position: relative; overflow: hidden; }
.skeleton::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: translateX(-100%); animation: shimmer 1.4s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }

/* FAQ */
details { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; background: var(--bg-elev); }
summary { cursor: pointer; font-weight: 700; list-style: none; }
summary::-webkit-details-marker { display: none; }
details[open] { box-shadow: var(--shadow-soft); }

/* Blockquotes */
blockquote {
  font-style: italic; color: var(--text);
  position: relative; padding-left: 16px;
}
blockquote::before {
  content: "\201C"; position: absolute; left: -6px; top: -8px; font-size: 2rem; color: var(--brand-2); opacity: .6;
}

/* Accessibility focus */
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 6px; }

/* Subscribe button with charging animation */
.subscribe-btn-container {
  position: relative;
  display: inline-block;
}

.subscribe-btn {
  position: relative;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-2), var(--accent));
  background-size: 300% 300%;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 20px;
  font-weight: 700;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s ease;
  transform: perspective(1000px);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
  animation: gradientShift 4s ease-in-out infinite;
}

.subscribe-btn:hover {
  transform: translateY(-2px) perspective(1000px) rotateX(10deg) rotateY(-5deg);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4), 0 0 20px rgba(16, 185, 129, 0.3);
  animation-play-state: paused;
}

.subscribe-btn-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.subscribe-text {
  position: relative;
  z-index: 3;
  transition: transform 0.3s ease;
}

.subscribe-btn:hover .subscribe-text {
  transform: scale(1.05);
}

/* Charging bar animation */
.subscribe-charge-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #ffffff, rgba(255,255,255,0.8), #ffffff);
  border-radius: 0 0 20px 20px;
  opacity: 0;
  width: 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.subscribe-btn:hover .subscribe-charge-bar {
  opacity: 1;
  width: 100%;
  animation: chargeUp 1.5s ease-in-out;
}

/* Sparkles animation */
.subscribe-sparkles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 20px;
}

.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #ffffff;
  border-radius: 50%;
  opacity: 0;
  box-shadow: 0 0 6px rgba(255,255,255,0.8);
}

.subscribe-btn:hover .sparkle {
  animation: sparkleFloat 2s ease-in-out infinite;
}

.sparkle-1 {
  top: 20%;
  left: 15%;
  animation-delay: 0.2s;
}

.sparkle-2 {
  top: 70%;
  right: 20%;
  animation-delay: 0.8s;
}

.sparkle-3 {
  top: 40%;
  right: 15%;
  animation-delay: 1.4s;
}

/* Keyframes */
@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes chargeUp {
  0% {
    width: 0;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    width: 100%;
    opacity: 1;
  }
}

@keyframes sparkleFloat {
  0%, 100% {
    opacity: 0;
    transform: translateY(0) scale(1);
  }
  20% {
    opacity: 1;
  }
  50% {
    opacity: 1;
    transform: translateY(-8px) scale(1.2);
  }
  80% {
    opacity: 1;
    transform: translateY(0) scale(0.8);
  }
}

/* Pulsing glow effect for the whole button */
.subscribe-btn::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2), var(--accent));
  background-size: 300% 300%;
  border-radius: 22px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: gradientShift 4s ease-in-out infinite;
  filter: blur(8px);
}

.subscribe-btn:hover::before {
  opacity: 0.7;
  animation: pulseGlow 1.5s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.9;
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .subscribe-btn {
    padding: 10px 20px;
    font-size: 14px;
  }
  
  .mobile-subscribe-btn {
    width: 100%;
    margin-top: 8px;
  }
}

/* Charge completion effect */
.subscribe-btn.charge-complete {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.8), 0 0 50px rgba(16, 185, 129, 0.6);
  animation: chargeComplete 0.5s ease-out;
}

@keyframes chargeComplete {
  0% {
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(37, 99, 235, 1), 0 0 60px rgba(16, 185, 129, 0.8);
    transform: scale(1.1);
  }
  100% {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.8), 0 0 50px rgba(16, 185, 129, 0.6);
    transform: scale(1.05);
  }
}

