/* ============================================================
   나만의 번역기 — 종이 같은 리더 미감
   ============================================================ */

:root {
  /* Light theme — warm paper */
  --bg: #f5f1e8;
  --bg-card: #ffffff;
  --bg-soft: #ece6d6;
  --ink: #2b2620;
  --ink-soft: #564e44;
  --ink-mute: #8a8174;
  --rule: #d8d0bd;
  --rule-soft: #e6decc;
  --accent: #5c7456;
  --accent-soft: #8ba682;
  --accent-ink: #ffffff;
  --warn: #a64b2a;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(43, 38, 32, 0.06);

  /* Type */
  --font-ui: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    system-ui, Roboto, "Helvetica Neue", sans-serif;
  --font-serif: "Noto Serif KR", "Source Han Serif K", "Apple SD Gothic Neo",
    serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Layout */
  --reader-width: 42rem;
  --radius: 8px;
  --radius-sm: 6px;

  /* Reader (overridable via JS) */
  --reader-font: var(--font-ui);
  --reader-size: 17px;
  --reader-line: 1.8;
  --orig-size: 0.85;
  --orig-opacity: 0.55;
}

[data-theme="dark"] {
  --bg: #1a1815;
  --bg-card: #25221d;
  --bg-soft: #2f2b25;
  --ink: #e8e2d5;
  --ink-soft: #b8b0a0;
  --ink-mute: #807a6e;
  --rule: #3a352e;
  --rule-soft: #2f2b25;
  --accent: #8ba682;
  --accent-soft: #6b8163;
  --accent-ink: #1a1815;
  --warn: #d97757;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Top bar
   ============================================================ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}

.brand-name { font-size: 15px; }

.topbar-actions { display: flex; gap: 6px; }

/* ============================================================
   Buttons
   ============================================================ */

button {
  font-family: inherit;
  font-size: 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}

button:active { transform: translateY(1px); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
}
.primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 88%, black);
}

.ghost {
  background: transparent;
  color: var(--ink-soft);
}
.ghost:hover:not(:disabled) {
  background: var(--bg-soft);
  color: var(--ink);
}

.ghost.small { padding: 6px 10px; font-size: 13px; }

.link {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
}

/* ============================================================
   Main / views
   ============================================================ */

main {
  flex: 1;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.view { display: block; }
.view[hidden] { display: none; }

/* ============================================================
   Input view
   ============================================================ */

.hero {
  margin: 24px 0 28px;
  text-align: left;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 34px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}

.hero-sub {
  color: var(--ink-soft);
  margin: 0;
  font-size: 15px;
}

.input-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

textarea, input[type="text"], input[type="number"], select {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  resize: vertical;
}

#inputBox {
  border: 0;
  padding: 6px 4px;
  background: transparent;
  font-size: 15px;
  line-height: 1.6;
  resize: vertical;
  min-height: 80px;
}

#inputBox:focus { outline: none; }

textarea:focus,
input:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 1px;
}

.input-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--rule-soft);
}

.chip {
  display: inline-block;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--ink-soft);
  font-weight: 500;
}

.chip[data-mode="text"] { color: var(--accent); }
.chip[data-mode="url"] { color: var(--accent); }
.chip[data-mode="viewer"] {
  background: color-mix(in srgb, var(--accent) 20%, var(--bg-soft));
  color: var(--accent);
}

.supported {
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px dashed var(--rule);
  border-radius: var(--radius);
}

.supported p { margin: 0 0 10px; }

.site-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  font-size: 13px;
}

@media (max-width: 540px) {
  .site-list { grid-template-columns: 1fr; }
}

.site-list code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  background: transparent;
  padding: 0 4px;
}

.site-list li.full { grid-column: 1 / -1; }

.banner {
  margin-top: 20px;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--warn) 12%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--warn) 30%, var(--rule));
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
}

.ext-status {
  margin: 14px 0 0;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-card));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--rule));
  border-radius: var(--radius-sm);
}

/* ============================================================
   Reader view
   ============================================================ */

