/* ===========================
   暗号ラボ — スタイルシート
   サイドバーレイアウト + ダークテーマ
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-dim: #64748b;
    --accent-cyan: #06b6d4;
    --accent-cyan-glow: rgba(6, 182, 212, 0.3);
    --accent-purple: #a855f7;
    --accent-purple-glow: rgba(168, 85, 247, 0.3);
    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);
    --accent-amber: #f59e0b;
    --accent-rose: #f43f5e;
    --gradient-main: linear-gradient(135deg, #06b6d4 0%, #a855f7 50%, #f43f5e 100%);
    --gradient-key: linear-gradient(135deg, #06b6d4, #3b82f6);
    --gradient-encrypt: linear-gradient(135deg, #a855f7, #ec4899);
    --gradient-decrypt: linear-gradient(135deg, #10b981, #06b6d4);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --sidebar-width: 260px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景 */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    animation: float 20s ease-in-out infinite;
}

.bg-orb:nth-child(1) {
    width: 600px;
    height: 600px;
    background: var(--accent-cyan);
    top: -200px;
    left: -100px;
}

.bg-orb:nth-child(2) {
    width: 500px;
    height: 500px;
    background: var(--accent-purple);
    top: 40%;
    right: -150px;
    animation-delay: -7s;
}

.bg-orb:nth-child(3) {
    width: 400px;
    height: 400px;
    background: var(--accent-rose);
    bottom: -100px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(50px, -30px) scale(1.05);
    }

    66% {
        transform: translate(-30px, 40px) scale(0.95);
    }
}

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ==================== レイアウト ==================== */
.app-layout {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 100vh;
}

/* サイドバー */
.sidebar {
    width: var(--sidebar-width);
    background: rgba(8, 12, 24, 0.95);
    border-right: 1px solid var(--border-glass);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-glass);
}

.sidebar-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem;
    overflow-y: auto;
}

.nav-section-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    padding: 0.75rem 0.75rem 0.35rem;
    font-weight: 700;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.7rem 0.75rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.nav-btn.active {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
}

.nav-icon {
    font-size: 1.05rem;
}

.nav-label {
    flex: 1;
    text-align: left;
}

.nav-badge {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-dim);
}

.nav-btn.active .nav-badge {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
}

.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    background: rgba(8, 12, 24, 0.9);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

/* メインコンテンツ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem 2.5rem 4rem;
    max-width: 960px;
}

/* パネル */
.cipher-panel {
    display: none;
    animation: fadeSlideIn 0.4s ease;
}

.cipher-panel.active {
    display: block;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    margin-bottom: 1.5rem;
}

.panel-title {
    font-size: 1.8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.4rem;
}

.panel-icon {
    font-size: 1.5rem;
}

.panel-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* カード */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 1.75rem;
    backdrop-filter: blur(20px);
    margin-bottom: 1.25rem;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.card-header .icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.card-header .icon.cyan {
    background: rgba(6, 182, 212, 0.15);
}

.card-header .icon.purple {
    background: rgba(168, 85, 247, 0.15);
}

.card-header .icon.green {
    background: rgba(16, 185, 129, 0.15);
}

.card-header .icon.amber {
    background: rgba(245, 158, 11, 0.15);
}

.card-header .icon.rose {
    background: rgba(244, 63, 94, 0.15);
}

.card-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}

.card-header p {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ==================== RSAパラメータダッシュボード ==================== */
.param-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.param-card {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.param-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.param-card.wide {
    grid-column: span 3;
}

.param-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
}

.param-p::before {
    background: var(--accent-cyan);
}

.param-q::before {
    background: var(--accent-cyan);
}

.param-n::before {
    background: var(--accent-purple);
}

.param-e::before {
    background: var(--accent-green);
}

.param-d::before {
    background: var(--accent-rose);
}

.param-phi::before {
    background: var(--accent-amber);
}

.param-c::before {
    background: var(--gradient-encrypt);
}

.param-cprime::before {
    background: var(--gradient-decrypt);
}

.param-symbol {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.2rem;
    line-height: 1;
}

.param-p .param-symbol,
.param-q .param-symbol {
    color: var(--accent-cyan);
}

