/* =====================================================================
   FX学習ゲーム — デザイントークン & 共通コンポーネント
   すべて .rx スコープ配下（design-canvas の dc- クラスと衝突回避）
   ===================================================================== */

:root {
  /* --- Brand / surfaces --- */
  --navy:        #0c1933;
  --navy-800:    #112248;
  --navy-700:    #16284a;
  --navy-grad:   linear-gradient(135deg, #0c1933 0%, #14264f 100%);

  --bg:          #f4f6f9;
  --card:        #ffffff;
  --line:        #e2e8f0;
  --line-soft:   #eef1f5;

  /* --- Text --- */
  --ink:         #1c2737;   /* primary text */
  --ink-2:       #38465a;   /* secondary */
  --muted:       #6b7785;   /* tertiary / labels */
  --on-navy:     #ffffff;
  --on-navy-dim: #aab8d4;

  /* --- Accent --- */
  --blue:        #2563eb;
  --blue-600:    #1d4ed8;
  --blue-tint:   #eaf1fe;
  --blue-ring:   rgba(37,99,235,.32);

  /* --- Semantic up/down --- */
  --up:          #1a8754;
  --up-600:      #15724657;
  --up-tint:     #e6f4ec;
  --down:        #cc3847;
  --down-tint:   #fcebed;

  /* --- Gamification: medal / emblem golds (sparingly) --- */
  --gold:        #b08433;
  --gold-2:      #d8b45a;
  --gold-tint:   #f7efdc;
  --cyan:        #2bb6c9;   /* logo cyan, decorative only */

  /* --- Radii --- */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* --- Spacing rhythm (3段: section / element / detail) --- */
  --s-section: 28px;
  --s-element: 16px;
  --s-detail:  8px;

  /* --- Shadows (淡く上品に) --- */
  --sh-1: 0 1px 2px rgba(16,33,66,.06), 0 1px 3px rgba(16,33,66,.05);
  --sh-2: 0 2px 8px rgba(16,33,66,.07), 0 8px 24px rgba(16,33,66,.05);
  --sh-3: 0 8px 28px rgba(16,33,66,.12), 0 2px 6px rgba(16,33,66,.06);
  --sh-navy: 0 10px 30px rgba(12,25,51,.28);

  --ff: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-num: "Roboto Mono", "Noto Sans JP", monospace;
}

/* ---------- scope reset ---------- */
.rx, .rx * { box-sizing: border-box; }
.rx {
  font-family: var(--ff);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: .005em;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.rx p { margin: 0; }
.rx h1,.rx h2,.rx h3,.rx h4 { margin: 0; font-weight: 700; letter-spacing: -.01em; }
.rx button { font-family: inherit; cursor: pointer; }
.rx .num, .rx .tnum { font-variant-numeric: tabular-nums; }
.rx .mono { font-family: var(--ff-num); font-variant-numeric: tabular-nums; }

/* ---------- focus ring (a11y) ---------- */
.rx :focus-visible { outline: none; box-shadow: 0 0 0 3px var(--blue-ring); border-radius: 6px; }
.rx .focus-demo { box-shadow: 0 0 0 3px var(--blue-ring); }

/* =====================================================================
   App chrome
   ===================================================================== */
.rx-navbar {
  background: var(--navy-grad);
  display: flex; align-items: center; gap: 12px;
  padding: 0 16px; height: 56px;
  color: var(--on-navy);
}
.rx-navbar img.logo { height: 26px; display: block; }
.rx-navbar .spacer { flex: 1; }
.rx-avatar {
  width: 32px; height: 32px; border-radius: var(--r-pill);
  background: #2a3a5e; color: #cdd8ef;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  border: 1px solid rgba(255,255,255,.14);
}

/* bottom tab bar (mobile) */
.rx-tabbar {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 64px; background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  display: flex; align-items: stretch;
}
.rx-tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; color: var(--muted); font-size: 10.5px; font-weight: 500; text-decoration: none;
  min-height: 44px;
}
.rx-tabbar a.active { color: var(--blue); }
.rx-tabbar a svg { width: 22px; height: 22px; }

/* =====================================================================
   Buttons
   ===================================================================== */
.rx-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; line-height: 1;
  border: 1px solid transparent; border-radius: var(--r-md);
  padding: 13px 20px; min-height: 44px; white-space: nowrap;
  transition: background .15s, box-shadow .15s, transform .05s, border-color .15s;
  text-decoration: none;
}
.rx-btn:active { transform: translateY(1px); }
.rx-btn svg { width: 18px; height: 18px; }

