/* public/static/styles.css */
:root {
  --primary: #3182F6;
  --primary-dark: #1B64DA;
  --success: #0CC884;
  --danger: #F04452;
  --warning: #F5A623;
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --text: #191F28;
  --text-sub: #8B95A1;
  --border: #E5E8EB;
  --sidebar-w: 220px;
}

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

/* ── 레이아웃 ──────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); background: #fff;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 100;
}
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1; padding: 32px;
  min-height: 100vh;
}

/* ── 사이드바 ──────────────────────────────── */
.logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}
.logo h1 { font-size: 15px; font-weight: 700; color: var(--primary); }
.logo p  { font-size: 11px; color: var(--text-sub); margin-top: 2px; }

.nav-menu { flex: 1; padding: 12px 0; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px; cursor: pointer;
  color: var(--text-sub); font-size: 13px; font-weight: 500;
  border-radius: 8px; margin: 2px 8px;
  transition: all 0.15s;
}
.nav-item:hover  { background: #F2F4F6; color: var(--text); }
.nav-item.active { background: #EEF4FF; color: var(--primary); }
.nav-item i      { width: 16px; text-align: center; }

.engine-status {
  padding: 12px 16px;
  margin: 8px; border-radius: 12px;
  background: var(--bg);
}
.status-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; margin-right: 6px;
}
.status-dot.running { background: var(--success); box-shadow: 0 0 0 3px rgba(12,200,132,.2); }
.status-dot.stopped { background: var(--text-sub); }
.status-dot.paused  { background: var(--warning); }

/* ── 카드 ────────────────────────────────── */
.card {
  background: var(--card); border-radius: 16px;
  border: 1px solid var(--border); padding: 24px;
}
.card-sm { padding: 16px 20px; border-radius: 12px; }

/* ── 스탯 카드 ──────────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--card); border-radius: 16px;
  border: 1px solid var(--border); padding: 20px;
}
.stat-card .label { font-size: 12px; color: var(--text-sub); margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .change {
  font-size: 12px; margin-top: 4px;
  display: flex; align-items: center; gap: 4px;
}
.change.up   { color: var(--success); }
.change.down { color: var(--danger); }

/* ── 버튼 ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px; border-radius: 10px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-ghost   { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: #F2F4F6; }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── 배지 ────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}
.badge-success { background: #E8FAF2; color: #0CC884; }
.badge-danger  { background: #FEE8EA; color: #F04452; }
.badge-warning { background: #FEF3E2; color: #F5A623; }
.badge-info    { background: #EEF4FF; color: #3182F6; }
.badge-gray    { background: #F2F4F6; color: #8B95A1; }

/* ── 테이블 ──────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600;
  color: var(--text-sub); text-transform: uppercase;
  border-bottom: 1px solid var(--border); background: #FAFAFA;
}
td {
  padding: 13px 14px; font-size: 13px;
  border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FAFAFA; }

/* ── 폼 ─────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-sub); margin-bottom: 6px; }
.form-input {
  width: 100%; padding: 10px 14px; border-radius: 10px;
  border: 1px solid var(--border); font-size: 13px;
  background: #fff; outline: none;
  transition: border 0.15s;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(49,130,246,.1); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* ── 모달 ────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(4px);
  z-index: 1000; display: flex; align-items: center; justify-content: center;
}
.modal {
  background: #fff; border-radius: 20px;
  padding: 28px; width: 560px; max-width: 95vw;
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-title  { font-size: 17px; font-weight: 700; }
.modal-close  { cursor: pointer; color: var(--text-sub); font-size: 18px; }

/* ── 토스트 ──────────────────────────────── */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; border-radius: 12px;
  font-size: 13px; font-weight: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  margin-bottom: 8px; min-width: 260px;
  animation: slideIn 0.3s ease;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger);  color: #fff; }
.toast-info    { background: var(--primary); color: #fff; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── 진행바 ──────────────────────────────── */
.progress-bar { background: #E5E8EB; border-radius: 6px; height: 8px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 6px; transition: width 0.3s; }
.progress-fill.success { background: var(--success); }
.progress-fill.primary { background: var(--primary); }

/* ── 섹션 타이틀 ─────────────────────────── */
.section-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.section-sub   { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.page-header   { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }

/* ── 순위 차트 ──────────────────────────── */
.rank-chart-wrap { height: 200px; }
.rank-timeline {
  display: flex; gap: 4px; align-items: flex-end;
  height: 80px; margin-top: 12px;
}
.rank-bar {
  flex: 1; border-radius: 4px 4px 0 0;
  background: var(--primary); opacity: 0.7;
  transition: opacity 0.2s; position: relative;
}
.rank-bar:hover { opacity: 1; }
.rank-bar .tip {
  position: absolute; bottom: 100%; left: 50%;
  transform: translateX(-50%); white-space: nowrap;
  background: #191F28; color: #fff; padding: 4px 8px;
  border-radius: 6px; font-size: 11px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.rank-bar:hover .tip { opacity: 1; }

/* ── 빈 상태 ─────────────────────────────── */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-state i { font-size: 40px; color: var(--border); margin-bottom: 12px; }
.empty-state p { color: var(--text-sub); font-size: 14px; }

/* ── 로딩 스피너 ─────────────────────────── */
.spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 반응형 ──────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main-content { margin-left: 0; padding: 16px; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
}

/* ── IP 상태 표시 ─────────────────────────── */
.ip-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #EEF4FF; color: var(--primary);
  padding: 4px 10px; border-radius: 8px; font-size: 12px; font-weight: 600;
}
.log-row.success { border-left: 3px solid var(--success); }
.log-row.fail    { border-left: 3px solid var(--danger); }