/* Twilight Rescue — paper & brass, matching sriramnagarajan.com */

:root {
  --paper: #f7f3ec;
  --ink: #23201a;
  --ink-soft: #5c554a;
  --brass: #b98a2e;
  --brass-dark: #8f6a20;
  --card: #fffdf8;
  --line: #e4dccb;
  --ok: #2e7d43;
  --warn: #a97817;
  --bad: #b0402f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hanken Grotesk", system-ui, sans-serif;
  line-height: 1.6;
}

h1, h2 { font-family: "Fraunces", Georgia, serif; font-weight: 650; }

.hero { max-width: 880px; margin: 0 auto; padding: 56px 24px 8px; }
.eyebrow {
  color: var(--brass-dark); text-transform: uppercase;
  letter-spacing: .14em; font-size: .78rem; font-weight: 600; margin: 0 0 10px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin: 0 0 14px; }
.tagline { color: var(--ink-soft); max-width: 640px; margin: 0; }

main { max-width: 880px; margin: 0 auto; padding: 24px; }

.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 26px 28px; margin: 22px 0;
}
.panel h2 { margin: 0 0 14px; font-size: 1.35rem; }
.panel-note { color: var(--ink-soft); font-size: .92rem; margin-top: -6px; }

/* dropzone */
.dropzone {
  border: 2px dashed var(--line); border-radius: 12px; padding: 42px 20px;
  text-align: center; color: var(--ink-soft); cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone.drag, .dropzone:hover { border-color: var(--brass); background: #fbf7ee; }
.dropzone svg { color: var(--brass); margin-bottom: 8px; }
.hint-small { font-size: .82rem; opacity: .8; }

/* controls */
.control-row {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.control-row label { font-weight: 600; font-size: .9rem; }
select, input[type="range"] { accent-color: var(--brass); }
select {
  font: inherit; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff;
}
.btn-primary, .btn-secondary {
  font: inherit; font-weight: 600; border-radius: 999px; cursor: pointer;
  padding: 10px 26px; border: 1px solid var(--brass-dark);
}
.btn-primary { background: var(--brass); color: #fff; }
.btn-primary:hover { background: var(--brass-dark); }
.btn-primary:disabled { opacity: .5; cursor: wait; }
.btn-secondary { background: transparent; color: var(--brass-dark); }
.btn-secondary:hover { background: #f4ecdc; }

.progress {
  height: 8px; background: var(--line); border-radius: 99px;
  overflow: hidden; margin-top: 16px;
}
#progress-bar { height: 100%; width: 0; background: var(--brass); transition: width .2s; }
.result-note { color: var(--ink-soft); font-size: .9rem; margin: 14px 0 0; }

/* compare */
.compare-wrap { margin-top: 18px; }
.compare { position: relative; border-radius: 10px; overflow: hidden; line-height: 0; }
.compare canvas { width: 100%; height: auto; display: block; }
.after-clip {
  position: absolute; inset: 0 auto 0 0; width: 50%; overflow: hidden;
}
.after-clip canvas { width: auto; height: 100%; }
.wipe-line {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
  background: var(--brass); box-shadow: 0 0 0 1px rgba(255,255,255,.6);
  pointer-events: none;
}
.wipe { width: 100%; margin-top: 10px; }
.compare-tools {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  justify-content: space-between; margin-top: 8px;
}
.chk { font-size: .85rem; color: var(--ink-soft); }

/* sharpness */
.sharp-canvas {
  width: 100%; height: auto; border-radius: 10px; cursor: crosshair;
  touch-action: none;
}
.crop-verdict { font-weight: 600; margin: 12px 0 0; }
.crop-verdict.ok { color: var(--ok); }
.crop-verdict.warn { color: var(--warn); }
.crop-verdict.bad { color: var(--bad); }

/* prose */
.prose p { margin: 0 0 14px; color: var(--ink-soft); font-size: .95rem; }
.prose strong { color: var(--ink); }
.prose code {
  font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .82em;
  background: #f1ead9; padding: 1px 5px; border-radius: 5px;
}

footer {
  text-align: center; color: var(--ink-soft); font-size: .85rem;
  padding: 18px 24px 42px;
}
footer a { color: var(--brass-dark); }

@media (max-width: 640px) {
  .panel { padding: 20px 16px; }
  .control-row { flex-direction: column; align-items: stretch; }
}

/* story panel */
.story-text p { color: var(--ink-soft); font-size: .97rem; margin: 0 0 14px; }
.story-text strong { color: var(--ink); }
.story-err { color: var(--bad); font-weight: 600; }
.story-tools { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 6px; }
.gemini-box { margin-top: 14px; font-size: .9rem; }
.gemini-box summary { cursor: pointer; color: var(--brass-dark); font-weight: 600; }
.privacy-note { color: var(--ink-soft); font-size: .85rem; }
.gemini-row { display: flex; gap: 10px; flex-wrap: wrap; }
#gemini-key {
  flex: 1; min-width: 220px; font: inherit; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 8px;
}