/* ==========================================================================
   🦑 BUKICHI HIGH! (ブキチハイ！) - CSS STYLING
   ========================================================================== */

/* 1. Theme Configuration (Custom Properties) */
:root {
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* System Fonts */
    --font-primary: 'Outfit', 'Noto Sans JP', sans-serif;
}

/* 🌙 Dark Theme Variables */
[data-theme="dark"] {
    --bg-app: #090a0f;
    --bg-gradient: radial-gradient(circle at top left, #0e111a, #07080c);
    --bg-card: rgba(20, 22, 37, 0.65);
    --border-card: rgba(255, 255, 255, 0.08);
    --border-input: rgba(255, 255, 255, 0.15);
    --bg-input: rgba(10, 11, 20, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    
    /* Neon Accents */
    --color-accent-pink: #ff1b76;
    --color-accent-green: #10b981;
    --color-accent-yellow: #d9f99d;
    --color-primary: #ff1b76;
    --color-secondary: rgba(255, 255, 255, 0.08);
    --color-secondary-hover: rgba(255, 255, 255, 0.15);
    --color-success: #10b981;
    --color-info: #06b6d4;
    
    --header-bg: rgba(9, 10, 15, 0.8);
    --header-border: rgba(255, 255, 255, 0.05);
}

/* ☀️ Light Theme Variables */
[data-theme="light"] {
    --bg-app: #f4f6fa;
    --bg-gradient: radial-gradient(circle at top left, #ffffff, #e9eff6);
    --bg-card: rgba(255, 255, 255, 0.85);
    --border-card: rgba(0, 0, 0, 0.06);
    --border-input: rgba(0, 0, 0, 0.15);
    --bg-input: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --shadow-card: 0 8px 32px 0 rgba(148, 163, 184, 0.15);
    
    /* Vibrant Inky Accents */
    --color-accent-pink: #e11d48;
    --color-accent-green: #059669;
    --color-accent-yellow: #a3e635;
    --color-primary: #2563eb; /* Blue-heavy Ink */
    --color-secondary: rgba(0, 0, 0, 0.05);
    --color-secondary-hover: rgba(0, 0, 0, 0.1);
    --color-success: #059669;
    --color-info: #0284c7;
    
    --header-bg: rgba(244, 246, 250, 0.8);
    --header-border: rgba(0, 0, 0, 0.05);
}

/* 2. Global Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-app);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease);
}

/* Smooth Transitions for elements during theme change */
.card, .btn, input, textarea, header, footer {
    transition: background var(--transition-speed) var(--transition-ease),
                color var(--transition-speed) var(--transition-ease),
                border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

/* 3. Layout */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    backdrop-filter: blur(12px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.6rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    display: flex;
    flex-direction: column;
}

.logo-badge {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--color-accent-pink);
    letter-spacing: 0.15em;
    margin-bottom: 0.1rem;
}

.title-wrap {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 0.1rem;
}

.app-title {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.sibling-link {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent-pink);
    text-decoration: none;
    border: 1px solid var(--color-accent-pink);
    padding: 0.25rem 0.65rem;
    border-radius: 10rem;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    background: rgba(255, 27, 118, 0.05);
    transition: background 0.2s, color 0.2s, transform 0.1s;
}

.sibling-link:hover {
    background: var(--color-accent-pink);
    color: #ffffff;
    transform: translateY(-1px);
}

.sibling-link:active {
    transform: translateY(0);
}

.app-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 900px) {
    .grid-container {
        grid-template-columns: 450px 1fr;
    }
}

/* 4. UI Components: Card (Glassmorphism) */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 1.25rem;
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: relative;
    overflow: hidden;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-subtitle {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-card);
    padding-bottom: 0.5rem;
}

.divider {
    border: 0;
    height: 1px;
    background: var(--border-card);
    margin: 1.5rem 0;
}

/* 5. Inputs & Buttons */
.player-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding: 0 0.5rem;
}

