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

:root {
  --bg: #0d0f14;
  --text: #e0e4ed;
  --text-dim: #7a8090;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.18);
  --status-bg: rgba(13,15,20,0.96);
  --status-border: rgba(255,255,255,0.08);
  --font-mono: ui-monospace, 'Cascadia Code', 'Fira Mono', monospace;
}

html { font-size: 14px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  min-height: 100vh;
  padding-bottom: 60px; /* room for status bar */
}

/* ─── Header ───────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.site-title {
  font-size: 1.25rem;
  letter-spacing: 0.25em;
  font-weight: 700;
}

.site-meta {
  font-size: 0.85rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* ─── Month Sections ───────────────────────────────────────────── */
.month-section {
  padding: 28px 28px 12px;
}

.month-label {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ─── Calendar Grid ────────────────────────────────────────────── */
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-header-row {
  display: contents;
}

.cal-day-header {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 4px 0 8px;
  letter-spacing: 0.06em;
}

/* ─── Day Tiles ────────────────────────────────────────────────── */
.day-tile {
  position: relative;
  min-height: 130px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  user-select: none;
}

.day-tile:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.day-tile.is-future {
  opacity: 0.3;
  pointer-events: none;
}

.day-tile.is-empty {
  border-color: transparent;
  cursor: default;
  pointer-events: none;
  min-height: 130px;
}

.day-tile.is-playing {
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 2px #fff, 0 0 20px 4px rgba(255,255,255,0.08); }
  50%       { box-shadow: 0 0 0 2px #fff, 0 0 20px 4px rgba(255,255,255,0.22); }
}

.tile-date {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
}

.tile-emoji {
  font-size: 1.6rem;
  line-height: 1;
  text-align: center;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-temp {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}

.tile-wind {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
}

.tile-precip {
  font-size: 0.7rem;
  color: #6aaff0;
  text-align: center;
}

/* ─── Skeleton Loading ─────────────────────────────────────────── */
.day-tile.is-skeleton {
  pointer-events: none;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border-color: transparent;
}

.day-tile.is-skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255,255,255,0.06) 50%,
    transparent 100%
  );
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ─── Status Bar ───────────────────────────────────────────────── */
.status-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: var(--status-bg);
  border-top: 1px solid var(--status-border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  font-size: 0.8rem;
  color: var(--text-dim);
  transform: translateY(100%);
  transition: transform 0.25s ease;
  backdrop-filter: blur(8px);
}

.status-bar:not([hidden]) {
  transform: translateY(0);
}

/* Animated waveform bars */
.waveform {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 16px;
}

.waveform span {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: var(--text);
  animation: wave 1.2s ease-in-out infinite;
}

.waveform span:nth-child(1) { animation-delay: 0.0s; height: 6px; }
.waveform span:nth-child(2) { animation-delay: 0.2s; height: 10px; }
.waveform span:nth-child(3) { animation-delay: 0.4s; height: 14px; }
.waveform span:nth-child(4) { animation-delay: 0.2s; height: 10px; }
.waveform span:nth-child(5) { animation-delay: 0.0s; height: 6px; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.4); }
  50%       { transform: scaleY(1.0); }
}

/* ─── Error / Hint States ──────────────────────────────────────── */
.error-message {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60vh;
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

.click-hint {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.click-hint.hidden { opacity: 0; }

/* ─── Responsive Layout ────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-header { padding: 14px 16px; }
  .month-section { padding: 20px 16px 8px; }
  .day-tile { min-height: 110px; padding: 6px; }
  .tile-emoji { font-size: 1.35rem; }
  .tile-date { font-size: 0.9rem; }
}

@media (max-width: 680px) {
  html { font-size: 13px; }
  .site-header { padding: 12px 12px; }
  .site-title { font-size: 1rem; letter-spacing: 0.15em; }
  .month-section { padding: 16px 8px 6px; }
  .cal-grid { gap: 2px; }
  .day-tile { min-height: 90px; padding: 4px; gap: 2px; }
  .tile-emoji { font-size: 1.1rem; }
  .tile-date { font-size: 0.8rem; }
  .tile-wind, .tile-precip { display: none; }
  .cal-day-header { font-size: 0.65rem; padding-bottom: 4px; }
  .click-hint { font-size: 0.72rem; padding: 6px 14px; }
}

/* ─── Header additions ─────────────────────────────────────────── */
.site-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.tune-link, .tune-back {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-decoration: none;
  text-transform: uppercase;
  opacity: 0.65;
  transition: opacity 0.15s ease;
}

.tune-link:hover, .tune-back:hover { opacity: 1; }

/* ─── Tuning Page Layout ───────────────────────────────────────── */
.tuning-layout {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.tuning-top {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.tuning-tile-wrap {
  flex-shrink: 0;
  width: 160px;
}

.tuning-tile-wrap .day-tile {
  transform: none !important;
  pointer-events: none;
  min-height: 160px;
}

/* ─── Weather controls ─────────────────────────────────────────── */
.tuning-weather {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tuning-field {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tuning-label {
  width: 92px;
  font-size: 0.78rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.tuning-select {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 4px 8px;
}

.tuning-select:focus { outline: none; border-color: var(--border-hover); }

.tuning-range {
  flex: 1;
  accent-color: var(--text-dim);
}

.tuning-unit {
  font-size: 0.75rem;
  color: var(--text-dim);
  width: 58px;
  text-align: right;
}

/* ─── Audio section ────────────────────────────────────────────── */
.tuning-audio {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tuning-section-label {
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

/* ─── Parameter rows ───────────────────────────────────────────── */
.param-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 8px;
  border-radius: 4px;
  transition: background 0.15s ease;
}

.param-row.is-overridden {
  background: rgba(106,175,240,0.07);
}

.param-label {
  width: 140px;
  font-size: 0.77rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.param-row.is-overridden .param-label { color: #6aaff0; }

.param-slider {
  flex: 1;
  accent-color: var(--text-dim);
}

.param-row.is-overridden .param-slider { accent-color: #6aaff0; }

.param-value {
  font-size: 0.77rem;
  width: 64px;
  text-align: right;
  color: var(--text);
  flex-shrink: 0;
}

.param-reset {
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 1px 6px;
  cursor: pointer;
  line-height: 1.4;
  transition: border-color 0.12s ease, color 0.12s ease;
}

.param-reset:hover { border-color: var(--border-hover); color: var(--text); }

/* ─── Toggle buttons ───────────────────────────────────────────── */
.param-toggle {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 12px;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.param-toggle.is-on {
  background: rgba(106,175,240,0.16);
  border-color: #6aaff0;
  color: #6aaff0;
}

/* ─── Action row ───────────────────────────────────────────────── */
.tuning-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tuning-btn {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  padding: 7px 20px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.tuning-btn:hover { background: rgba(255,255,255,0.10); border-color: var(--border-hover); }
.tuning-btn:active { background: rgba(255,255,255,0.14); }

.tuning-btn-copy {
  background: rgba(106,175,240,0.09);
  border-color: rgba(106,175,240,0.28);
}

.tuning-btn-copy:hover {
  background: rgba(106,175,240,0.17);
  border-color: rgba(106,175,240,0.48);
}

.tuning-copy-feedback {
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tuning-copy-feedback.visible { opacity: 1; }