/* ── TradeLog v2 CSS Variables (dark only) ────────────────────────────────── */
:root, [data-theme="dark"] {
  /* backgrounds – layered depth */
  --bg-primary:     #000000;
  --bg-panel:       #0f0f0f;
  --card-bg:        #1c1c1e;
  --bg-surface:     #2c2c2e;
  --bg-overlay:     rgba(28,28,30,0.7);
  --gray-50:        #2c2c2e;
  --content-bg:     rgba(255,255,255,0.05);

  /* separators – borderless (near-invisible) */
  --border-light:   rgba(255,255,255,0.08);
  --border-thin:    rgba(255,255,255,0.04);
  --hover-bg:       rgba(255,255,255,0.06);

  /* text – rgba opacity hierarchy */
  --text-primary:   #ffffff;
  --text-secondary: rgba(255,255,255,0.85);
  --text-tertiary:  rgba(255,255,255,0.55);
  --text-faint:     rgba(255,255,255,0.40);
  --text-muted:     rgba(255,255,255,0.40);

  /* accent – iOS-style saturated */
  --primary:        #5e5ce6; /* Modern System Indigo — TradeLogApp.html に合わせて統一 */
  --primary-light:  rgba(94,92,230,0.15);
  --success:        #32d74b;
  --success-dim:    rgba(50,215,75,0.12);
  --danger:         #ff453a;
  --danger-dim:     rgba(255,69,58,0.12);
  --warning:        #ffd60a;
  --warning-dim:    rgba(255,214,10,0.12);

  /* effects */
  --blur-md:        blur(30px);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.2);
  --shadow-md:      0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg:      0 12px 48px rgba(0,0,0,0.5);

  /* semantic */
  --error-bg:       rgba(255,69,58,0.12);
  --error-text:     #ff453a;
  --accent-red:     #ff453a;
  --accent-yellow:  #ff9f0a;
  --accent-blue:    #0a84ff;
}

/* ── Reset + Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body::before { display: none; }
html, body {
  height: 100%; background: var(--bg-primary); color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px; overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

/* ── Element resets ───────────────────────────────────────────────────────── */
button {
  cursor: pointer; font-family: inherit;
  border: none; background: none; color: inherit;  /* ← ブラウザデフォルト枠を除去 */
  outline: none;
}
button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
a { text-decoration: none; color: inherit; }
input, textarea, select {
  font-family: inherit; color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-thin);
  border-radius: 12px;
  outline: none;
  transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  background: var(--hover-bg);
}
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }
::placeholder { color: var(--text-faint); }
select option { background: var(--card-bg); }

/* ── Utility ──────────────────────────────────────────────────────────────── */
.glass {
  background: var(--bg-overlay);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
}
.no-border   { border: none !important; }
.soft-shadow { box-shadow: var(--shadow-md); }

/* ── Global transitions ───────────────────────────────────────────────────── */
button, a[href], [role="button"], .interactive {
  transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
}
button:active, [role="button"]:active { transform: scale(0.96); opacity: 0.8; }

/* ── Pips colors ──────────────────────────────────────────────────────────── */
.pips-plus  { color: var(--success); }
.pips-minus { color: var(--danger); }

/* ── Chat widget ──────────────────────────────────────────────────────────── */
.chat-msg { animation: chatIn 0.18s ease; }
@keyframes chatIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }
.chat-input:focus { border-color: var(--primary) !important; }

/* ── Habit check ──────────────────────────────────────────────────────────── */
.habit-item { transition: background 0.12s; }
.habit-item:hover { background: var(--hover-bg); }
.habit-check { transition: all 0.15s cubic-bezier(0.34, 1.56, 0.64, 1); }
.habit-check:checked { transform: scale(1.15); }

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes pageSlideUp { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes habSlide { from { transform:translateX(-16px); opacity:0; } to { transform:none; opacity:1; } }
@keyframes chatSlide { from { transform:translateY(20px); opacity:0; } to { transform:none; opacity:1; } }
@keyframes dtFade    { from { opacity:0; }                          to { opacity:1; } }
@keyframes dtFadeIn  { from { opacity:0; transform:scale(1.02); }  to { opacity:1; transform:scale(1); } }
@keyframes slideUp   { from { transform:translateY(20px);opacity:0; } to { transform:none;opacity:1; } }

/* ── Detail panel utilities ───────────────────────────────────────────────── */
.dti:focus { border-color: var(--primary) !important; background: var(--bg-surface) !important; }
.dti::placeholder { color: var(--text-faint); }
.detail-scroll::-webkit-scrollbar { width: 4px; }
.detail-scroll::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 10px; }