/* ========================================
   Dance Forrest Design System - Color Tokens
   ======================================== */
:root {
    /* Brand Colors - Dark Mode */
    --color-brand-green: #1a5c38;        /* 딥그린 (메인 브랜드) */
    --color-brand-green-light: #22703f;  /* 밝은 그린 (hover) */
    --color-brand-gold: #c9973a;         /* 골드 (포인트) */
    --color-brand-gold-light: #e8b84b;   /* 밝은 골드 (hover) */
    --color-brand-white: #f0ede8;        /* 따뜻한 화이트 */

    /* Background */
    --color-bg-base: #0d1f17;            /* 가장 어두운 배경 (짙은 숲녹색) */
    --color-bg-surface: #132a1e;         /* 카드/패널 배경 */
    --color-bg-elevated: #1a3a28;        /* 모달/드롭다운 배경 */
    --color-bg-hover: #1f4530;           /* hover 상태 배경 */

    /* Text */
    --color-text-primary: #e8f0eb;       /* 기본 텍스트 */
    --color-text-secondary: #a8bfae;     /* 보조 텍스트 */
    --color-text-muted: #6b8f76;         /* 흐린 텍스트 */

    /* Border */
    --color-border: #1f3d2a;
    --color-border-light: #2a5038;

    /* Status */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Typography */
    --font-sans: "Segoe UI", "Noto Sans KR", Arial, sans-serif;
    --font-display: "Playfair Display", "Noto Serif KR", Georgia, serif;

    /* Shadow */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.6);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg-base);
    color: var(--color-text-primary);
}

a {
    color: var(--color-brand-gold);
    text-decoration: none;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.ops-layout {
    padding: 28px 0;
}

.panel {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 16px;
}

.btn {
    border: 0;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    background: var(--color-brand-green);
    color: var(--color-brand-white);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn:hover {
    background: var(--color-brand-green-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn.secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-light);
}

.btn.secondary:hover {
    background: var(--color-bg-hover);
}

.btn.gold {
    background: var(--color-brand-gold);
    color: #1a1a1a;
}

.btn.gold:hover {
    background: var(--color-brand-gold-light);
}

.btn.danger {
    background: var(--color-danger);
    color: #fff;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

input, select, textarea {
    width: 100%;
    padding: 10px 12px;
    margin-top: 6px;
    margin-bottom: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    border-bottom: 1px solid var(--color-border);
    padding: 10px 8px;
    text-align: left;
}

/* Topbar Navigation */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-elevated);
    border-bottom: 2px solid var(--color-brand-gold);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 64px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

.topbar .brand {
    display: flex;
    align-items: center;
    height: 100%;
    margin-right: auto;
}

.topbar .nav {
    display: flex;
    gap: 2rem;
    align-items: center;
    height: 100%;
}

.topbar .nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}

.topbar .nav a:hover,
.topbar .nav a.active {
    color: var(--color-brand-gold);
    background: rgba(201, 151, 58, 0.1);
}

@media (max-width: 768px) {
    .topbar {
        padding: 0 1rem;
    }

    .topbar .nav {
        gap: 1rem;
    }

    .topbar .nav a {
        font-size: 0.85rem;
        padding: 0.3rem 0.6rem;
    }
}