/* ===========================================================
   CHEAP COFFEE — Redesign
   Shared design tokens across all three directions
   =========================================================== */

:root {
  color-scheme: light;
  /* Core palette */
  --ink:        #1A1915;
  --ink-soft:   #3B3930;
  --ink-mute:   #6B6658;
  --paper:      #FAF6EC;
  --paper-2:    #F4EDE0;
  --paper-3:    #EBE2CD;
  --line:       #D8CEB2;
  --line-soft:  #E5DCC4;

  /* Accents */
  --olive:      oklch(0.58 0.09 125);
  --olive-ink:  oklch(0.32 0.06 125);
  --olive-mute: oklch(0.92 0.03 125);
  --money:      oklch(0.55 0.14 150);
  --money-ink:  oklch(0.30 0.10 150);
  --money-bg:   oklch(0.94 0.05 150);
  --hazard:     oklch(0.68 0.19 50);
  --hazard-bg:  oklch(0.94 0.06 50);
  --receipt:    oklch(0.70 0.16 25);

  /* Scatter plot heat */
  --heat-cold:  oklch(0.72 0.05 240);
  --heat-mid:   oklch(0.78 0.13 85);
  --heat-hot:   oklch(0.65 0.19 30);

  /* Type */
  --font-serif: "Newsreader", "Georgia", serif;
  --font-sans:  "Space Grotesk", system-ui, sans-serif;
  --font-mono:  "JetBrains Mono", ui-monospace, monospace;

  /* Scale */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 0 rgba(26, 25, 21, 0.04), 0 2px 6px rgba(26, 25, 21, 0.04);
  --shadow:    0 2px 0 rgba(26, 25, 21, 0.04), 0 8px 24px rgba(26, 25, 21, 0.08);
  --shadow-lg: 0 4px 0 rgba(26, 25, 21, 0.05), 0 16px 48px rgba(26, 25, 21, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  color: #1A1915;
  background: #FAF6EC;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Monospaced numeric tables */
.mono, .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Underline-accent link */
a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }

/* ========= SHARED UI COMPONENTS ========= */

/* Score badge — two bars */
.score-bars {
  display: flex; flex-direction: column; gap: 4px;
  min-width: 120px;
}
.score-bar { display: flex; align-items: center; gap: 6px; font-size: 10px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.score-bar .track { flex: 1; height: 6px; background: var(--paper-3); border-radius: 3px; overflow: hidden; }
.score-bar .fill { height: 100%; border-radius: 3px; }
.score-bar .fill.match { background: var(--olive); }
.score-bar .fill.save  { background: var(--money); }
.score-bar .val { font-weight: 600; color: var(--ink); min-width: 32px; text-align: right; }

/* Hack rank badge */
.rank-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 8px; border-radius: 999px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
}
.rank-badge.sss  { background: var(--ink); color: var(--paper); }
.rank-badge.s    { background: oklch(0.35 0.08 25); color: var(--paper); }
.rank-badge.a    { background: var(--money-bg); color: var(--money-ink); border: 1px solid var(--money); }
.rank-badge.b    { background: var(--olive-mute); color: var(--olive-ink); }
.rank-badge.c    { background: var(--paper-2); color: var(--ink-soft); border: 1px solid var(--line); }

/* Chip */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 12px; font-family: var(--font-sans); letter-spacing: 0.01em;
  background: var(--paper-2); color: var(--ink-soft);
  border: 1px solid var(--line-soft);
  cursor: pointer; transition: all 0.15s;
}
.chip:hover { background: var(--paper-3); color: var(--ink); }
.chip.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Button */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; transition: transform 0.1s, background 0.15s; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--olive-ink); }
.btn.ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--paper-2); color: var(--ink); }

/* Tag (tiny label) */
.tag { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mute); }

/* Scroll-lock modal */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(26, 25, 21, 0.4);
  backdrop-filter: blur(4px);
  display: flex; justify-content: flex-end;
  animation: fadeIn 0.2s;
}
.drawer {
  width: min(640px, 100vw); height: 100%;
  background: var(--paper); overflow-y: auto;
  animation: slideIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: -12px 0 48px rgba(0,0,0,0.12);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow);
  animation: toastIn 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 200;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* Utility */
.stack { display: flex; flex-direction: column; }
.row   { display: flex; align-items: center; }
.muted { color: var(--ink-mute); }
.strike { text-decoration: line-through; text-decoration-thickness: 2px; text-decoration-color: var(--hazard); color: var(--ink-mute); }

/* Tweaks panel */
.tweaks-panel {
  position: fixed; bottom: 16px; right: 16px; z-index: 90;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 14px 16px;
  width: 280px;
  font-size: 12px;
}
.tweaks-panel h4 { margin: 0 0 10px; font-size: 11px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-mute); font-weight: 600; }
.tweak-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.tweak-row label { font-size: 11px; color: var(--ink-soft); font-weight: 500; }
.seg { display: inline-flex; background: var(--paper-2); border-radius: var(--radius-sm); padding: 2px; border: 1px solid var(--line-soft); }
.seg button { padding: 5px 9px; border-radius: 4px; font-size: 11px; color: var(--ink-mute); font-weight: 500; }
.seg button.on { background: var(--paper); color: var(--ink); box-shadow: var(--shadow-sm); }