.param-n .param-symbol {
    color: var(--accent-purple);
}

.param-e .param-symbol {
    color: var(--accent-green);
}

.param-d .param-symbol {
    color: var(--accent-rose);
}

.param-phi .param-symbol {
    color: var(--accent-amber);
}

.param-c .param-symbol {
    color: var(--accent-purple);
}

.param-cprime .param-symbol {
    color: var(--accent-green);
}

.param-name {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

.param-value {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-all;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-xs);
    min-height: 1.8rem;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.param-desc {
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-top: 0.35rem;
}

.param-card.highlight {
    animation: paramHighlight 1s ease;
}

@keyframes paramHighlight {
    0% {
        box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4);
    }

    50% {
        box-shadow: 0 0 20px 4px rgba(6, 182, 212, 0.2);
    }

    100% {
        box-shadow: 0 0 0 0 transparent;
    }
}

/* フォーム */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-select,
.form-input,
.form-textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.form-textarea {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-height: 80px;
    resize: vertical;
    line-height: 1.7;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.flex-1 {
    flex: 1;
}

.form-actions-vertical {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    padding-top: 1.5rem;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent);
    border-radius: inherit;
}

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

.btn-keygen {
    background: var(--gradient-key);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.12);
}

.btn-keygen:hover {
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.25);
    transform: translateY(-1px);
}

.btn-encrypt {
    background: var(--gradient-encrypt);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.12);
}

.btn-encrypt:hover {
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.25);
    transform: translateY(-1px);
}

.btn-decrypt {
    background: var(--gradient-decrypt);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.12);
}

.btn-decrypt:hover {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.25);
    transform: translateY(-1px);
}

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

.btn-sm {
    padding: 0.55rem 1rem;
    font-size: 0.8rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
}

.btn-outline::before {
    display: none;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

/* スライダー */
.bit-slider-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bit-slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    outline: none;
}

.bit-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-key);
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.bit-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-cyan);
    min-width: 50px;
    text-align: center;
}

/* 数式 */
.formula {
    font-family: var(--font-mono);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xs);
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--accent-amber);
    text-align: center;
}

/* 出力エリア */
.output-area {
    margin-top: 0.5rem;
}

.output-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    word-break: break-all;
    color: var(--text-primary);
    min-height: 40px;
    line-height: 1.7;
}

.output-box.highlight-purple {
    border-color: rgba(168, 85, 247, 0.3);
}

.output-box.highlight-green {
    border-color: rgba(16, 185, 129, 0.3);
}

.output-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.output-label span {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.copy-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-dim);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-xs);
    font-size: 0.7rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.copy-btn.copied {
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.3);
}

/* ステータス */
.status {
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-xs);
    font-size: 0.8rem;
    margin-top: 0.75rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    animation: fadeSlideIn 0.3s ease;
}

.status.visible {
    display: flex;
}

.status.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.status.error {
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--accent-rose);
}

.status.info {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--accent-cyan);
}

/* テーブル */
.step-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    overflow: hidden;
}

.step-table thead th {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.6rem 0.8rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-glass);
}

.step-table tbody td {
    padding: 0.5rem 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.8rem;
}

.step-table tbody tr {
    transition: var(--transition);
    animation: rowFade 0.3s ease forwards;
    opacity: 0;
}

.step-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

@keyframes rowFade {
    to {
        opacity: 1;
    }
}

.step-table tbody tr:nth-child(1) {
    animation-delay: 0.03s;
}

.step-table tbody tr:nth-child(2) {
    animation-delay: 0.06s;
}

.step-table tbody tr:nth-child(3) {
    animation-delay: 0.09s;
}

.step-table tbody tr:nth-child(4) {
    animation-delay: 0.12s;
}

.step-table tbody tr:nth-child(5) {
    animation-delay: 0.15s;
}

.step-table tbody tr:nth-child(n+6) {
    animation-delay: 0.18s;
}

.char-cell {
    font-size: 1rem;
    font-family: var(--font-sans);
}

.arrow-cell {
    color: var(--text-dim);
    text-align: center;
    font-size: 1rem;
}

.encrypted-cell {
    color: var(--accent-purple);
}

.decrypted-cell {
    color: var(--accent-green);
}

.binary-cell {
    font-size: 0.7rem;
    letter-spacing: 0.5px;
}

/* スピナー */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 鍵バッジ */
.key-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.key-status.no-key {
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.2);
    color: var(--accent-rose);
}

