/* ============================================================
   geoffmiller.cloud — Synthwave Dusk design system
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

:root {
  /* — Synthwave Dusk (default dark) — */
  --bg:        #1a1423;
  --bg-1:      #241b2f;  /* panels */
  --bg-2:      #2d2140;  /* hover */
  --bg-3:      #3a2a52;  /* borders active */
  --line:      #362a4d;
  --line-soft: #2a2038;
  --text:      #f5f3ff;
  --text-dim:  #b8a9d9;
  --text-mute: #7a6b94;
  --text-faint:#5a4d73;

  /* Neon accents — Synthwave '84 inspired */
  --neon-pink:    #ff7edb;  /* primary */
  --neon-cyan:    #72f1b8;  /* success / live */
  --neon-amber:   #fede5d;  /* warn / highlight */
  --neon-purple:  #b893ce;
  --neon-red:     #fe4450;
  --neon-blue:    #36f9f6;

  --accent:       var(--neon-pink);
  --accent-soft:  color-mix(in oklab, var(--neon-pink) 18%, transparent);
  --accent-glow:  color-mix(in oklab, var(--neon-pink) 45%, transparent);

  /* Gradients */
  --grad-sun: linear-gradient(180deg, #ff7edb 0%, #fede5d 50%, #72f1b8 100%);
  --grad-horizon: linear-gradient(180deg, transparent 0%, rgba(255,126,219,0.08) 100%);

  /* Type */
  --font-sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-serif: 'Instrument Serif', ui-serif, serif;

  /* Density */
  --density-mult: 1;
  --step: calc(4px * var(--density-mult));
  --rad-sm: 4px;
  --rad:    6px;
  --rad-lg: 10px;
  --rad-xl: 16px;

  /* Shadows / glows */
  --glow-sm: 0 0 0 1px color-mix(in oklab, var(--accent) 25%, transparent),
             0 0 12px -2px color-mix(in oklab, var(--accent) 40%, transparent);
  --glow-md: 0 0 0 1px color-mix(in oklab, var(--accent) 35%, transparent),
             0 0 24px -4px color-mix(in oklab, var(--accent) 55%, transparent),
             0 0 60px -10px color-mix(in oklab, var(--accent) 45%, transparent);
  --shadow-panel: 0 1px 0 rgba(255,255,255,0.03) inset,
                  0 20px 40px -20px rgba(0,0,0,0.5);
}

/* Light mode */
[data-theme="light"] {
  --bg:        #fbfaff;
  --bg-1:      #ffffff;
  --bg-2:      #f3f0fa;
  --bg-3:      #e8e2f5;
  --line:      #e4dff0;
  --line-soft: #efecf7;
  --text:      #1a1423;
  --text-dim:  #4a3d63;
  --text-mute: #7a6b94;
  --text-faint:#a39ab8;
  --neon-pink: #d6399e;
  --neon-cyan: #0ea57a;
  --neon-amber:#c48500;
  --accent:    #d6399e;
  --accent-soft: color-mix(in oklab, #d6399e 12%, transparent);
  --accent-glow: color-mix(in oklab, #d6399e 30%, transparent);
  --shadow-panel: 0 1px 2px rgba(26,20,35,0.06),
                  0 10px 30px -18px rgba(26,20,35,0.15);
}

/* Aesthetic: Terminal Mono */
[data-aesthetic="terminal"] {
  --bg: #0a0a0f;
  --bg-1: #0f0f16;
  --bg-2: #15151f;
  --bg-3: #1e1e2b;
  --line: #1a1a26;
  --line-soft: #141420;
  --text: #e4e4ea;
  --text-dim: #9d9daa;
  --text-mute: #60606c;
  --neon-pink: #72f1b8;
  --neon-cyan: #72f1b8;
  --accent: #72f1b8;
  --accent-soft: color-mix(in oklab, #72f1b8 12%, transparent);
  --accent-glow: color-mix(in oklab, #72f1b8 30%, transparent);
}

/* Aesthetic: Outrun (bolder synthwave) */
[data-aesthetic="outrun"] {
  --bg: #110a1f;
  --bg-1: #1a0f2e;
  --bg-2: #24163d;
  --accent: #ff4dcb;
  --neon-pink: #ff4dcb;
  --neon-cyan: #00eaff;
  --neon-amber: #ffb13c;
}

/* Accent overrides */
[data-accent="cyan"]   { --accent: var(--neon-cyan);   --accent-soft: color-mix(in oklab, var(--neon-cyan) 18%, transparent);   --accent-glow: color-mix(in oklab, var(--neon-cyan) 45%, transparent); }
[data-accent="amber"]  { --accent: var(--neon-amber);  --accent-soft: color-mix(in oklab, var(--neon-amber) 18%, transparent);  --accent-glow: color-mix(in oklab, var(--neon-amber) 45%, transparent); }
[data-accent="pink"]   { --accent: var(--neon-pink);   --accent-soft: color-mix(in oklab, var(--neon-pink) 18%, transparent);   --accent-glow: color-mix(in oklab, var(--neon-pink) 45%, transparent); }
[data-accent="purple"] { --accent: var(--neon-purple); --accent-soft: color-mix(in oklab, var(--neon-purple) 18%, transparent); --accent-glow: color-mix(in oklab, var(--neon-purple) 45%, transparent); }

