/* ==========================================================================
   edgers.dev — stylesheet
   "Solar cyberpunk" — daylight glass instead of midnight neon.
   Tokens first (colors / type / spacing / effects), components below.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Inter:wght@400;500;600&display=swap');

:root {
  /* ---- neutrals (cool slate) ---- */
  --slate-900: #14171c;

  /* ---- solar (secondary accent — warm gold, the "sun") ---- */
  --solar-500: #f5943c;
  --solar-600: #e07a24;

  /* ---- cyber (primary accent — electric cyan, the "2077" edge) ---- */
  --cyber-500: #17c3c9;
  --cyber-600: #0fa0a8;

  /* ---- status ---- */
  --status-ok: #2fae6b;
  --status-bad: #e0524a;
  --status-idle: #b9c2cd;

  /* ---- surfaces ---- */
  --bg-page: linear-gradient(160deg, #fef8ef 0%, #f4f0ff 42%, #eaf6f8 100%);
  --surface-glass: rgba(255, 255, 255, 0.38);
  --surface-glass-strong: rgba(255, 255, 255, 0.58);

  /* ---- borders ---- */
  --border-glass: rgba(255, 255, 255, 0.5);
  --border-glass-soft: rgba(20, 23, 28, 0.08);
  --border-cyber: rgba(23, 195, 201, 0.5);
  --border-solar: rgba(245, 148, 60, 0.55);

  /* ---- text ---- */
  --text-ink: #1b1f27;
  --text-dim: #5b6472;

  /* ---- accents — light theme leads with solar (warm), dark leads with cyber ---- */
  --accent-primary: var(--solar-500);
  --accent-primary-strong: var(--solar-600);
  --accent-secondary: var(--cyber-500);
  --accent-secondary-strong: var(--cyber-600);

  /* ---- type ---- */
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --text-h1: clamp(1.8rem, 4vw, 2.6rem);
  --text-eyebrow: 0.78rem;
  --text-body: 1.02rem;
  --text-small: 0.85rem;
  --text-micro: 0.75rem;
  --tracking-tight: -0.02em;
  --tracking-eyebrow: 0.08em;
  --leading-tight: 1.15;
  --leading-body: 1.55;

  /* ---- spacing ---- */
  --content-max: 900px;

  /* ---- effects ---- */
  --blur-sm: 12px;
  --blur-md: 22px;
  --blur-lg: 36px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-glass-sm: 0 1px 2px rgba(20, 23, 28, 0.04), 0 8px 24px rgba(20, 23, 28, 0.06);
  --shadow-glass-md: 0 2px 4px rgba(20, 23, 28, 0.05), 0 16px 40px rgba(20, 23, 28, 0.09);
  --shadow-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  --glow-cyber-sm: 0 0 0 1px var(--border-cyber), 0 0 16px rgba(23, 195, 201, 0.35);
  --glow-solar-sm: 0 0 0 1px var(--border-solar), 0 0 16px rgba(245, 148, 60, 0.35);
  --duration-standard: 0.2s;
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);

  /* ---- semantic hover accent — solar in light, cyber in dark (see theme block) ---- */
  --border-accent: var(--border-solar);
  --glow-accent-sm: var(--glow-solar-sm);
  --text-on-primary: #201200;
}

/* ---- animations ---- */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { transform: none; }
}

.intro { animation: rise-in 0.45s var(--ease-standard) both; }
.tile  { animation: rise-in 0.45s var(--ease-standard) both; }
.tiles .tile:nth-child(1) { animation-delay: 0.06s; }
.tiles .tile:nth-child(2) { animation-delay: 0.12s; }
.tiles .tile:nth-child(3) { animation-delay: 0.18s; }
.tiles .tile:nth-child(4) { animation-delay: 0.24s; }

/* ---- dark theme — set data-theme="dark" on <html> ---- */
[data-theme="dark"] {
  --bg-page: linear-gradient(160deg, #0b0e13 0%, #11151d 45%, #0c1a1b 100%);
  --surface-glass: rgba(22, 27, 35, 0.46);
  --surface-glass-strong: rgba(26, 32, 41, 0.66);

  --border-glass: rgba(255, 255, 255, 0.14);
  --border-glass-soft: rgba(255, 255, 255, 0.08);
  --border-cyber: rgba(100, 232, 236, 0.55);
  --border-solar: rgba(255, 190, 110, 0.55);

  --text-ink: #eef1f5;
  --text-dim: #9aa5b3;

  --accent-primary: #7fe9ec;
  --accent-primary-strong: #17c3c9;
  --accent-secondary: #ffb648;
  --accent-secondary-strong: #f5943c;

