:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: rgba(255,255,255,0.08);
  --text: #f0f0f0;
  --text2: #9099b3;
  --accent: #4f7bff;
  --accent-bg: rgba(79,123,255,0.12);
  --success: #2ecc8a;
  --success-bg: rgba(46,204,138,0.12);
  --danger: #e05c5c;
  --danger-bg: rgba(224,92,92,0.12);
  --warning: #f5a623;
  --warning-bg: rgba(245,166,35,0.12);
  --radius: 12px;
}

.light-mode {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface2: #eef0f7;
  --border: rgba(0,0,0,0.08);
  --text: #1a1d27;
  --text2: #6b7280;
  --accent: #3b63e8;
  --accent-bg: rgba(59,99,232,0.08);
  --success: #16a96b;
  --success-bg: rgba(22,169,107,0.10);
  --danger: #dc3545;
  --danger-bg: rgba(220,53,69,0.10);
  --warning: #d48806;
  --warning-bg: rgba(212,136,6,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif; background: var(--bg); color: var(--text); transition: background 0.3s; }

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

.sidebar { width: 220px; flex-shrink: 0; background: var(--surface); border-right: 0.5px solid var(--border); display: flex; flex-direction: column; padding: 1.25rem 0; position: fixed; height: 100vh; transition: background 0.3s; }
.sidebar-logo { padding: 0 1.25rem 1.25rem; border-bottom: 0.5px solid var(--border); margin-bottom: 0.75rem; display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 32px; height: 32px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.logo-icon i { font-size: 16px; color: #fff; }
.logo-name { font-size: 15px; font-weight: 600; color: var(--text); }
.nav-section { padding: 0 0.75rem; margin-bottom: 0.25rem; }
.nav-label { font-size: 10px; color: var(--text2); font-weight: 500; padding: 0.5rem 0.5rem 0.25rem; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px; font-size: 13px; color: var(--text2); cursor: pointer; transition: all 0.15s; margin-bottom: 2px; }
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--accent-bg); color: var(--accent); font-weight: 500; }
.nav-item i { font-size: 16px; }
.sidebar-bottom { margin-top: auto; padding: 0.75rem; border-top: 0.5px solid var(--border); }
.user-info { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.user-info:hover { background: var(--surface2); }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--accent-bg); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; color: var(--accent); }
.user-name { font-size: 13px; color: var(--text); font-weight: 500; }
.user-role { font-size: 11px; color: var(--text2); }

.main { flex: 1; margin-left: 220px; display: flex; flex-direction: column; min-height: 100vh; }
.topbar { height: 52px; background: var(--surface); border-bottom: 0.5px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 1.5rem; position: sticky; top: 0; z-index: 10; transition: background 0.3s; }
.topbar-title { font-size: 15px; font-weight: 600; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.date-badge { font-size: 12px; color: var(--text2); background: var(--surface2); border: 0.5px solid var(--border); border-radius: 20px; padding: 4px 12px; }
.theme-btn { background: var(--surface2); border: 0.5px solid var(--border); color: var(--text2); border-radius: 20px; padding: 4px 12px; font-size: 12px; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: all 0.2s; }
.theme-btn:hover { color: var(--text); border-color: var(--accent); }

.content { padding: 1.5rem; flex: 1; }

.btn { border: none; border-radius: 8px; padding: 7px 14px; font-size: 13px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #6b91ff; }
.btn-secondary { background: none; border: 0.5px solid var(--border); color: var(--text2); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border: 0.5px solid var(--danger); }

.card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 1.25rem; transition: background 0.3s; }

.form-field { margin-bottom: 1rem; }
.form-label { font-size: 12px; color: var(--text2); font-weight: 500; margin-bottom: 5px; display: block; }
.form-input { width: 100%; background: var(--surface2); border: 0.5px solid var(--border); border-radius: 8px; padding: 9px 12px; font-size: 13px; color: var(--text); outline: none; transition: border-color 0.2s; }
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text2); }
.form-select { width: 100%; background: var(--surface2); border: 0.5px solid var(--border); border-radius: 8px; padding: 9px 12px; font-size: 13px; color: var(--text); outline: none; cursor: pointer; }

.badge { display: inline-block; font-size: 11px; font-weight: 500; border-radius: 5px; padding: 2px 8px; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-accent { background: var(--accent-bg); color: var(--accent); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }

.table-wrap { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
.table-header { padding: 10px 14px; border-bottom: 0.5px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.table-title { font-size: 13px; font-weight: 500; color: var(--text); }
table { width: 100%; border-collapse: collapse; }
thead th { font-size: 11px; font-weight: 500; color: var(--text2); padding: 10px 12px; text-align: left; border-bottom: 0.5px solid var(--border); background: var(--surface2); white-space: nowrap; }
tbody tr { border-bottom: 0.5px solid var(--border); transition: background 0.15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface2); }
tbody td { font-size: 13px; color: var(--text); padding: 10px 12px; }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 1.5rem; width: 420px; max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.modal-title { font-size: 15px; font-weight: 600; color: var(--text); }
.modal-close { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 18px; }
.modal-close:hover { color: var(--text); }
.modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 1.25rem; }

.pos { color: var(--success); font-weight: 600; }
.neg { color: var(--danger); font-weight: 600; }
.muted { color: var(--text2); }
.zero { color: var(--text2); opacity: 0.4; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 2.5rem 2rem; width: 100%; max-width: 380px; }
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo-icon { width: 48px; height: 48px; background: var(--accent); border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.login-logo-icon i { font-size: 24px; color: #fff; }
.login-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.login-sub { font-size: 13px; color: var(--text2); }
.login-btn { width: 100%; background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 11px; font-size: 14px; font-weight: 600; cursor: pointer; margin-top: 0.5rem; transition: background 0.2s; }
.login-btn:hover { background: #6b91ff; }
.login-error { font-size: 12px; color: var(--danger); margin-top: 8px; text-align: center; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; gap: 8px; flex-wrap: wrap; }
.toolbar-left { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.search-wrap { position: relative; }
.search-wrap i { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font-size: 15px; color: var(--text2); }
.search-wrap input { background: var(--surface); border: 0.5px solid var(--border); border-radius: 8px; padding: 7px 12px 7px 32px; font-size: 13px; color: var(--text); outline: none; width: 180px; transition: border-color 0.2s; }
.search-wrap input:focus { border-color: var(--accent); }
.search-wrap input::placeholder { color: var(--text2); }
.filter-select { background: var(--surface); border: 0.5px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; color: var(--text2); outline: none; cursor: pointer; }

.summary-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin-bottom: 1.25rem; }
.summary-card { background: var(--surface); border: 0.5px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem; }
.sc-top { display: flex; align-items: baseline; gap: 5px; margin-bottom: 10px; }
.sc-code { font-size: 13px; font-weight: 700; color: var(--text); }
.sc-name { font-size: 11px; color: var(--text2); }
.sc-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.sc-label { font-size: 11px; color: var(--text2); }
.sc-in { font-size: 13px; font-weight: 600; color: var(--success); }
.sc-out { font-size: 13px; font-weight: 600; color: var(--danger); }
.sc-div { border: none; border-top: 0.5px solid var(--border); margin: 7px 0; }
.sc-netlabel { font-size: 11px; color: var(--text2); margin-bottom: 3px; }
.sc-net { font-size: 15px; font-weight: 600; color: var(--text); }
.sc-net.pos { color: var(--success); }
.sc-net.neg { color: var(--danger); }