.reader-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
  gap: 12px;
  flex-wrap: wrap;
}

.reader-nav { display: flex; align-items: center; gap: 12px; }
.reader-actions { display: flex; gap: 6px; }

.reader {
  max-width: var(--reader-width);
  margin: 0 auto;
  font-family: var(--reader-font);
  font-size: var(--reader-size);
  line-height: var(--reader-line);
  color: var(--ink);
}

.reader h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.6em;
  line-height: 1.3;
  margin: 0 0 1.4em;
  letter-spacing: -0.01em;
  padding-bottom: 0.6em;
  border-bottom: 1px solid var(--rule);
}

/* 번역 단락 블록 */
.para-block {
  margin: 0 0 1em;
}
.para-block .tr {
  margin: 0;
  text-indent: 1em;
  cursor: pointer;
  transition: background 0.12s ease;
  border-radius: 4px;
}
.para-block .tr:hover {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

/* 원문: 기본 숨김. 단락 클릭(show-orig) 또는 전역 토글 시 표시 */
.para-block .orig {
  display: none;
  margin: 0.35em 0 0;
  text-indent: 1em;
  color: var(--ink-mute);
  font-size: calc(var(--reader-size) * var(--orig-size, 0.85));
  opacity: var(--orig-opacity, 0.55);
  border-left: 2px solid var(--rule);
  padding-left: 0.7em;
}
.para-block.show-orig .orig,
.reader[data-show-original="true"] .para-block .orig {
  display: block;
}

.reader-status {
  margin: 24px auto;
  max-width: var(--reader-width);
  padding: 12px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

.reader-status.error {
  background: color-mix(in srgb, var(--warn) 15%, var(--bg-soft));
  color: var(--warn);
}

/* ============================================================
   Settings drawer
   ============================================================ */

.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--ink) 30%, transparent);
  display: flex;
  justify-content: flex-end;
  animation: fade 0.2s ease;
}

.drawer[hidden] { display: none; }

.drawer-inner {
  width: min(440px, 100%);
  height: 100%;
  background: var(--bg);
  border-left: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  animation: slidein 0.25s ease;
}

@keyframes fade { from { opacity: 0 } to { opacity: 1 } }
@keyframes slidein {
  from { transform: translateX(20px); opacity: 0 }
  to { transform: translateX(0); opacity: 1 }
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--rule);
}

.drawer-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 24px;
}

.settings-group {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--rule);
}
.settings-group:last-of-type { border-bottom: 0; }

.settings-group h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin: 0 0 12px;
}

.settings-group label {
  display: block;
  margin-bottom: 12px;
}

.settings-group label > span {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--ink-soft);
}

.settings-group label.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.settings-group label.row > span {
  margin-bottom: 0;
}

.settings-group label.row input,
.settings-group label.row select {
  width: auto;
  flex: 0 0 auto;
  max-width: 160px;
}

.settings-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.drawer-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  position: sticky;
  bottom: 0;
  background: var(--bg);
  padding: 12px 0 4px;
  border-top: 1px solid var(--rule);
}

.drawer-actions .primary { flex: 1; }

/* ============================================================
   Toast
   ============================================================ */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 200;
  box-shadow: var(--shadow);
  animation: toast 0.2s ease;
}

.toast.error { background: var(--warn); color: white; }

@keyframes toast {
  from { transform: translate(-50%, 10px); opacity: 0 }
  to   { transform: translate(-50%, 0); opacity: 1 }
}

/* ============================================================
   Misc
   ============================================================ */

.muted { color: var(--ink-mute); }
.small { font-size: 12px; }
code, .mono { font-family: var(--font-mono); }

::selection {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  color: var(--ink);
}

/* Mobile tweaks */
@media (max-width: 600px) {
  main { padding: 20px 16px 80px; }
  .topbar { padding: 12px 16px; }
  .hero-title { font-size: 28px; }
  .input-card { padding: 12px; }
  .drawer-inner { width: 100%; border-left: 0; }
}