  --shadow-glass-sm: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.32);
  --shadow-glass-md: 0 2px 6px rgba(0, 0, 0, 0.4), 0 20px 48px rgba(0, 0, 0, 0.4);
  --shadow-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  --glow-cyber-sm: 0 0 0 1px var(--border-cyber), 0 0 18px rgba(100, 232, 236, 0.45);
  --glow-solar-sm: 0 0 0 1px var(--border-solar), 0 0 18px rgba(255, 190, 110, 0.4);

  --border-accent: var(--border-cyber);
  --glow-accent-sm: var(--glow-cyber-sm);
  --text-on-primary: #04262a;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  transition: background var(--duration-standard) var(--ease-standard);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
  font-family: var(--font-sans);
  color: var(--text-ink);
  transition: background var(--duration-standard) var(--ease-standard),
              color var(--duration-standard) var(--ease-standard);
}

a {
  color: var(--accent-primary);
}

a:hover {
  color: var(--accent-primary-strong);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ---- topbar ---- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface-glass-strong);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass-sm);
}

.topbar-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-mark {
  flex-shrink: 0;
}

.brand-word {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: var(--tracking-tight);
  color: var(--text-ink);
}

.brand-word-accent {
  color: var(--accent-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-dim);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-glass-soft);
  border-radius: var(--radius-sm, 6px);
  cursor: pointer;
  transition: color var(--duration-standard) var(--ease-standard),
              border-color var(--duration-standard) var(--ease-standard),
              box-shadow var(--duration-standard) var(--ease-standard);
}

.theme-toggle:hover {
  color: var(--text-ink);
  border-color: var(--border-accent);
  box-shadow: var(--glow-accent-sm);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--status-idle);
}

.status-dot.is-ok {
  background: var(--status-ok);
  box-shadow: 0 0 6px var(--status-ok);
}

.status-dot.is-bad {
  background: var(--status-bad);
  box-shadow: 0 0 6px var(--status-bad);
}

/* ---- page content ---- */

.wrap {
  flex: 1 0 auto;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 64px 24px 40px;
  width: 100%;
}

.intro {
  margin-bottom: 48px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--accent-primary);
  margin: 0 0 12px;
}

.title {
  font-family: var(--font-mono);
  font-size: var(--text-h1);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  color: var(--text-ink);
  margin: 0 0 12px;
  line-height: var(--leading-tight);
}

.sub {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--text-dim);
  max-width: 52ch;
  line-height: var(--leading-body);
  margin: 0;
}

/* ---- tile grid ---- */

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-5, 20px);
  background: var(--surface-glass);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass-md), var(--shadow-inner-highlight);
  text-decoration: none;
  color: var(--text-ink);
  cursor: pointer;
  transition: transform var(--duration-standard) var(--ease-standard),
              box-shadow var(--duration-standard) var(--ease-standard),
              border-color var(--duration-standard) var(--ease-standard);
}

.tile:hover {
  transform: translateY(-1px);
  border-color: var(--border-accent);
  box-shadow: var(--glow-accent-sm), var(--shadow-inner-highlight);
}

.tile-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
}

.tile-desc {
  font-size: var(--text-small);
  color: var(--text-dim);
}

.tile-muted {
  opacity: 0.55;
  pointer-events: none;
}

/* ---- footer ---- */

.foot {
  flex-shrink: 0;
  text-align: center;
  padding: 24px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  border-top: 1px solid var(--border-glass-soft);
}

/* ==========================================================================
   Tool page primitives — shared by any /tools/* utility page.
   ========================================================================== */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 20px;
}

.back-link:hover {
  color: var(--accent-primary);
}

/* generic glass content surface, non-interactive (vs. .tile which is a link) */
.panel {
  background: var(--surface-glass);
  backdrop-filter: blur(var(--blur-md));
  -webkit-backdrop-filter: blur(var(--blur-md));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass-md), var(--shadow-inner-highlight);
  padding: 24px;
}

.panel + .panel {
  margin-top: 14px;
}

/* ---- form fields ---- */

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
}

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-dim);
  margin-bottom: 6px;
}

.input,
textarea.input,
input.input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  padding: 10px 12px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: var(--surface-glass-strong);
  color: var(--text-ink);
  resize: vertical;
  transition: border-color var(--duration-standard) var(--ease-standard);
}

.input:focus {
  outline: none;
  border-color: var(--border-accent);
}

.field { flex: 1; min-width: 150px; }

.row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }

/* ---- buttons ---- */

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: var(--text-small);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-standard) var(--ease-standard),
              box-shadow var(--duration-standard) var(--ease-standard);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-on-primary);
  border: 1px solid var(--accent-primary-strong);
  box-shadow: var(--shadow-glass-sm);
}