.player-list-header .header-name {
    flex: 1;
}

.player-list-header .header-prob {
    flex: 0 0 95px;
    text-align: center;
    margin-right: 2.7rem; /* 削除ボタンの幅を考慮 */
}

.player-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

/* Scrollbar styling */
.player-list::-webkit-scrollbar {
    width: 6px;
}
.player-list::-webkit-scrollbar-track {
    background: transparent;
}
.player-list::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 3px;
}

.player-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    width: 100%;
    animation: slideIn 0.2s var(--transition-ease);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.input-player {
    flex: 1;
    min-width: 0; /* flexアイテムが縮むようにする */
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.6rem 0.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 0.6rem;
    color: var(--text-primary);
    outline: none;
}

/* プレイヤー個別確率プルダウン */
.select-player-probability {
    flex: 0 0 95px; /* 固定幅 */
    min-width: 95px;
    padding: 0.75rem 1.75rem 0.75rem 0.6rem;
    font-size: 0.85rem;
    height: 100%;
    background-position: right 0.4rem center;
    background-size: 1rem;
}

.input-player:focus {
    border-color: var(--color-accent-pink);
    box-shadow: 0 0 0 3px rgba(255, 27, 118, 0.25);
}

.btn {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.65rem 1.25rem;
    border-radius: 0.6rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: transform 0.1s ease, filter 0.2s ease, background 0.2s ease;
}

.btn:active {
    transform: scale(0.97);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-primary {
    background: var(--color-accent-pink);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(255, 27, 118, 0.3);
}
.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-card);
}
.btn-secondary:hover {
    background: var(--color-secondary-hover);
}

.btn-accent {
    background: var(--color-success);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
}
.btn-accent:hover {
    filter: brightness(1.1);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    padding: 0.6rem;
    border-radius: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(239, 68, 68, 0.2);
    cursor: pointer;
}
.btn-delete:hover {
    background: #ef4444;
    color: #ffffff;
}

/* 6. Option Controls */
.option-group {
    margin-bottom: 1.2rem;
}

.option-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.badge {
    background: var(--color-accent-pink);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 800;
    padding: 0.2rem 0.6rem;
    border-radius: 10rem;
    min-width: 2rem;
    text-align: center;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: var(--border-card);
    outline: none;
    margin-bottom: 0.4rem;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent-pink);
    cursor: pointer;
    border: 2px solid var(--bg-app);
    box-shadow: 0 0 10px rgba(255, 27, 118, 0.4);
    transition: transform 0.1s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.option-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Checkboxes */
.checkbox-group {
    margin-bottom: 0.8rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 2rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 1.25rem;
    width: 1.25rem;
    background-color: var(--bg-input);
    border: 2px solid var(--border-input);
    border-radius: 0.35rem;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-accent-pink);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-accent-pink);
    border-color: var(--color-accent-pink);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 5px;
    top: 1px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 💥 Russian Roulette (Danger) Accent Styles */
.text-danger {
    color: #ff453a !important; /* ビビッドなネオンレッド */
}

.checkbox-container:hover input ~ .checkmark-danger {
    border-color: #ff453a;
}

.checkbox-container input:checked ~ .checkmark-danger {
    background-color: #ff453a;
    border-color: #ff453a;
}

/* 他薦結果の特別スタイル */
.player-result-row.russian-active {
    border-left: 4px solid #f59e0b; /* 警告イエロー/オレンジ */
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.08), var(--bg-input));
    animation: pulseBorder 1.5s infinite alternate;
}

@keyframes pulseBorder {
    from {
        box-shadow: 0 2px 8px rgba(245, 158, 11, 0.05);
    }
    to {
        box-shadow: 0 2px 14px rgba(245, 158, 11, 0.2);
    }
}

.weapon-name.russian-text {
    color: #f59e0b;
    font-weight: 900;
}

/* 7. Theme Toggle Button Styling */
.theme-toggle-btn {
    background: var(--color-secondary);
    border: 1px solid var(--header-border);
    color: var(--text-primary);
    padding: 0.6rem;
    border-radius: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.theme-toggle-btn:hover {
    background: var(--color-secondary-hover);
    transform: rotate(15deg);
}

