/* ─────────────────────────────────────────────────
   いよわガチャ  ─  Light Pink Theme
   明るく優しい薄ピンク × 高視認性
───────────────────────────────────────────────── */

:root {
    --bg:          #fff5f8;
    --bg2:         #fde8f0;
    --card-bg:     #ffffff;
    --text-main:   #2a1520;
    --text-muted:  #9b6b7e;
    --text-light:  #c4909f;

    --primary:     #e879a0;   /* ビビッドピンク */
    --primary-lt:  #f9aec8;   /* 淡ピンク */
    --primary-xlt: #fde0eb;   /* 超淡ピンク */
    --secondary:   #b87ab8;   /* モーヴ */
    --accent:      #7c64c8;   /* パープル */

    --border:      rgba(232, 121, 160, 0.22);
    --border-solid:#f4c0d2;

    --success:     #3daa76;
    --danger:      #d94f7a;

    /* カプセル用 */
    --cap-top:     #ffffff;
    --cap-bottom:  #f9aec8;
    --cap-shine:   rgba(255,255,255,0.85);
}

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

body {
    font-family: 'M PLUS Rounded 1c', sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

/* ── 背景の淡いグラデーション光 ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 80% 10%, rgba(232,121,160,0.12) 0%, transparent 45%),
        radial-gradient(circle at 15% 90%, rgba(184,122,184,0.10) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(249,174,200,0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* ── コンテナ ── */
.app-container {
    width: 100%;
    max-width: 600px;
    padding: 2.5rem 1.25rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ── ヘッダー ── */
header {
    text-align: center;
    animation: fadeInDown 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

h1 {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(130deg, var(--primary) 20%, var(--secondary) 70%, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
    filter: drop-shadow(0 2px 12px rgba(232,121,160,0.25));
}

header p {
    color: var(--text-muted);
    font-size: 0.93rem;
    letter-spacing: 0.04em;
}

/* ── 画面切り替え ── */
.screen {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.screen.active { display: flex; animation: fadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1); }

/* ── ガチャ待機画面 ── */
#gacha-screen { margin-top: 2rem; }

.gacha-machine {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border-radius: 32px;
    border: 1.5px solid var(--border-solid);
    box-shadow:
        0 8px 32px rgba(232,121,160,0.12),
        0 2px 8px rgba(0,0,0,0.04);
    width: 100%;
}

.gacha-machine::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--primary), var(--secondary), var(--accent), transparent);
    border-radius: 32px 32px 0 0;
}

/* ── スタンバイ用カプセル（小さめ・静止） ── */
.gacha-idle-capsule {
    width: 80px;
    height: 120px;
    position: relative;
    animation: idleFloat 3.5s ease-in-out infinite;
    filter: drop-shadow(0 8px 20px rgba(232,121,160,0.3));
}

@keyframes idleFloat {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50%       { transform: translateY(-10px) rotate(3deg); }
}

.idle-cap-top {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(160deg, #fff 30%, #fde8f0);
    border-radius: 40px 40px 0 0;
    border: 2px solid var(--border-solid);
    border-bottom: none;
}
.idle-cap-top::after {
    content: '';
    position: absolute;
    top: 8px; left: 10px;
    width: 15px; height: 30px;
    background: rgba(255,255,255,0.7);
    border-radius: 10px;
    transform: rotate(-15deg);
}
.idle-cap-bottom {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 51%;
    background: linear-gradient(180deg, var(--primary-lt), var(--primary));
    border-radius: 0 0 40px 40px;
    border: 2px solid var(--primary-lt);
    border-top: none;
}
.idle-cap-line {
    position: absolute;
    top: 50%; left: -2px; right: -2px;
    height: 4px;
    background: var(--border-solid);
    transform: translateY(-50%);
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border: none;
    padding: 1.1rem 3rem;
    font-size: 1.3rem;
    font-weight: 900;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    letter-spacing: 0.04em;
    box-shadow:
        0 6px 20px rgba(232,121,160,0.45),
        0 2px 6px rgba(0,0,0,0.08),
        inset 0 1px 0 rgba(255,255,255,0.3);
    transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.primary-btn:hover {
    transform: translateY(-4px) scale(1.04);
    box-shadow:
        0 12px 32px rgba(232,121,160,0.5),
        0 4px 10px rgba(0,0,0,0.1),
        inset 0 1px 0 rgba(255,255,255,0.35);
}
.primary-btn:active { transform: translateY(1px) scale(0.97); }

/* ─────────────────────────────────────
   カプセルアニメーション画面
───────────────────────────────────── */
#animation-screen {
    margin-top: 2rem;
    gap: 2.5rem;
}

.capsule-wrapper {
    position: relative;
    width: 140px;
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* カプセル本体 */
.capsule {
    position: relative;
    width: 110px;
    height: 170px;
    filter: drop-shadow(0 12px 28px rgba(232,121,160,0.4));
}