/* Dark mode adjustments */
.dark .subscribe-btn {
  box-shadow: 0 4px 20px rgba(96, 165, 250, 0.3);
}

.dark .subscribe-btn:hover {
  box-shadow: 0 8px 30px rgba(96, 165, 250, 0.5), 0 0 20px rgba(52, 211, 153, 0.4);
}

.dark .subscribe-btn.charge-complete {
  box-shadow: 0 0 30px rgba(96, 165, 250, 0.8), 0 0 50px rgba(52, 211, 153, 0.6);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  body::before, body::after { animation: none; }
  html.theme-switching * { transition: none !important; }
  .subscribe-btn {
    animation: none;
  }
  .subscribe-btn::before {
    animation: none;
  }
  .subscribe-btn:hover .subscribe-charge-bar {
    animation: none;
  }
  .subscribe-btn:hover .sparkle {
    animation: none;
  }
}

/* ========================= */
/* Auth experience (login UI) */
/* ========================= */
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 16px;
}

.auth-theme {
  position: fixed;
  top: 16px;
  right: 16px;
}
.auth-theme button {
  width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elev);
  color: var(--text);
}
.auth-card {
  width: 100%;
  max-width: 760px;
  border-radius: 20px;
  padding: 24px;
  overflow: hidden;
  position: relative;
}
.auth-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 8px;
}
.auth-header .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; }
.auth-header .brand .logo-badge { display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow-soft)}

.auth-tabs {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: color-mix(in oklab, var(--bg-elev) 92%, transparent);
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 9999px;
  margin-top: 8px;
}
.auth-tab {
  position: relative;
  z-index: 1;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 9999px;
  cursor: pointer;
}
.auth-tab[aria-selected="true"] { color: #fff; }
.auth-tab-indicator {
  position: absolute;
  inset: 6px;
  width: calc(33.333% - 0px);
  border-radius: 9999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 6px 20px rgba(2,6,23,0.35);
  transform: translateX(0%);
  transition: transform .5s cubic-bezier(.2,.8,.2,1);
}

.auth-panels { position: relative; margin-top: 16px; min-height: 260px; }
.auth-panel { 
  animation: panelIn .5s cubic-bezier(.2,.8,.2,1);
}
.auth-card[data-state="signup"] #panel-signup,
.auth-card[data-state="login"] #panel-login,
.auth-card[data-state="reset"] #panel-reset {
  display: block;
}
.auth-card[data-state="signup"] #panel-login,
.auth-card[data-state="signup"] #panel-reset,
.auth-card[data-state="login"] #panel-signup,
.auth-card[data-state="login"] #panel-reset,
.auth-card[data-state="reset"] #panel-login,
.auth-card[data-state="reset"] #panel-signup {
  display: none;
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.98);
    filter: saturate(.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: saturate(1);
  }
}

.auth-panel h1 { margin: 4px 0 6px 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.auth-actions { display: grid; gap: 12px; margin-top: 10px; }
.auth-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 12px; }
.auth-form input { width: 100%; }
.auth-alt { display:flex; align-items:center; gap:8px; justify-content:center; margin-top: 8px; }
.auth-alt .link { background: none; border: 0; color: color-mix(in oklab, var(--brand) 82%, #fff 0%); cursor: pointer; font-weight: 700; }

/* Subtle premium ornament behind the card */
.auth-card::before {
  content: "";
  position: absolute; inset: -20% -10% -10% -20%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 300px at 10% 20%, color-mix(in oklab, var(--brand) 18%, transparent), transparent 60%),
    radial-gradient(520px 260px at 85% 60%, color-mix(in oklab, var(--accent) 14%, transparent), transparent 60%);
  filter: blur(24px) saturate(120%);
  opacity: .6;
  animation: contactGlow 22s ease-in-out infinite alternate;
}

@media (max-width: 680px) {
  .auth-form { grid-template-columns: 1fr; }
  .auth-card { padding: 18px; }
}

/* Removed inline reset sheet styles (restored full panel) */