.theme-toggle-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Show/Hide Sun and Moon icons based on theme */
[data-theme="dark"] .sun-icon {
    display: block;
}
[data-theme="dark"] .moon-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: none;
}
[data-theme="light"] .moon-icon {
    display: block;
}

/* 8. Results View styling */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 0.4s var(--transition-ease);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

/* Empty placeholder */
.empty-card {
    text-align: center;
    padding: 5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-style: dashed;
    border-width: 2px;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.6;
}

.empty-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    max-width: 300px;
}

/* Match Info Card (Stage & Rule) */
.match-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-card);
}

.match-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.match-info-item {
    display: flex;
    flex-direction: column;
}

.match-info-item .label {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.match-info-item .value {
    font-size: 1.4rem;
    font-weight: 900;
    margin-top: 0.25rem;
    color: var(--text-primary);
}

/* Grid for Player Weapons Results */
.player-weapons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 600px) {
    .player-weapons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.player-result-row {
    background: var(--bg-input);
    border: 1px solid var(--border-card);
    border-radius: 0.85rem;
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 4px solid var(--color-accent-pink);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.player-result-row .player-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.player-result-row .weapon-name {
    font-size: 1.05rem;
    font-weight: 800;
    margin-top: 0.15rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.player-result-row .weapon-cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--color-secondary);
    padding: 0.1rem 0.5rem;
    border-radius: 0.25rem;
    margin-left: auto;
}

/* Buffer Weapons Styles */
.buffer-weapons-card {
    border-left: 4px solid var(--color-success);
}

.buffer-weapons-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.buffer-item {
    background: var(--bg-input);
    border: 1px solid var(--border-card);
    padding: 0.6rem 0.9rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.buffer-item .weapon-cat {
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--color-secondary);
    color: var(--text-muted);
    padding: 0.05rem 0.35rem;
    border-radius: 0.2rem;
}

.buffer-tip {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Copy Text Area Component */
.copy-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 0.75rem;
    color: var(--text-primary);
    padding: 1rem;
    font-family: monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    margin-bottom: 1rem;
}

.copy-textarea:focus {
    border-color: var(--color-accent-pink);
}

/* --- ❓ Tooltip Styling --- */
.help-icon {
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--color-secondary);
    border-radius: 50%;
    width: 1.2rem;
    height: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0.3rem;
    cursor: help;
    position: relative;
}

.help-icon:hover {
    background: var(--color-accent-pink);
    color: #ffffff;
}

/* Tooltip bubble using pseudo elements */
.help-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.5rem 0.8rem;
    border-radius: 0.5rem;
    white-space: normal;
    width: 220px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    z-index: 100;
    line-height: 1.4;
}

[data-theme="light"] .help-icon::after {
    background: rgba(255, 255, 255, 0.98);
    color: #0f172a;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    border: 1px solid rgba(0,0,0,0.08);
}

.help-icon:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* --- 🎚️ Select Box Styling --- */
.select-input {
    width: 100%;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-input);
    border-radius: 0.75rem;
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    appearance: none; /* 標準の矢印を消す */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ff1b76' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
}

[data-theme="light"] .select-input {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'></polyline></svg>");
}

.select-input:focus {
    border-color: var(--color-accent-pink);
    box-shadow: 0 0 0 3px rgba(255, 27, 118, 0.25);
}

/* --- ⚙️ Special Rules Manager --- */
.special-rules-manager {
    margin-top: 1rem;
    margin-bottom: 1.5rem; /* 下部に十分なマージンを空けて、抽選ボタンと綺麗に分離しますわ！ */
    background: var(--color-secondary);
    border-radius: 0.85rem;
    border: 1px solid var(--border-card);
    overflow: hidden;
}

.manager-summary {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    outline: none;
    transition: background 0.2s;
}