.key-status.has-key {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.key-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.key-status.no-key .key-status-dot {
    background: var(--accent-rose);
}

.key-status.has-key .key-status-dot {
    background: var(--accent-green);
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ハッシュ結果 */
.hash-result-card {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.hash-algo-name {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-cyan);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hash-algo-bits {
    font-size: 0.6rem;
    color: var(--text-dim);
    font-weight: 500;
}

.hash-hex {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    word-break: break-all;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 0.7rem;
    border-radius: var(--radius-xs);
    border: 1px solid rgba(255, 255, 255, 0.04);
    line-height: 1.6;
}

/* ブルートフォース */
.brute-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
    transition: var(--transition);
}

.brute-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.brute-shift {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-cyan);
    min-width: 45px;
}

.brute-text {
    font-family: var(--font-mono);
    color: var(--text-primary);
    word-break: break-all;
}

/* ==================== レスポンシブ ==================== */

/* パラメータ入力フィールド */
.param-input {
    width: 100%;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.3);
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-xs);
    border: 1px solid rgba(255, 255, 255, 0.08);
    outline: none;
    transition: var(--transition);
    word-break: break-all;
}

.param-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.param-input::placeholder {
    color: var(--text-dim);
    font-size: 0.75rem;
}

/* ビット数入力 */
.bit-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bit-number-input {
    max-width: 140px;
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
}

.bit-number-input::-webkit-inner-spin-button,
.bit-number-input::-webkit-outer-spin-button {
    opacity: 1;
}

.bit-unit {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

/* カスケード暗号 */
.cascade-chain {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cascade-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-left: 3px solid var(--accent-cyan);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    animation: fadeSlideIn 0.3s ease;
}

.cascade-step:hover {
    border-color: rgba(255, 255, 255, 0.15);
    border-left-color: var(--accent-purple);
    background: rgba(0, 0, 0, 0.28);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.08);
}

.cascade-step-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.12);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.cascade-step select {
    flex: 1;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    appearance: none;
    cursor: pointer;
    max-width: 180px;
}

.cascade-step select:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.cascade-step-key {
    flex: 1;
}

.cascade-step-key input {
    width: 100%;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    outline: none;
    transition: var(--transition);
}

.cascade-step-key input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px var(--accent-cyan-glow);
}

.cascade-step .btn-remove {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid rgba(244, 63, 94, 0.2);
    background: rgba(244, 63, 94, 0.08);
    color: var(--accent-rose);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.cascade-step .btn-remove:hover {
    background: rgba(244, 63, 94, 0.2);
    transform: scale(1.1);
}

.cascade-step .btn-gen-key {
    transition: all 0.2s ease;
}

.cascade-step .btn-gen-key:hover {
    background: rgba(6, 182, 212, 0.2) !important;
    border-color: var(--accent-cyan) !important;
    transform: rotate(15deg) scale(1.1);
    box-shadow: 0 0 8px var(--accent-cyan-glow);
}

.key-strength {
    display: inline-block;
    min-width: 32px;
    text-align: center;
    transition: color 0.3s ease;
    letter-spacing: 0.02em;
}

.cascade-arrow {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    padding: 0.2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.cascade-result-step {
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.cascade-result-step:hover {
    background: rgba(0, 0, 0, 0.22);
}

.cascade-result-step .step-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-cyan);
    margin-bottom: 0.3rem;
}

.cascade-result-step .step-output {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    word-break: break-all;
    max-height: 120px;
    overflow-y: auto;
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem 1rem 3rem;
        padding-top: 4rem;
    }

    .param-grid {
        grid-template-columns: 1fr 1fr;
    }

    .param-card.wide {
        grid-column: span 2;
    }

    .form-row {
        flex-direction: column;
    }

    .form-actions-vertical {
        flex-direction: row;
        justify-content: center;
        padding-top: 0;
    }

    .cascade-step {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .param-grid {
        grid-template-columns: 1fr;
    }

    .param-card.wide {
        grid-column: span 1;
    }

    .panel-title {
        font-size: 1.4rem;
    }
}
/* ==================== ����Z�N�V���� ==================== */
.explanation-section {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 1rem;
}

.btn-explain-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.btn-explain-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-explain-toggle .icon {
    font-size: 1.2rem;
}