.capsule-top {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 50%;
    background: linear-gradient(160deg, #ffffff 25%, #fde8f0 80%);
    border-radius: 55px 55px 0 0;
    border: 2.5px solid var(--border-solid);
    border-bottom: none;
    transform-origin: center bottom;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ツヤのハイライト */
.capsule-top::after {
    content: '';
    position: absolute;
    top: 10px; left: 14px;
    width: 18px; height: 44px;
    background: rgba(255,255,255,0.75);
    border-radius: 12px;
    transform: rotate(-18deg);
}

.capsule-line {
    position: absolute;
    top: 50%; left: -3px; right: -3px;
    height: 5px;
    background: var(--border-solid);
    transform: translateY(-50%);
    z-index: 2;
}

.capsule-bottom {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 51%;
    background: linear-gradient(180deg, var(--primary-lt) 0%, var(--primary) 100%);
    border-radius: 0 0 55px 55px;
    border: 2.5px solid var(--primary-lt);
    border-top: none;
    transform-origin: center top;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* パーティクル */
#capsule-particles {
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    transform: translate(-50%, -50%);
    animation: sparkleFly 0.7s cubic-bezier(0.2, 0, 0.8, 1) forwards;
}

@keyframes sparkleFly {
    0%   { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(0.1); opacity: 0; }
}

/* ── シェイクアニメーション ── */
.capsule.shaking {
    animation: capsuleShake 0.15s ease-in-out infinite;
}

@keyframes capsuleShake {
    0%, 100% { transform: rotate(0deg)   translateY(0); }
    25%       { transform: rotate(-9deg) translateY(-3px); }
    75%       { transform: rotate(9deg)  translateY(-3px); }
}

/* ── 開くアニメーション ── */
.capsule.opening .capsule-top {
    transform: translateY(-72px) rotate(-28deg);
}
.capsule.opening .capsule-bottom {
    transform: translateY(28px);
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.16em;
    animation: textPulse 1.2s ease-in-out infinite;
}

@keyframes textPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.45; }
}

/* ── 結果画面 ── */
.result-title {
    margin-bottom: 1.25rem;
    font-size: 1.4rem;
    text-align: center;
    color: var(--primary);
    letter-spacing: 0.08em;
    font-weight: 900;
}

.card {
    background: var(--card-bg);
    border: 1.5px solid var(--border-solid);
    border-radius: 28px;
    padding: 2rem;
    width: 100%;
    box-shadow:
        0 8px 40px rgba(232,121,160,0.13),
        0 2px 8px rgba(0,0,0,0.04);
    animation: cardReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(to right, transparent, var(--primary), var(--secondary), var(--accent), transparent);
}

@keyframes cardReveal {
    from { opacity: 0; transform: translateY(28px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.card-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.85rem;
}

.vocaloid-badge {
    background: var(--primary-xlt);
    border: 1px solid var(--border-solid);
    color: var(--primary);
    padding: 0.25rem 0.85rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.song-title {
    font-size: 1.9rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.65rem;
}

.stat {
    background: var(--bg);
    border: 1.5px solid var(--border-solid);
    padding: 0.8rem 0.4rem;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    transition: border-color 0.2s, transform 0.2s;
}
.stat:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.stat-label {
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 900;
    line-height: 1;
}

#st-hp  { color: var(--success); }
#st-atk { color: var(--danger); }
#st-def { color: var(--accent); }
#st-spd { color: var(--secondary); }

/* ── 動画埋め込み（カード内） ── */
.video-embed-container {
    width: calc(100% + 4rem);
    margin-left: -2rem;
    margin-right: -2rem;
    margin-top: 1.5rem;
    margin-bottom: -2rem;
    border-top: 1.5px solid var(--border-solid);
    overflow: hidden;
    border-radius: 0 0 28px 28px;
    animation: fadeIn 0.5s ease-out;
    background: var(--bg);
}

.video-embed-container iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: none;
}

.video-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
    padding: 1.75rem 1.5rem;
    text-align: center;
}
.video-fallback p  { color: var(--text-muted); font-size: 0.87rem; }
.video-fallback a {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 0.65rem 1.8rem;
    border-radius: 50px;
    font-weight: 900;
    font-size: 0.93rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(232,121,160,0.35);
    transition: all 0.2s;
}
.video-fallback a:hover { filter: brightness(1.1); transform: translateY(-2px); }
.video-fallback small { color: var(--text-light); font-size: 0.75rem; }

/* ── アクションボタン ── */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin-top: 1.5rem;
    width: 100%;
}

.action-btn {
    padding: 0.9rem 1rem;
    border-radius: 14px;
    border: 1.5px solid transparent;
    font-weight: 700;
    font-size: 0.93rem;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.45rem;
    font-family: inherit;
    letter-spacing: 0.02em;
}
.action-btn:hover { transform: translateY(-3px); filter: brightness(1.07); }
.action-btn:active { transform: translateY(1px) scale(0.97); }

