:root {
    --bg-main: #f8fafc;        /* ¹è°æ: ¾ÆÁÖ ¹àÀº ±×·¹ÀÌ */
    --panel-bg: #ffffff;      /* ÆгÎ: ¼ø¹é»ö */
    --primary: #2563eb;       /* Æ÷ÀÎÆ®: ½Å·Ú°¨ ÀÖ´Â ºí·ç */
    --primary-dark: #1e40af;  /* Æ÷ÀÎÆ® °­Á¶ */
    --accent: #f59e0b;        /* ¾Ë¸²/ÁÖÀÇ: ¿À·»Áö °ñµå */
    --text-main: #1e293b;     /* º»¹®: ´ÙÅ© ½½·¹ÀÌÆ® */
    --text-muted: #64748b;    /* ºÎ¿¬¼³¸í: ¹ÂÆ® ±×·¹ÀÌ */
    --border: #e2e8f0;        /* °æ°è¼±: ¿¬ÇÑ ±×·¹ÀÌ */
    --header-bg: #0f172a;     /* Çì´õ: ¹Ìµå³ªÀÕ ´ÙÅ© ºí·ç */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
/* »ó´Ü Çì´õ ¿µ¿ª */
#header_civil {
    background-color: var(--header-bg);
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    color: white;
}

/* ·Î°í */
.logo_civil h1 a {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-decoration: none;
    display: flex;
    align-items: center;
}

/* ´ë¸Þ´º ³×ºñ°ÔÀÌ¼Ç */
.top_nav_civil ul {
    display: flex;
    gap: 10px;
    list-style: none;
}

.top_nav_civil ul li a {
    color: #94a3b8;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.top_nav_civil ul li a:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

/* ¿ìÃø À¯Æ¿¸®Æ¼ ¿µ¿ª */
.utill_civil {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user_profile {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.user_badge {
    background: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.btn_logout {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ef4444;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.btn_logout:hover {
    background-color: #ef4444;
    color: #fff;
}

/* ´ë½Ãº¸µå ÄÁÅ×ÀÌ³Ê */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    padding: 20px;
}

/* °³º° Ä«µå ½ºÅ¸ÀÏ */
.stat-card {
    background: var(--panel-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Ä«µå Á¦¸ñ */
.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Ä«µå ¼ýÀÚ */
.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.stat-value span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
}

/* »óź° Æ÷ÀÎÆ® Ä÷¯ (¾ÆÀÌÄÜÀ̳ª ¹Ù´Ú¼±¿¡ È°¿ë) */
.card-blue { border-top: 4px solid var(--primary); }
.card-orange { border-top: 4px solid var(--accent); }
.card-green { border-top: 4px solid #10b981; }
.card-red { border-top: 4px solid #ef4444; }



/* ±âÁ¸ ºÒÇÊ¿äÇÑ ½ºÅ¸ÀÏ ÃʱâÈ­ */
.btn_re { background: var(--bg-main) !important; }
.btn_ab, .btn_ab_c { background-color: var(--header-bg) !important; }
:root {
    --bg-main: #f1f5f9;
    --panel-bg: #ffffff;
    --primary: #2563eb;
    --header-bg: #0f172a;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --sidebar-width: 260px;
    --header-height: 70px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Pretendard', sans-serif; background: var(--bg-main); color: var(--text-main); overflow: hidden; }

/* ·¹À̾ƿô ±¸Á¶ */
#admin_container { display: flex; flex-direction: column; height: 100vh; }
#main_body { display: flex; flex: 1; overflow: hidden; }

/* »çÀ̵å¹Ù */
#sidebar { 
    width: var(--sidebar-width); 
    background: var(--panel-bg); 
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

/* ¸ÞÀÎ ÄÁÅÙÃ÷ (ÅÇ ¿µ¿ª) */
#content_area { 
    flex: 1; 
    padding: 20px; 
    overflow-y: auto; 
    background: var(--bg-main);
}

/* Å×ÀÌºí ¹× Ä«µå °øÅë */
.card {
    background: var(--panel-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 20px;
}