@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700&family=JetBrains+Mono:wght@400;600&display=swap');
:root {
    --bg-primary:#f0f4f8; --bg-secondary:#ffffff; --bg-card:#ffffff; --bg-hover:#e8eef5;
    --accent:#4f46e5; --accent-light:#6366f1; --accent-green:#059669; --accent-red:#dc2626;
    --accent-yellow:#d97706; --accent-blue:#2563eb; --text-primary:#1e293b;
    --text-secondary:#475569; --text-muted:#94a3b8; --border:#e2e8f0; --sidebar-width:240px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Noto Sans KR',sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;}
.layout{display:flex;min-height:100vh;}
.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;}
.sidebar-logo{padding:24px 20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);}
.logo-icon{font-size:24px;}
.logo-text{font-size:16px;font-weight:700;background:linear-gradient(135deg,var(--accent-light),var(--accent-green));-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;gap:2px;}
.nav-item{display:flex;align-items:center;gap:12px;padding:7px 12px;border-radius:8px;color:var(--text-secondary);text-decoration:none;font-size:14px;transition:all 0.2s;}
.nav-item:hover{background:var(--bg-hover);color:var(--text-primary);}
.nav-item.active{background:var(--accent);color:white;}
.nav-icon{font-size:18px;width:24px;text-align:center;}
.sidebar-footer{padding:12px;border-top:1px solid var(--border);}
.nav-item.logout:hover{background:rgba(239,68,68,0.15);color:var(--accent-red);}
.main-content{margin-left:var(--sidebar-width);flex:1;padding:32px;min-height:100vh;}
.content-wrapper{max-width:1200px;}
.page-header{display:flex;align-items:baseline;gap:12px;margin-bottom:28px;}
.page-title{font-size:24px;font-weight:700;}
.page-subtitle{color:var(--text-muted);font-size:14px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px;}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;align-items:center;gap:16px;transition:transform 0.2s;}
.stat-card:hover{transform:translateY(-2px);}
.stat-card.ai{border-color:rgba(99,102,241,0.4);}
.stat-card.forward{border-color:rgba(16,185,129,0.4);}
.stat-card.blocked{border-color:rgba(239,68,68,0.4);}
.stat-icon{font-size:32px;}
.stat-number{font-size:32px;font-weight:700;line-height:1;}
.stat-label{color:var(--text-muted);font-size:13px;margin-top:4px;}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px;}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.card-title{font-size:16px;font-weight:600;margin-bottom:16px;}
.card-header .card-title{margin-bottom:0;}
.content-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:20px;}
.chart-container{height:200px;}
.category-list{display:flex;flex-direction:column;gap:10px;}
.category-item{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--bg-hover);border-radius:8px;}
.category-count{font-weight:600;color:var(--accent-light);font-family:'JetBrains Mono',monospace;}
.data-table{width:100%;border-collapse:collapse;font-size:14px;}
.data-table th{text-align:left;padding:10px 12px;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border);font-size:13px;}
.data-table td{padding:12px 12px;border-bottom:1px solid rgba(45,49,73,0.5);vertical-align:middle;}
.data-table tr:hover td{background:var(--bg-hover);}
.data-table .phone{font-family:'JetBrains Mono',monospace;font-size:13px;}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;}
.badge-answered{background:rgba(16,185,129,0.2);color:var(--accent-green);}
.badge-forwarded{background:rgba(59,130,246,0.2);color:var(--accent-blue);}
.badge-voicemail{background:rgba(245,158,11,0.2);color:var(--accent-yellow);}
.badge-blocked{background:rgba(239,68,68,0.2);color:var(--accent-red);}
.badge-ai_handled{background:rgba(99,102,241,0.2);color:var(--accent-light);}
.badge-missed{background:rgba(100,116,139,0.2);color:var(--text-muted);}
.btn-link{color:var(--accent-light);text-decoration:none;font-size:14px;}
.btn-link:hover{color:white;}
.btn-sm{display:inline-block;padding:4px 12px;background:var(--bg-hover);border:1px solid var(--border);border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:12px;cursor:pointer;transition:all 0.2s;}
.btn-sm:hover{background:var(--accent);color:white;border-color:var(--accent);}
.btn{display:inline-block;padding:8px 20px;background:var(--accent);color:white;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;transition:all 0.2s;}
.btn:hover{background:var(--accent-light);}
.btn-danger{background:var(--accent-red);color:white;}
.form-group{margin-bottom:16px;}
.form-label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px;}
.form-control{width:100%;padding:10px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;font-family:'Noto Sans KR',sans-serif;transition:border-color 0.2s;}
.form-control:focus{outline:none;border-color:var(--accent);}
textarea.form-control{resize:vertical;min-height:80px;}
.search-bar{display:flex;gap:12px;margin-bottom:20px;align-items:center;flex-wrap:wrap;}
.search-bar .form-control{flex:1;min-width:200px;}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);}
.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;width:100%;max-width:400px;}
.login-title{text-align:center;margin-bottom:32px;}
.login-title .logo-icon{font-size:48px;display:block;margin-bottom:12px;}
.login-title h1{font-size:22px;font-weight:700;}
.login-title p{color:var(--text-muted);font-size:14px;margin-top:4px;}
.error-msg{background:rgba(239,68,68,0.15);border:1px solid rgba(239,68,68,0.3);color:var(--accent-red);padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:16px;}
.empty-msg{color:var(--text-muted);text-align:center;padding:20px;font-size:14px;}
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:1000;align-items:center;justify-content:center;}
.modal-overlay.show{display:flex;}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:32px;width:100%;max-width:500px;}
.modal-title{font-size:18px;font-weight:600;margin-bottom:24px;}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:24px;}
.btn-outline{padding:8px 20px;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);font-size:14px;cursor:pointer;}
.btn-outline:hover{background:var(--bg-hover);}
select.form-control option{background:var(--bg-card);}