/* =========================================================
   RayNeo Air コントローラー — Page Styles
   ========================================================= */

:root {
  --bg:           #0f172a;
  --surface:      rgba(15, 23, 42, 0.85);
  --card-bg:      #1e293b;
  --card-border:  rgba(148, 163, 184, 0.18);
  --accent:       #38bdf8;
  --accent-hover: #0ea5e9;
  --text:         #e2e8f0;
  --text-dim:     #94a3b8;
  --success:      #4ade80;
  --warn:         #fbbf24;
  --danger:       #f87171;
  --active-bg:    rgba(74, 222, 128, 0.12);
  --active-border:#4ade80;
}

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

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  gap: 1rem;
  flex-shrink: 0;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.header__logo p { margin: 0; white-space: nowrap; }

.site-title-link { color: inherit; text-decoration: none; }
.site-title-link:hover { opacity: 0.8; }

.home-link {
  display: flex;
  align-items: center;
  color: var(--text-dim);
  padding: 4px;
  border-radius: 6px;
  transition: color 0.2s;
}
.home-link:hover { color: var(--accent); }

.header__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ---- Connection badge ---- */
#status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-dim);
  border: 1px solid rgba(148, 163, 184, 0.2);
  transition: all 0.3s;
}
#status-badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
#status-badge.connected { background: rgba(74, 222, 128, 0.1); color: var(--success); border-color: var(--success); }
#status-badge.connected::before { background: var(--success); }
#status-badge.error { background: rgba(248, 113, 113, 0.1); color: var(--danger); border-color: var(--danger); }
#status-badge.error::before { background: var(--danger); }

/* ---- Buttons ---- */
button {
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 18px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
button:hover:not(:disabled) { background: rgba(148, 163, 184, 0.16); border-color: var(--accent); }
button:active:not(:disabled) { opacity: 0.7; }
button:disabled { opacity: 0.35; cursor: not-allowed; }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f172a;
  font-weight: 700;
}
button.primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }

button.active {
  background: var(--active-bg);
  border-color: var(--active-border);
  color: var(--success);
  font-weight: 600;
}

/* ---- Main layout ---- */
main {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
}

/* ---- Welcome screen ---- */
#welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
  gap: 1.5rem;
}

.welcome__icon {
  font-size: 4rem;
  line-height: 1;
}

.welcome__title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.welcome__desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 480px;
  line-height: 1.7;
}

.welcome__note {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 10px;
  padding: 12px 20px;
  color: var(--warn);
  font-size: 0.85rem;
  max-width: 480px;
}

.welcome__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.welcome__affiliate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.affiliate-link {
  display: inline-block;
  color: rgba(251, 191, 36, 0.55);
  font-size: 0.82rem;
  text-decoration: none;
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: 8px;
  padding: 7px 18px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.affiliate-link:hover {
  color: rgba(251, 191, 36, 0.9);
  border-color: rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.06);
}

.amazon-associate {
  font-size: 0.68rem;
  color: rgba(148, 163, 184, 0.4);
  margin: 0;
  text-align: center;
  line-height: 1.3;
}

#connect-btn-welcome {
  font-size: 1rem;
  padding: 12px 32px;
  border-radius: 10px;
}

/* ---- Controls grid ---- */
#controls {
  display: none;
}

#controls.visible {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* ---- Card ---- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 20px 22px;
}

.card h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.card h2 .emoji { margin-right: 6px; font-style: normal; }

/* ---- Form rows ---- */
.row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.row:last-child { margin-bottom: 0; }

.row label {
  width: 100px;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-dim);
}

input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

.val {
  width: 32px;
  text-align: right;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

select {
  flex: 1;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 7px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
}

.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ---- Span cards ---- */
.card.span2 { grid-column: span 2; }

@media (max-width: 700px) {
  .card.span2 { grid-column: span 1; }
}

/* ---- Debug section ---- */
#debug-section {
  display: none;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px dashed rgba(148, 163, 184, 0.2);
  grid-column: 1 / -1;
}

#debug-section.visible { display: contents; }

.debug-badge {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--warn);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 4px;
}

.card.debug-card {
  border-color: rgba(251, 191, 36, 0.3);
}

.debug-input {
  flex: 1;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 7px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  font-family: monospace;
}

/* ---- Log ---- */
#log-section {
  display: none;
  margin-top: 16px;
}
#log-section.visible { display: block; }

#log {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
  max-height: 220px;
  overflow-y: auto;
  font-family: 'Cascadia Code', 'Consolas', monospace;
  font-size: 11.5px;
}

.log-entry { color: var(--text-dim); margin-bottom: 2px; }
.log-entry.ok   { color: var(--success); }
.log-entry.err  { color: var(--danger); }
.log-entry.warn { color: var(--warn); }

/* ---- Responsive ---- */
@media (max-width: 600px) {
  main { padding: 1.25rem 1rem; }
  #controls.visible { grid-template-columns: 1fr; }
}