/* X ポスト */
.x-btn {
    background: #fff;
    color: var(--text-main);
    border-color: var(--border-solid);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.x-btn:hover { border-color: var(--primary); }

/* 曲を聴く */
.yt-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(232,121,160,0.35);
}

/* バトル */
.battle-btn {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--danger) 0%, var(--primary) 50%, var(--secondary) 100%);
    color: #fff;
    font-size: 1.05rem;
    font-weight: 900;
    padding: 1rem;
    border-color: transparent;
    box-shadow: 0 5px 18px rgba(217,79,122,0.3);
}

/* もう一度 */
.retry-btn {
    grid-column: span 2;
    background: var(--primary-xlt);
    border-color: var(--border-solid);
    color: var(--primary);
    font-weight: 800;
}
.retry-btn:hover {
    background: #fff;
    border-color: var(--primary);
}

/* ── バトル画面 ── */
#battle-screen { width: 100%; }
#battle-screen h2 {
    color: var(--primary);
    letter-spacing: 0.08em;
    font-weight: 900;
}

.battle-arena {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 1.5rem;
    border: 1.5px solid var(--border-solid);
    margin-top: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(232,121,160,0.1);
}
.battle-arena::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--primary), var(--secondary), transparent);
}

.fighter { width: 45%; display: flex; flex-direction: column; gap: 0.5rem; position: relative; }

.fighter-tag {
    font-size: 0.66rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    color: #fff;
    padding: 0.2rem 0.65rem;
    border-radius: 10px;
    align-self: flex-start;
    letter-spacing: 0.06em;
}
.enemy-tag {
    background: linear-gradient(135deg, var(--danger), var(--primary));
    align-self: flex-end;
}

.fighter-name {
    font-size: 1rem;
    font-weight: 900;
    word-break: break-word;
    line-height: 1.2;
    height: 2.4rem;
    overflow: hidden;
    color: var(--text-main);
}
.enemy-fighter .fighter-name { text-align: right; }

.health-bar-container {
    width: 100%;
    height: 10px;
    background: var(--bg2);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-solid);
}
.health-bar {
    height: 100%;
    background: linear-gradient(to right, var(--success), #6dcfa8);
    width: 100%;
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s;
    border-radius: 6px;
}
.fighter-hp { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.enemy-fighter .fighter-hp { text-align: right; }
.fighter-stats { font-size: 0.7rem; color: var(--text-muted); display: flex; gap: 0.4rem; flex-wrap: wrap; }
.enemy-fighter .fighter-stats { justify-content: flex-end; }

.vs-badge {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-weight: 900;
    font-style: italic;
    font-size: 1rem;
    border-radius: 50%;
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(232,121,160,0.4);
    z-index: 10;
}

.battle-log {
    margin-top: 1.5rem;
    background: var(--bg);
    border: 1.5px solid var(--border-solid);
    border-radius: 18px;
    height: 240px;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: 0.87rem;
}
.battle-log::-webkit-scrollbar { width: 4px; }
.battle-log::-webkit-scrollbar-track { background: transparent; }
.battle-log::-webkit-scrollbar-thumb { background: var(--primary-lt); border-radius: 2px; }

.log-entry {
    padding: 0.6rem 0.85rem;
    background: var(--card-bg);
    border-radius: 10px;
    animation: fadeIn 0.3s;
    border-left: 3px solid transparent;
    color: var(--text-main);
}
.log-entry.player-action { border-left-color: var(--accent); }
.log-entry.enemy-action  { border-left-color: var(--danger); }
.log-entry.system { text-align: center; color: var(--primary); font-weight: 800; background: transparent; }
.log-entry.damage { color: var(--danger); font-weight: 700; }

.battle-controls {
    margin-top: 1.25rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}
.battle-controls .action-btn {
    background: var(--card-bg);
    border-color: var(--border-solid);
    color: var(--primary);
    font-weight: 800;
}
.battle-controls .action-btn:hover {
    background: var(--primary-xlt);
    border-color: var(--primary);
}

/* ── アニメーション ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.shake {
    animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}
@keyframes shake {
    10%, 90% { transform: translate3d(-2px, 0, 0); }
    20%, 80% { transform: translate3d(3px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-5px, 0, 0); }
    40%, 60% { transform: translate3d(5px, 0, 0); }
}

/* ── レスポンシブ ── */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .song-title { font-size: 1.5rem; }
    .stats-container { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
    .stat-value { font-size: 1.2rem; }
    .action-buttons { grid-template-columns: 1fr; }
    .battle-btn, .retry-btn { grid-column: span 1; }
    .primary-btn { font-size: 1.15rem; padding: 1rem 2.2rem; }
}