/* ============================================================
   FrameArmies : 土台のスタイル
   配色は「石造りの作戦室」を想定。濃紺〜炭色の下地に金の縁取り。
   ============================================================ */

:root {
  --ink: #e8e2d2;
  --ink-dim: #a9a293;
  --ink-faint: #6f6a5e;

  --bg-0: #0b0e14;
  --bg-1: #131824;
  --bg-2: #1b2130;
  --bg-3: #242b3c;

  --gold: #e6c76a;
  --gold-dim: #8a743a;
  --gold-soft: rgba(230, 199, 106, 0.16);

  --green: #6ddc9a;
  --red: #e0604f;
  --blue: #7fd4ff;
  --violet: #c9a3ff;
  --amber: #ffa848;

  --radius: 10px;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.55);
  --font: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", sans-serif;
  --font-en: "Cinzel", "Trajan Pro", "Georgia", serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(1200px 700px at 50% -10%, #1e2536 0%, transparent 60%),
    linear-gradient(160deg, #0b0e14 0%, #0f1420 55%, #090c12 100%);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  overflow: hidden;
}

/* かすかな石目のテクスチャ（画像を使わず擬似的に） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.014) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.05) 0 3px, transparent 3px 6px);
}

#app {
  position: relative;
  height: 100%;
  overflow: hidden;
}

/* ---------------------------- 画面切り替え ---------------------------- */

.screen {
  position: absolute;
  inset: 0;
  display: none;
  overflow: auto;
  padding: 24px;
  animation: screen-in 0.28s ease both;
}

.screen.is-active {
  display: flex;
}

@keyframes screen-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------------------------- 見出し ---------------------------- */

.screen-heading {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--gold);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.screen-heading__sub {
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  margin-left: 10px;
}

.col-title {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  border-bottom: 1px solid rgba(230, 199, 106, 0.25);
  padding-bottom: 6px;
}

/* ---------------------------- ボタン ---------------------------- */

.btn {
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-3), var(--bg-2));
  border: 1px solid rgba(230, 199, 106, 0.28);
  border-radius: var(--radius);
  padding: 9px 16px;
  cursor: pointer;
  transition: transform 0.1s ease, border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(230, 199, 106, 0.18), 0 6px 18px rgba(0, 0, 0, 0.45);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.btn--primary {
  background: linear-gradient(180deg, #6b5620, #4a3a12);
  border-color: var(--gold);
  color: #fff6dd;
  font-weight: 600;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
}

.btn--quiet {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--ink-faint);
  font-size: 12px;
  padding: 6px 10px;
}

.btn--danger {
  border-color: rgba(224, 96, 79, 0.5);
  color: #ffc9c0;
}

.btn--danger:hover:not(:disabled) {
  border-color: var(--red);
}

.btn--toggle.is-on {
  background: linear-gradient(180deg, #6d2a20, #4a1a12);
  border-color: var(--red);
  color: #ffdad3;
}

/* ---------------------------- トースト ---------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%) translateY(12px);
  background: rgba(20, 12, 10, 0.94);
  border: 1px solid var(--red);
  color: #ffd9d2;
  padding: 11px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 14px;
  z-index: 90;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
  max-width: 80vw;
}

.toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.is-good {
  border-color: var(--green);
  color: #d4ffe6;
  background: rgba(10, 22, 16, 0.94);
}

/* ---------------------------- スクロールバー ---------------------------- */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
  background: #39415a;
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
  background: #4c5678;
  background-clip: padding-box;
}