.manager-summary:hover {
    background: var(--color-secondary-hover);
}

.manager-content {
    padding: 1rem;
    border-top: 1px solid var(--border-card);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.add-rule-form {
    display: flex;
    gap: 0.5rem;
}

.rules-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-right: 0.25rem;
}

.rules-list::-webkit-scrollbar {
    width: 4px;
}
.rules-list::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 2px;
}

.rule-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-card);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    animation: slideIn 0.2s ease;
}

.rule-list-item .btn-delete-rule {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.1rem;
}

.rule-list-item .btn-delete-rule:hover {
    color: #ef4444;
}

/* --- 💥 Special Rule result card --- */
.special-rule-info {
    margin-top: 1.2rem;
    border: 1px solid rgba(255, 69, 58, 0.3);
    background: rgba(255, 69, 58, 0.06); /* ほんのり警告赤 */
    padding: 1rem;
    border-radius: 0.85rem;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease;
    box-shadow: 0 4px 16px rgba(255, 69, 58, 0.05);
}

[data-theme="light"] .special-rule-info {
    background: rgba(255, 69, 58, 0.03);
    border: 1px solid rgba(255, 69, 58, 0.15);
}

/* 9. Footer styling */
.app-footer {
    text-align: center;
    padding: 1.25rem 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--header-border);
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.app-footer a {
    color: var(--color-accent-pink);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.app-footer a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* --- ⚙️ Plan B: Special Rules Toggle Styling --- */
.rule-list-item.rule-disabled {
    opacity: 0.45;
    background: rgba(0, 0, 0, 0.1) !important;
    text-decoration: line-through;
    border-color: rgba(255, 255, 255, 0.03) !important;
}

[data-theme="light"] .rule-list-item.rule-disabled {
    background: rgba(0, 0, 0, 0.03) !important;
    border-color: rgba(0, 0, 0, 0.03) !important;
}

.rule-list-item .rule-checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
    user-select: none;
    flex: 1;
}

.rule-list-item .rule-check-input {
    cursor: pointer;
    accent-color: var(--color-accent-pink);
    width: 1rem;
    height: 1rem;
    border-radius: 0.25rem;
    border: 2px solid var(--border-input);
}

/* --- 📱 Smartphone Responsive Tuning --- */
@media (max-width: 768px) {
    .app-content {
        padding: 1.25rem 0.75rem;
    }
    
    .card {
        padding: 1.25rem 1rem;
    }
    
    .header-container {
        padding: 0.8rem 1rem;
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .title-wrap {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .logo-group {
        align-items: flex-start;
        width: 100%;
    }
    
    .theme-toggle-btn {
        align-self: flex-end;
        position: absolute;
        top: 0.8rem;
        right: 1rem;
    }

    .app-title {
        font-size: 1.4rem;
    }

    .sibling-link {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    .player-weapons-grid {
        grid-template-columns: 1fr;
    }
    
    .match-info-grid {
        gap: 1rem;
    }
    
    .match-info-item .value {
        font-size: 1.2rem;
    }
    
    .player-list-header .header-prob {
        margin-right: 2.2rem;
    }
}

/* 📢 統一系特殊ルールの特大警告指令カード */
.unified-rule-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(20, 22, 37, 0.85));
    border: 2px dashed #f59e0b;
    border-radius: 1.25rem;
    padding: 2.5rem 1.5rem;
    text-align: center;
    box-shadow: 0 8px 32px rgba(245, 158, 11, 0.15);
    animation: pulseBorderUnified 2s infinite alternate;
}

[data-theme="light"] .unified-rule-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(255, 255, 255, 0.95));
}

@keyframes pulseBorderUnified {
    from {
        border-color: rgba(245, 158, 11, 0.5);
        box-shadow: 0 8px 24px rgba(245, 158, 11, 0.05);
    }
    to {
        border-color: rgba(245, 158, 11, 1);
        box-shadow: 0 8px 32px rgba(245, 158, 11, 0.25);
    }
}