.btn-explain-toggle .arrow {
    margin-left: auto;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    color: var(--text-dim);
}

.btn-explain-toggle.open .arrow {
    transform: rotate(180deg);
}

.btn-explain-toggle.open {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
}

.explanation-content {
    display: none;
    overflow: hidden;
    margin-top: 0.5rem;
}

.explanation-body {
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    border: 1px solid var(--border-glass);
    line-height: 1.8;
}

.explanation-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--accent-cyan);
    border-left: 3px solid var(--accent-cyan);
    padding-left: 0.75rem;
}

.explanation-body h4:not(:first-child) {
    margin-top: 1.5rem;
}

.explanation-body p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.formula-box {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    margin: 1rem 0;
    font-family: var(--font-mono);
}

.formula-box p {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.formula-box p:last-child {
    margin-bottom: 0;
}

code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent-amber);
}


/* ================== ?? Beginner Gentle Guide ================== */
.gentle-guide-wrapper {
    background: rgba(10, 20, 40, 0.4);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}
.gentle-guide-wrapper::before {
    content: '?? ���S�Ҍ����}��';
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 0.2rem 0.6rem;
    border-bottom-right-radius: 8px;
}
.guide-title {
    color: #00d2ff;
    font-weight: 600;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
    text-align: center;
}
.guide-desc {
    font-size: 0.9rem;
    color: #aaa;
    text-align: center;
    margin-bottom: 1rem;
}
.step-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
    overflow: hidden;
}
.step-table th, .step-table td {
    padding: 0.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.step-table th {
    background: rgba(0, 210, 255, 0.1);
    color: #00e5ff;
    font-weight: 600;
}
.char-cell { font-family: monospace; font-size: 1.1rem; color: #fff; }
.encrypted-cell { color: #f2e3c6; font-weight: bold; background: rgba(255,166,0,0.1); }
.decrypted-cell { color: #b3ffab; font-weight: bold; background: rgba(0,255,0,0.1); }
.arrow-cell { color: #555; }
/* ========================================= */

/* =؀� vzui2�S: �0�0�0�0�0�0�0�0�0�0�0�0�0�0�0�0 */

/* ========================================= */

.panel, .card, .btn-primary, .btn-secondary, .tab-btn, .step-table tbody tr, .technical-info-card {

    will-change: transform, opacity;

    transform: translateZ(0);

    -webkit-backface-visibility: hidden;

    backface-visibility: hidden;

    perspective: 1000px;

}

.vs-viewport {

    will-change: transform, scroll-position;

    transform: translateZ(0);

    overscroll-behavior: contain;

}

.step-table {

    will-change: transform;

    transform: translateZ(0);

}


/* ================================================
   実用ツールボックス — スタイル
   ================================================ */

/* ファイルドロップゾーン */
.file-drop-zone {
    border: 2px dashed rgba(0, 200, 255, 0.3);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0, 200, 255, 0.03);
    margin-top: 0.75rem;
}
.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(0, 200, 255, 0.08);
    transform: scale(1.01);
}
.file-drop-zone.drag-over {
    box-shadow: 0 0 20px rgba(0, 200, 255, 0.15);
}
.drop-zone-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.5rem;
}
.drop-zone-content p {
    margin: 0.25rem 0;
    color: var(--text-muted);
}
.drop-zone-info {
    padding: 0.75rem;
    background: rgba(0, 200, 255, 0.08);
    border-radius: 8px;
    margin-top: 0.75rem;
    font-size: 0.9em;
    color: var(--text-primary);
}

/* パスワード強度メーター */
.password-strength-meter {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 10px;
}
.strength-bar-container {
    height: 8px;
    background: rgba(255,255,255,0.08);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.strength-bar {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease, background 0.4s ease;
    width: 0;
}
.strength-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.strength-label {
    font-weight: 600;
    font-size: 0.95rem;
}
.strength-entropy {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
}
.strength-details {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.strength-details .detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.2rem 0;
}
.strength-details .detail-icon {
    font-size: 0.9rem;
    width: 1.2em;
    text-align: center;
}

