/* ── Variables ── */
:root {
  --bg: #0e0e0e;
  --surface: #161616;
  --border: #2a2a2a;
  --text: #e8e2d9;
  --muted: #5a5550;
  --accent: #c8a96e;
  --accent-dim: #7a6440;
  --danger: #c0392b;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 300;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── PIN SCREEN ── */
#pin-screen {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: fadein 0.4s ease;
}

.pin-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.pin-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-style: italic;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.pin-sub {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  margin-top: -1.5rem;
}

.pin-dots {
  display: flex;
  gap: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--muted);
  transition: background 0.15s, border-color 0.15s;
}

.dot.filled {
  background: var(--accent);
  border-color: var(--accent);
}

.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  gap: 0.6rem;
}

.key {
  height: 64px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
}

.key:hover { background: #1f1f1f; border-color: var(--accent-dim); }
.key:active { background: #252525; }
.key-blank { background: transparent; border-color: transparent; cursor: default; }
.key-blank:hover { background: transparent; border-color: transparent; }
.key-del { color: var(--muted); font-size: 1rem; }

.pin-error {
  font-size: 0.75rem;
  color: var(--danger);
  letter-spacing: 0.1em;
  opacity: 0;
  transition: opacity 0.2s;
}

.pin-error.visible { opacity: 1; }

/* ── APP ── */
#app {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem 6rem;
  animation: fadein 0.5s ease;
}

.hidden { display: none !important; }

/* ── Header ── */
header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
}

.header-left {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-style: italic;
  color: var(--accent);
}

.logo-jp {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.flotsam-counter {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

/* ── Input ── */
.input-section {
  margin-bottom: 2rem;
}

textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.6;
  padding: 1rem 1.2rem;
  resize: none;
  outline: none;
  transition: border-color 0.2s;
}

textarea:focus { border-color: var(--accent-dim); }
textarea::placeholder { color: var(--muted); }

.input-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.6rem;
}

.char-count {
  font-size: 0.7rem;
  color: var(--muted);
}

.char-count.warning { color: var(--accent); }
.char-count.danger { color: var(--danger); }

button#submit-btn {
  background: transparent;
  border: 1px solid var(--accent-dim);
  border-radius: 3px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

button#submit-btn:hover {
  background: rgba(200, 169, 110, 0.08);
  border-color: var(--accent);
}

/* ── Claude Section ── */
.claude-section {
  margin-bottom: 2.5rem;
}

.claude-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

button#synthesize-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

button#synthesize-btn:hover { color: var(--text); border-color: var(--muted); }

.query-wrap {
  display: flex;
  flex: 1;
  min-width: 200px;
  gap: 0;
}

.query-wrap input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 3px 0 0 3px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.8rem;
  outline: none;
  transition: border-color 0.2s;
}

.query-wrap input:focus { border-color: var(--accent-dim); }
.query-wrap input::placeholder { color: var(--muted); }

button#query-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0 3px 3px 0;
  color: var(--muted);
  font-size: 1rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

button#query-btn:hover { color: var(--accent); border-color: var(--accent-dim); }

.claude-output {
  margin-top: 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
  border-radius: 4px;
  padding: 1.2rem 1.4rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--text);
  white-space: pre-wrap;
  animation: fadein 0.3s ease;
}

.claude-output.loading {
  color: var(--muted);
  font-style: italic;
}

.overflow-notice {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.overflow-notice button {
  background: transparent;
  border: 1px solid var(--accent-dim);
  border-radius: 3px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
}

/* ── Feed ── */
.feed-section {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.thought-entry {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid #1a1a1a;
  animation: slidein 0.25s ease;
}

.thought-ts {
  font-size: 0.65rem;
  color: var(--muted);
  line-height: 1.5;
  padding-top: 0.1rem;
}

.thought-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text);
}

.feed-empty {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
  padding: 1rem 0;
}

/* ── Animations ── */
@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slidein {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

.shake { animation: shake 0.35s ease; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .claude-row { flex-direction: column; }
  .thought-entry { grid-template-columns: 1fr; gap: 0.25rem; }
  .thought-ts { font-size: 0.6rem; }
}