.unified-rule-card .unified-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: #f59e0b;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.unified-rule-card .unified-desc {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--text-primary);
}

#roll-again-btn {
    margin-top: 0.8rem;
    box-shadow: 0 4px 14px 0 rgba(255, 27, 118, 0.3);
}

/* --- 🎲 確率表示エリア（ハイブリッド設計） --- */
.result-probability-area {
    margin-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 0.8rem;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease;
}

[data-theme="light"] .result-probability-area {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.prob-value-wrap {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: 0.2rem;
}

.prob-val {
    color: var(--color-info) !important; /* 美しいサイバーブルー */
    font-size: 1.3rem !important;
    font-weight: 900;
    text-shadow: 0 0 12px rgba(6, 182, 212, 0.3);
}

.prob-comment {
    font-size: 0.85rem;
    font-weight: 700;
    color: #f59e0b;
    margin-top: 0.4rem;
    line-height: 1.4;
    background: rgba(245, 158, 11, 0.07);
    border-left: 3px solid #f59e0b;
    padding: 0.4rem 0.75rem;
    border-radius: 0.35rem;
}

[data-theme="light"] .prob-comment {
    background: rgba(245, 158, 11, 0.05);
}

/* ==========================================================================
   📂 COLLAPSIBLE SETTINGS & LOGO LINK STYLING
   ========================================================================== */

/* 🔗 Logo Link decoration */
.logo-link {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

.logo-link:hover {
    color: var(--color-accent-pink);
    text-shadow: 0 0 8px rgba(255, 27, 118, 0.3);
}

/* 📁 Collapsible Settings Panel layout */
.settings-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Accordion card details element */
.settings-card {
    transition: all 0.3s var(--transition-ease);
}

.settings-card:not([open]) {
    padding-bottom: 1rem;
}

/* Hide native details arrow */
.settings-summary::-webkit-details-marker {
    display: none;
}

.settings-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    list-style: none; /* 標準矢印を隠す */
    outline: none;
    user-select: none;
    padding: 0.2rem 0;
}

.settings-summary::marker {
    display: none;
}

.settings-summary .toggle-icon {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: transform var(--transition-speed) var(--transition-ease);
}

.settings-card[open] .toggle-icon {
    transform: rotate(180deg);
    color: var(--color-accent-pink);
}

/* Content block animation inside card */
.settings-content {
    margin-top: 1.25rem;
    animation: slideDown 0.25s var(--transition-ease) forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 💬 Discord Button Styles */
.btn-discord {
    background: #5865f2;
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(88, 101, 242, 0.3);
}

.btn-discord:hover {
    background: #4752c4;
    box-shadow: 0 4px 20px 0 rgba(88, 101, 242, 0.5);
    filter: brightness(1.1);
}

/* --- 🎲 Inner Checkbox Lists for Advanced Options --- */
.inner-checkbox-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.5rem;
    margin-top: 0.8rem;
    padding: 0.6rem;
    background: var(--bg-input);
    border-radius: 0.6rem;
    border: 1px solid var(--border-card);
}

.stage-scroll-container {
    max-height: 180px;
    overflow-y: auto;
    padding: 0.6rem;
    background: var(--bg-input);
    border-radius: 0.6rem;
    border: 1px solid var(--border-card);
    margin-top: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Custom slim scrollbar for stage container */
.stage-scroll-container::-webkit-scrollbar {
    width: 6px;
}
.stage-scroll-container::-webkit-scrollbar-track {
    background: transparent;
}
.stage-scroll-container::-webkit-scrollbar-thumb {
    background: var(--border-card);
    border-radius: 3px;
}
.stage-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- 🔼 Expander Button for Option Groups --- */
.flex-row-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expander-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 0.35rem;
    transition: all 0.2s var(--transition-ease);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.expander-btn:hover {
    color: var(--color-accent-pink);
    background-color: var(--color-secondary-hover);
}

.expander-btn.collapsed {
    transform: rotate(180deg); /* 180度回転させて ▼ にする */
}