/* パスワード生成結果 */
.pg-result-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.9rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    transition: background 0.2s;
}
.pg-result-item:hover {
    background: rgba(0, 200, 255, 0.08);
}
.pg-result-item .pg-password {
    flex: 1;
    word-break: break-all;
    user-select: all;
    color: var(--text-primary);
}
.pg-result-item .pg-entropy {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}
.pg-result-item .pg-copy-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
    white-space: nowrap;
}
.pg-result-item .pg-copy-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* エントロピー結果 */
.entropy-result-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1.25rem;
}
.entropy-gauge {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.entropy-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: monospace;
}
.entropy-unit {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.entropy-bar-outer {
    flex: 1;
    height: 10px;
    background: rgba(255,255,255,0.08);
    border-radius: 5px;
    overflow: hidden;
}
.entropy-bar-inner {
    height: 100%;
    border-radius: 5px;
    transition: width 0.5s ease;
}
.entropy-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}
.entropy-stat {
    padding: 0.6rem;
    background: rgba(0,0,0,0.15);
    border-radius: 8px;
    text-align: center;
}
.entropy-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}
.entropy-stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    font-family: monospace;
}

/* ハッシュ比較結果 */
.compare-result {
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
}
.compare-match {
    background: rgba(0, 200, 100, 0.1);
    border: 1px solid rgba(0, 200, 100, 0.3);
    color: #0c8;
}
.compare-mismatch {
    background: rgba(255, 60, 60, 0.1);
    border: 1px solid rgba(255, 60, 60, 0.3);
    color: #f44;
}

/* 鍵マネージャー — 鍵状態カード */
.km-key-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--primary);
}
.km-key-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.km-key-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
    word-break: break-all;
    max-height: 60px;
    overflow: hidden;
}

/* ================================================
   実用ツールボックス — スタイル
   ================================================ */
.file-drop-zone {
    border: 2px dashed rgba(0, 200, 255, 0.3);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0, 200, 255, 0.03);
    margin-top: 0.75rem;
}
.file-drop-zone:hover, .file-drop-zone.drag-over {
    border-color: var(--primary);
    background: rgba(0, 200, 255, 0.08);
}
.drop-zone-icon { font-size: 2.5rem; display: block; margin-bottom: 0.5rem; }
.drop-zone-content p { margin: 0.25rem 0; color: var(--text-muted); }
.drop-zone-info {
    padding: 0.75rem;
    background: rgba(0, 200, 255, 0.08);
    border-radius: 8px;
    margin-top: 0.75rem;
    font-size: 0.9em;
}
.password-strength-meter { margin-top: 1rem; padding: 1rem; background: var(--bg-tertiary); border-radius: 10px; }
.strength-bar-container { height: 8px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; margin-bottom: 0.75rem; }
.strength-bar { height: 100%; border-radius: 4px; transition: width 0.4s ease, background 0.4s ease; width: 0; }
.strength-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.strength-label { font-weight: 600; font-size: 0.95rem; }
.strength-entropy { font-size: 0.85rem; color: var(--text-muted); font-family: monospace; }
.strength-details { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.pg-result-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 0.9rem; background: var(--bg-tertiary);
    border-radius: 8px; margin-bottom: 0.5rem;
    font-family: 'Consolas', 'Courier New', monospace; font-size: 0.9rem;
}
.pg-result-item:hover { background: rgba(0, 200, 255, 0.08); }
.pg-result-item .pg-password { flex: 1; word-break: break-all; user-select: all; }
.pg-result-item .pg-entropy { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }
.pg-result-item .pg-copy-btn {
    background: none; border: 1px solid var(--border-color); color: var(--text-muted);
    padding: 4px 8px; border-radius: 6px; cursor: pointer; font-size: 0.8rem;
}
.pg-result-item .pg-copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.entropy-result-card { background: var(--bg-tertiary); border-radius: 10px; padding: 1.25rem; }
.entropy-gauge { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.entropy-value { font-size: 2rem; font-weight: 700; font-family: monospace; }
.entropy-unit { font-size: 0.85rem; color: var(--text-muted); }
.entropy-bar-outer { flex: 1; height: 10px; background: rgba(255,255,255,0.08); border-radius: 5px; overflow: hidden; }
.entropy-bar-inner { height: 100%; border-radius: 5px; transition: width 0.5s ease; }
.entropy-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; }
.entropy-stat { padding: 0.6rem; background: rgba(0,0,0,0.15); border-radius: 8px; text-align: center; }
.entropy-stat-label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.entropy-stat-value { font-size: 1.1rem; font-weight: 600; font-family: monospace; }
.compare-result { padding: 1rem; border-radius: 10px; text-align: center; font-size: 1.1rem; font-weight: 600; }
.compare-match { background: rgba(0,200,100,0.1); border: 1px solid rgba(0,200,100,0.3); color: #0c8; }
.compare-mismatch { background: rgba(255,60,60,0.1); border: 1px solid rgba(255,60,60,0.3); color: #f44; }
.km-key-card { background: var(--bg-tertiary); border-radius: 10px; padding: 1rem; margin-bottom: 0.75rem; border-left: 3px solid var(--primary); }
.km-key-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; font-weight: 600; }
.km-key-detail { font-size: 0.8rem; color: var(--text-muted); font-family: monospace; word-break: break-all; }
.full-copy-area { user-select: all; word-break: break-all; overflow-wrap: anywhere; white-space: pre-wrap; }

