:root {
    --bg-dark: #0b0f19;
    --bg-card: #151c2c;
    --bg-sidebar: #0f1422;
    --text-main: #f0f4fc;
    --text-muted: #8a99b5;
    --accent-gold: #f3c649;
    --accent-gold-glow: rgba(243, 198, 73, 0.25);
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --border-color: #232d42;
    --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* サイドバー */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.brand-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, #f3c649, #b8860b);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px var(--accent-gold-glow);
}

.brand-text h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: 2px;
    color: #ffffff;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(243, 198, 73, 0.1);
    color: var(--accent-gold);
    border-left: 3px solid var(--accent-gold);
}

.master-badge {
    background: linear-gradient(135deg, #1e283d, #141b2a);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.badge-avatar {
    font-size: 1.5rem;
}

.badge-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
}

.badge-status {
    font-size: 0.75rem;
    color: var(--accent-green);
}

/* メインエリア */
.main-content {
    flex: 1;
    padding: 2.5rem;
    overflow-y: auto;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.header-title h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.header-title p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.status-chip {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* メトリクスカード */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-3px);
}

.metric-card.gold-border {
    border-color: var(--accent-gold);
    box-shadow: 0 4px 20px var(--accent-gold-glow);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.metric-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.text-gold { color: var(--accent-gold); }
.text-green { color: var(--accent-green); }

/* セクション＆チャート */
.content-section {
    margin-bottom: 2rem;
}

.section-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.month-selector select {
    background-color: #1e283d;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    outline: none;
}

.chart-mock {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 200px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    width: 50px;
    gap: 4px;
}

.bar-profit {
    width: 100%;
    background: linear-gradient(to top, #b8860b, #f3c649);
    border-radius: 6px 6px 0 0;
    transition: height 0.5s ease;
}

.bar-cost {
    width: 100%;
    background-color: #3b82f6;
    border-radius: 4px;
    transition: height 0.5s ease;
}

.bar-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

.chart-legend {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    font-size: 0.85rem;
}

.legend-color {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    margin-right: 6px;
}

.profit-bg { background-color: var(--accent-gold); }
.cost-bg { background-color: var(--accent-blue); }

/* フォーム & 結果 */
.generator-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.form-group input {
    width: 100%;
    background-color: #1e283d;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, #f3c649, #d4af37);
    color: #0b0f19;
    font-weight: 700;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-gold-glow);
}

.result-box {
    background-color: #111726;
    border: 1px solid var(--accent-gold);
    border-radius: 12px;
    padding: 1.5rem;
}

.result-box h4 {
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.res-item {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.res-item strong {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.res-meta {
    display: flex;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.8rem;
    margin-top: 1rem;
    font-size: 0.85rem;
}