/* Density */
[data-density="compact"]     { --density-mult: 0.82; }
[data-density="comfortable"] { --density-mult: 1; }
[data-density="spacious"]    { --density-mult: 1.2; }

/* ============================================================
   Base
   ============================================================ */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: dark; }
[data-theme="light"] html { color-scheme: light; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: "ss01","cv11";
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle grid backdrop on dark */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}
[data-theme="light"] body::before { opacity: 0.9; }
[data-grid="off"] body::before { display: none; }

/* Horizon glow at bottom */
body::after {
  content: "";
  position: fixed;
  inset: auto 0 0 0;
  height: 40vh;
  pointer-events: none;
  background: radial-gradient(ellipse 60% 100% at 50% 100%, var(--accent-soft), transparent 70%);
  z-index: 0;
  opacity: 0.6;
}
[data-theme="light"] body::after { opacity: 0.4; }

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg-3); }

/* ============================================================
   Typography primitives
   ============================================================ */
.mono { font-family: var(--font-mono); font-feature-settings: "zero","ss02"; }
.serif { font-family: var(--font-serif); }

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  font-weight: 600;
}

/* Neon text treatment for headings that opt in */
.neon-text {
  color: var(--text);
  text-shadow:
    0 0 1px var(--accent),
    0 0 12px color-mix(in oklab, var(--accent) 50%, transparent),
    0 0 28px color-mix(in oklab, var(--accent) 30%, transparent);
}
[data-theme="light"] .neon-text { text-shadow: none; color: var(--accent); }

.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--text-dim);
  background: var(--bg-1);
}

/* Tag / pill */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-dim);
  background: var(--bg-1);
  transition: all 0.15s ease;
  cursor: default;
  white-space: nowrap;
}
.tag.is-active,
.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: var(--rad);
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--bg-3); background: var(--bg-2); }
.btn-primary {
  background: var(--accent);
  color: #1a1423;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 0 0 0 transparent, 0 6px 20px -8px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 8px 28px -8px var(--accent-glow);
}
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); background: var(--bg-1); }

.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-icon { padding: 7px; }

/* Panel */
.panel {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  box-shadow: var(--shadow-panel);
}

/* Cards */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  padding: 20px;
  transition: all 0.18s ease;
  position: relative;
}
.card:hover {
  border-color: var(--bg-3);
  transform: translateY(-1px);
}

/* Divider with label */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* Section label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--accent);
}

/* Link underline */
.link {
  color: var(--accent);
  border-bottom: 1px solid color-mix(in oklab, var(--accent) 40%, transparent);
  padding-bottom: 1px;
  transition: all 0.15s;
}
.link:hover { border-bottom-color: var(--accent); filter: brightness(1.15); }

/* Layout primitives */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}

.hstack { display: flex; align-items: center; gap: 12px; }
.vstack { display: flex; flex-direction: column; gap: 12px; }
.grow { flex: 1; }

/* App shell */
.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  z-index: 10;
}

.main-column {
  min-width: 0;
  min-height: 100vh;
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 240px; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar.open { transform: translateX(0); }
  .main-column { padding-top: 56px; }
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}
.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-2);
  color: #1a1423;
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow: hidden;
  position: relative;
  box-shadow:
    0 0 0 1px var(--line),
    0 0 0 2px color-mix(in oklab, var(--accent) 50%, transparent),
    0 0 18px -4px var(--accent-glow);
  flex-shrink: 0;
}
.brand-mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.6) contrast(1.05);
  mix-blend-mode: luminosity;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,126,219,0.35), rgba(255,183,77,0.12));
  mix-blend-mode: color;
  pointer-events: none;
}
[data-theme="light"] .brand-mark img { mix-blend-mode: normal; filter: none; }
[data-theme="light"] .brand-mark::after { display: none; }

.nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-section {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 8px 10px 4px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--rad-sm);
  color: var(--text-dim);
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.12s;
  position: relative;
}
.nav-link:hover { background: var(--bg-1); color: var(--text); }
.nav-link.active {
  background: var(--bg-1);
  color: var(--text);
}
.nav-link.active::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 6px; bottom: 6px;
  width: 2px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  border-radius: 0 2px 2px 0;
}
.nav-link .icon {
  width: 16px; height: 16px;
  color: var(--text-mute);
  flex-shrink: 0;
}
.nav-link.active .icon { color: var(--accent); }

.nav-meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-faint);
}

.sidebar-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--neon-cyan) 18%, transparent),
              0 0 12px var(--neon-cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Page */
.page {
  padding: 48px 56px 96px;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 700px) {
  .page { padding: 32px 20px 80px; }
}

.page-head {
  margin-bottom: 40px;
}
.page-title {
  font-size: clamp(32px, 4.2vw, 52px);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.page-sub {
  color: var(--text-dim);
  font-size: 16px;
  max-width: 60ch;
  line-height: 1.55;
}

/* Focus rings */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--rad-sm);
}

/* Mobile top bar */
.mobile-top {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 20;
  padding: 0 16px;
  align-items: center;
  gap: 12px;
}
@media (max-width: 900px) {
  .mobile-top { display: flex; }
}