.btn-primary:hover {
  box-shadow: var(--glow-accent-sm);
}

.btn-secondary {
  background: var(--surface-glass-strong);
  color: var(--text-ink);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass-sm);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.btn-secondary:hover {
  border-color: var(--border-accent);
  box-shadow: var(--glow-accent-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-glass-soft);
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--text-ink);
  border-color: var(--border-accent);
}

.btn-ghost.copied {
  color: var(--status-ok);
  border-color: var(--status-ok);
}

/* ---- pill toggle group (e.g. date presets) ---- */

.pill-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.pill {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-glass);
  background: var(--surface-glass-strong);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--duration-standard) var(--ease-standard);
}

.pill.active {
  background: var(--surface-glass-tinted-solar, var(--surface-glass-strong));
  border-color: var(--border-accent);
  color: var(--text-ink);
  font-weight: 500;
}

/* ---- stat cards ---- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 560px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.stat-card .stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  color: var(--text-dim);
  margin: 0 0 4px;
}

.stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-ink);
}

.stat-value.is-ok { color: var(--status-ok); }
.stat-value.is-bad { color: var(--status-bad); }

/* ---- callouts ---- */

.callout {
  display: none;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 20px;
  font-family: var(--font-sans);
  font-size: var(--text-small);
}

.callout-warn {
  background: rgba(245, 148, 60, 0.14);
  color: var(--slate-900, var(--text-ink));
  border: 1px solid rgba(245, 148, 60, 0.35);
}

/* ---- diff box (string comparator) ---- */

.diff-box {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  word-break: break-all;
  line-height: 1.8;
}

.diff-row-label {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: var(--text-micro);
  margin-bottom: 8px;
}

.diff-row-label.second { margin-top: 12px; }

.diffchar {
  background: rgba(224, 82, 74, 0.18);
  color: var(--status-bad);
  border-radius: 2px;
}

.hiddenchar {
  background: rgba(245, 148, 60, 0.25);
  border-radius: 2px;
}

.note {
  font-family: var(--font-sans);
  font-size: var(--text-small);
  color: var(--text-dim);
}

/* ---- badges (weekday/weekend) ---- */

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.badge-ok {
  background: rgba(47, 174, 107, 0.14);
  color: var(--status-ok);
}

.badge-warn {
  background: rgba(245, 148, 60, 0.16);
  color: var(--solar-600);
}

[data-theme="dark"] .badge-warn { color: var(--solar-400, var(--accent-secondary)); }

/* ---- toggle switch ---- */

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
}

.toggle-wrap input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch {
  width: 36px;
  height: 20px;
  background: var(--border-glass);
  border-radius: var(--radius-pill);
  position: relative;
  transition: background var(--duration-standard) var(--ease-standard);
  flex-shrink: 0;
}

.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: left var(--duration-standard) var(--ease-standard);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.toggle-wrap input:checked + .switch {
  background: var(--accent-primary);
}

.toggle-wrap input:checked + .switch::after {
  left: 18px;
}

/* ---- format list (date calculator) ---- */

.result-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.col-heads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 6px;
}

.col-head {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-dim);
  padding-left: 12px;
}

.col-head.right { color: var(--accent-primary); }

.fmt-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fmt-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.fmt-cell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  background: var(--surface-glass-strong);
}

.fmt-cell.deact {
  border-color: var(--border-accent);
}

.fmt-name {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  color: var(--text-dim);
  margin: 0 0 2px;
}

.fmt-value {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--text-ink);
  word-break: break-word;
  margin: 0;
}

.fmt-cell.deact .fmt-value { color: var(--accent-primary); }

@media (max-width: 560px) {
  .col-heads { display: none; }
  .fmt-pair { grid-template-columns: 1fr; }
  .fmt-cell::before {
    content: attr(data-col);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-right: 4px;
  }
}

.empty-state {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--text-dim);
  font-style: italic;
}

/* --- language switcher (i18n) --- */
.langswitch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-glass-soft);
  border-radius: var(--radius-sm, 6px);
  overflow: hidden;
}

.langswitch .lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 32px;
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: var(--text-small);
  line-height: 1;
  color: var(--text-dim);
  text-decoration: none;
  background: transparent;
  transition: color var(--duration-standard) var(--ease-standard),
              background-color var(--duration-standard) var(--ease-standard);
}

.langswitch .lang + .lang {
  border-left: 1px solid var(--border-glass-soft);
}

.langswitch .lang:hover {
  color: var(--text-ink);
}

.langswitch .lang.is-active {
  color: var(--accent-primary);
  background: var(--border-glass-soft);
  font-weight: 500;
}
