:root {
  --bg: #24312F;
  --bg-deep: #1C2725;
  --cream: #EDE6D3;
  --cream-dim: #DCD3B9;
  --ink: #24312F;
  --ink-soft: #4B5B57;
  --copper: #C97B3D;
  --copper-dark: #A8632E;
  --sage: #7FA37A;
  --brick: #B85450;
  --dim: #8CA098;

  --font-display: "Zilla Slab", Georgia, serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at top, rgba(237, 230, 211, 0.05), transparent 60%);
  color: var(--cream);
  font-family: var(--font-body);
  min-height: 100vh;
}

button, input, textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(16px, 5vw, 48px);
  border-bottom: 1px solid rgba(237, 230, 211, 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tuning-eye {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 8px 2px rgba(127, 163, 122, 0.55);
  flex-shrink: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .tuning-eye {
    animation: pulse-eye 2.6s ease-in-out infinite;
  }
}

@keyframes pulse-eye {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px 2px rgba(127, 163, 122, 0.55); }
  50% { opacity: 0.55; box-shadow: 0 0 4px 1px rgba(127, 163, 122, 0.3); }
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.session-box {
  display: flex;
  align-items: center;
  gap: 16px;
}

.handle-readout {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--copper);
}

.handle-readout::before {
  content: "@";
  color: var(--dim);
}

.btn-link {
  background: none;
  border: none;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 4px;
}

.btn-link:hover { color: var(--cream); }

/* ---------- Layout ---------- */

.container {
  max-width: 620px;
  margin: 0 auto;
  padding: clamp(24px, 6vw, 56px) clamp(16px, 5vw, 24px) 80px;
}

/* ---------- Tuner card (auth) ---------- */

.tuner-card {
  background: var(--cream);
  color: var(--ink);
  border-radius: 10px;
  padding: clamp(20px, 4vw, 32px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(36,49,47,0.08);
  max-width: 420px;
  margin: 40px auto 0;
}

.band-select {
  display: flex;
  border: 1.5px solid var(--ink);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 24px;
}

.band-btn {
  flex: 1;
  background: transparent;
  border: none;
  padding: 10px 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  cursor: pointer;
}

.band-btn + .band-btn {
  border-left: 1.5px solid var(--ink);
}

.band-btn[aria-selected="true"] {
  background: var(--ink);
  color: var(--cream);
}

.field {
  display: block;
  margin-bottom: 16px;
}

.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.field input,
.composer textarea {
  width: 100%;
  border: none;
  border-bottom: 2px solid rgba(36, 49, 47, 0.25);
  background: transparent;
  color: var(--ink);
  font-size: 0.98rem;
  padding: 8px 2px;
  transition: border-color 0.15s ease;
}

.field input:focus {
  border-bottom-color: var(--copper);
}

.hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin: 4px 0 18px;
  line-height: 1.5;
}

.error-banner {
  background: rgba(184, 84, 80, 0.12);
  border-left: 3px solid var(--brick);
  color: var(--brick);
  font-size: 0.85rem;
  padding: 8px 12px;
  margin: 0 0 16px;
  border-radius: 2px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--copper);
  color: var(--bg-deep);
  border: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 22px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover { background: var(--copper-dark); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.tuner-card .btn-primary { width: 100%; }

/* ---------- Composer ---------- */

.composer {
  background: var(--cream);
  color: var(--ink);
  border-radius: 10px;
  padding: clamp(18px, 4vw, 26px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.28);
}

.panel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.composer textarea {
  resize: vertical;
  min-height: 64px;
  font-family: var(--font-body);
  border-bottom: 2px solid rgba(36, 49, 47, 0.25);
}

.composer textarea:focus {
  border-bottom-color: var(--copper);
}

.composer-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.meter {
  display: flex;
  gap: 3px;
}

.meter-seg {
  width: 6px;
  height: 14px;
  border-radius: 1px;
  background: rgba(36, 49, 47, 0.15);
}

.meter-seg.lit { background: var(--sage); }
.meter-seg.lit.hot { background: var(--brick); }

.char-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  flex: 1;
}

/* ---------- Dial divider ---------- */

.dial-divider {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 16px;
  margin: 26px 6px;
  opacity: 0.5;
}

.dial-divider span {
  width: 1px;
  height: 8px;
  background: var(--dim);
}

.dial-divider span:nth-child(5n) {
  height: 14px;
  background: var(--copper);
}

/* ---------- Feed ---------- */

.feed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.post-card {
  background: var(--cream);
  color: var(--ink);
  border-radius: 8px;
  padding: 16px 18px;
  position: relative;
}

.post-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.post-handle {
  color: var(--copper);
  font-weight: 600;
}

.post-handle::before {
  content: "@";
  color: var(--dim);
}

.post-time {
  color: var(--dim);
}

.post-body {
  font-size: 0.96rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding-right: 24px;
}

.post-delete {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 1rem;
  cursor: pointer;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
}

.post-delete:hover {
  color: var(--brick);
  background: rgba(184, 84, 80, 0.1);
}

.empty-state {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--dim);
  text-align: center;
  padding: 40px 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
  .topbar { padding: 16px; }
  .wordmark { font-size: 1.25rem; }
  .tuner-card { margin-top: 16px; }
}