.rx-btn--primary { background: var(--blue); color: #fff; box-shadow: 0 2px 6px rgba(37,99,235,.28); }
.rx-btn--primary:hover { background: var(--blue-600); }
.rx-btn--navy { background: var(--navy); color: #fff; }
.rx-btn--navy:hover { background: var(--navy-700); }
.rx-btn--ghost { background: #fff; color: var(--ink-2); border-color: var(--line); }
.rx-btn--ghost:hover { background: #f7f9fc; border-color: #d3dbe6; }
.rx-btn--quiet { background: transparent; color: var(--blue); padding-left: 8px; padding-right: 8px; }
.rx-btn--quiet:hover { background: var(--blue-tint); }
.rx-btn--buy { background: var(--up); color: #fff; box-shadow: 0 2px 8px rgba(26,135,84,.3); }
.rx-btn--buy:hover { filter: brightness(1.05); }
.rx-btn--sell { background: var(--down); color: #fff; box-shadow: 0 2px 8px rgba(204,56,71,.3); }
.rx-btn--sell:hover { filter: brightness(1.05); }
.rx-btn--lg { font-size: 16px; padding: 16px 24px; min-height: 52px; border-radius: var(--r-md); }
.rx-btn--sm { font-size: 13px; padding: 9px 14px; min-height: 36px; border-radius: var(--r-sm); }
.rx-btn--block { display: flex; width: 100%; }
/* The hidden attribute must win over .rx-btn--block's display:flex (UA
   [hidden]{display:none} has lower specificity than a class rule). */
.rx-btn[hidden] { display: none !important; }
.rx-btn[disabled], .rx-btn--disabled {
  background: #eef1f5 !important; color: #aab4c0 !important; box-shadow: none !important;
  border-color: transparent !important; cursor: not-allowed; pointer-events: none;
}
.rx-btn--google {
  background: #fff; color: #1f2530; border-color: #dadce0; font-weight: 700;
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.rx-btn--google:hover { background: #f8f9fb; }

/* =====================================================================
   Cards
   ===================================================================== */
.rx-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); box-shadow: var(--sh-1);
}
.rx-card--pad { padding: 18px; }
.rx-card--nav { background: var(--navy-grad); color: var(--on-navy); border: none; }

/* chips */
.rx-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; line-height: 1;
  padding: 6px 11px; border-radius: var(--r-pill);
  background: #eef2f7; color: var(--ink-2);
}
.rx-chip svg { width: 13px; height: 13px; }
.rx-chip--blue { background: var(--blue-tint); color: var(--blue-600); }
.rx-chip--up   { background: var(--up-tint); color: var(--up); }
.rx-chip--down { background: var(--down-tint); color: var(--down); }
.rx-chip--gold { background: var(--gold-tint); color: var(--gold); }
.rx-chip--lock { background: #eef1f5; color: var(--muted); }
.rx-chip--navy { background: rgba(255,255,255,.12); color: #dfe7f6; }
.rx-chip--outline { background: transparent; border: 1px solid var(--line); color: var(--muted); }

/* segmented control */
.rx-seg {
  display: inline-flex; background: #eef1f5; border-radius: var(--r-sm); padding: 3px; gap: 2px;
}
.rx-seg button {
  border: none; background: transparent; color: var(--muted);
  font-size: 13px; font-weight: 700; padding: 8px 14px; border-radius: 6px; min-height: 36px;
  transition: background .15s, color .15s;
}
.rx-seg button.on { background: #fff; color: var(--ink); box-shadow: var(--sh-1); }

/* progress */
.rx-prog { height: 8px; border-radius: var(--r-pill); background: #e8edf3; overflow: hidden; }
.rx-prog > i { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.rx-prog--gold > i { background: linear-gradient(90deg, var(--gold) , var(--gold-2)); }
.rx-prog--up > i { background: var(--up); }

/* toast */
.rx-toast {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--navy); color: #fff; border-radius: var(--r-md);
  padding: 12px 16px; box-shadow: var(--sh-navy); font-size: 13.5px; font-weight: 500;
}
.rx-toast svg { width: 18px; height: 18px; flex: none; }
.rx-toast--up { box-shadow: 0 10px 30px rgba(26,135,84,.28); }

/* divider label */
.rx-or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.rx-or::before, .rx-or::after { content: ""; height: 1px; background: var(--line); flex: 1; }

/* generic list row */
.rx-row { display: flex; align-items: center; gap: 12px; }
.rx-muted { color: var(--muted); }
.rx-up { color: var(--up); }
.rx-down { color: var(--down); }

/* stat label */
.rx-label { font-size: 11px; font-weight: 700; letter-spacing: .04em; color: var(--muted); text-transform: uppercase; }

/* lock overlay tag */
.rx-lockpill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 700; color: var(--muted);
  background: rgba(255,255,255,.86); border: 1px solid var(--line);
  padding: 5px 10px; border-radius: var(--r-pill);
}
.rx-lockpill svg { width: 12px; height: 12px; }

/* scrollbar hide inside artboards is handled by dc-card */