/* ==================== アコーディオン折りたたみ ==================== */
.nav-accordion { margin: 2px 0; }
.nav-accordion-toggle {
    width: 100%; padding: 0.5rem 0.75rem; border: none; background: rgba(255,255,255,0.03);
    color: var(--text-muted); font-size: 0.75rem; cursor: pointer; text-align: left;
    border-radius: 6px; display: flex; justify-content: space-between; align-items: center;
    transition: all 0.2s ease;
}
.nav-accordion-toggle:hover { background: rgba(0,229,255,0.08); color: var(--text-color); }
.accordion-arrow { font-size: 0.6rem; transition: transform 0.3s ease; }
.nav-accordion.open .accordion-arrow { transform: rotate(90deg); }
.nav-accordion-content {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
}
.nav-accordion.open .nav-accordion-content { max-height: 500px; }
/* ==================== スマホ対応 レスポンシブ ==================== */

/* ハンバーガーメニューボタン (モバイル用) */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 12px; left: 12px;
    z-index: 1001;
    width: 44px; height: 44px;
    border: none; border-radius: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.mobile-menu-btn:hover { background: var(--accent-cyan); transform: scale(1.05); }

/* タブレット (768px以下) */
@media (max-width: 768px) {
    .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }

    .sidebar {
        position: fixed !important;
        left: -280px !important;
        top: 0 !important;
        height: 100vh !important;
        width: 280px !important;
        z-index: 1000 !important;
        transition: left 0.3s ease !important;
        box-shadow: 4px 0 30px rgba(0,0,0,0.5);
    }
    .sidebar.open {
        left: 0 !important;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    .sidebar-overlay.active { display: block; }

    .main-content {
        margin-left: 0 !important;
        padding: 60px 12px 16px !important;
        width: 100% !important;
    }

    .card { padding: 16px !important; }
    .card-header { flex-direction: column; align-items: flex-start; gap: 8px; }

    textarea, input[type="text"], input[type="number"] {
        font-size: 16px !important; /* iOS zoom防止 */
    }

    .btn { min-height: 48px; font-size: 0.95rem; }

    .param-grid { grid-template-columns: 1fr !important; }
    .param-card { padding: 10px !important; }

    .bit-presets { flex-wrap: wrap; gap: 4px !important; }
    .bit-presets .btn { min-width: 56px; padding: 6px 8px; font-size: 0.8rem; }

    .base-toggle { flex-wrap: wrap; }

    h2 { font-size: 1.3rem !important; }
    h3 { font-size: 1.05rem !important; }
}

/* スマホ (480px以下) */
@media (max-width: 480px) {
    .main-content { padding: 56px 8px 12px !important; }
    .card { padding: 12px !important; border-radius: 12px !important; }
    .param-card { font-size: 0.75rem; }
    .param-value { font-size: 0.7rem !important; word-break: break-all; }

    .rsa-steps-table { font-size: 0.75rem; }
    .rsa-steps-table td { padding: 4px 6px; }

    .sidebar { width: 260px !important; left: -260px !important; }

    h2 { font-size: 1.1rem !important; }
    .toggle-switch { width: 36px; height: 20px; }
    .toggle-slider::before { width: 14px; height: 14px; }
    .toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); }
}

/* PC フルスクリーン (1400px+) */
@media (min-width: 1400px) {
    .main-content { max-width: 1200px; margin-left: calc(var(--sidebar-width) + 40px); }
}