:root {
  --bg-dark: #080808;
  --bg-panel: #111111;
  --bg-card: #181818;
  --text-main: #FFFFFF;
  --text-muted: #888888;
  --border: #222222;
  --accent: #5E6AD2;
  --accent-hover: #737EE0;
  
  --status-green: #2ecc71;
  --status-green-bg: rgba(46, 204, 113, 0.15);
  --status-blue: #3498db;
  --status-blue-bg: rgba(52, 152, 219, 0.15);
  --status-orange: #f39c12;
  --status-orange-bg: rgba(243, 156, 18, 0.15);
  
  --sidebar-width: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', 'Pretendard', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; bottom: 0; left: 0;
}

.sidebar-logo {
  padding: 32px 24px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo-b { color: var(--accent); }
.logo-lab { color: var(--text-main); }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: 0 16px;
  gap: 8px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-item svg { width: 18px; height: 18px; }

.nav-item:hover, .nav-item.active {
  color: var(--text-main);
  background-color: rgba(255,255,255,0.03);
}

.nav-item.active {
  background-color: var(--accent);
}

.badge {
  background-color: #e74c3c;
  color: white;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: auto;
  font-weight: 700;
}

.sidebar-bottom {
  padding: 24px 16px;
  border-top: 1px solid var(--border);
}

.logout { color: #e74c3c; }

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

/* Topbar */
.topbar {
  height: 80px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background-color: var(--bg-dark);
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: var(--bg-panel);
  padding: 10px 16px;
  border-radius: 8px;
  width: 300px;
  border: 1px solid var(--border);
}
.search-bar svg { width: 16px; height: 16px; color: var(--text-muted); }
.search-bar input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 14px;
  width: 100%;
  outline: none;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 16px;
}
.user-info {
  display: flex;
  flex-direction: column;
  text-align: right;
}
.user-name { font-weight: 600; font-size: 14px; }
.clinic-name { color: var(--text-muted); font-size: 12px; }
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #9b59b6);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}

/* Dashboard Content */
.dashboard-content {
  padding: 40px;
  max-width: 1200px;
}

.page-title h1 { font-size: 28px; font-weight: 700; margin-bottom: 8px; }
.page-title p { color: var(--text-muted); font-size: 15px; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.stat-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.stat-icon {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.stat-icon svg { width: 24px; height: 24px; }
.stat-icon.blue { background-color: var(--status-blue-bg); color: var(--status-blue); }
.stat-icon.orange { background-color: var(--status-orange-bg); color: var(--status-orange); }
.stat-icon.green { background-color: var(--status-green-bg); color: var(--status-green); }

.stat-info h3 { font-size: 14px; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.stat-info h2 { font-size: 28px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.badge-text { font-size: 11px; background: var(--status-orange-bg); color: var(--status-orange); padding: 4px 8px; border-radius: 4px; }

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.panel {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.panel-header h2 { font-size: 18px; font-weight: 600; }
.btn-text { background: none; border: none; color: var(--accent); cursor: pointer; font-weight: 500; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding-bottom: 16px; color: var(--text-muted); font-size: 13px; font-weight: 500; border-bottom: 1px solid var(--border); }
td { padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 14px; }
.text-sm { font-size: 12px; color: var(--text-muted); }

.status-badge {
  padding: 6px 10px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.status-review { background: var(--status-orange-bg); color: var(--status-orange); }
.status-milling { background: var(--status-blue-bg); color: var(--status-blue); }
.status-shipped { background: var(--status-green-bg); color: var(--status-green); }

/* Action Card */
.action-card {
  background-color: var(--bg-card);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--status-orange);
}
.action-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--status-orange); margin-bottom: 12px; font-weight: 600; }
.action-card h3 { font-size: 16px; margin-bottom: 8px; }
.action-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 16px; }

.mock-3d-viewer {
  width: 100%; height: 160px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.5);
}
.viewer-text { font-size: 12px; color: rgba(255,255,255,0.3); font-weight: 500; }

.action-buttons {
  display: flex; gap: 12px;
}
.action-buttons button {
  flex: 1; padding: 10px; border-radius: 6px; font-weight: 600; font-size: 13px;
  display: flex; align-items: center; justify-content: center; gap: 6px; cursor: pointer; border: none;
}
.action-buttons button svg { width: 16px; height: 16px; }
.btn-approve { background: var(--accent); color: white; }
.btn-approve:hover { background: var(--accent-hover); }
.btn-revise { background: transparent; border: 1px solid var(--border) !important; color: var(--text-main); }
.btn-revise:hover { background: rgba(255,255,255,0.05); }

/* Responsive basics */
@media (max-width: 1024px) {
  .content-grid { grid-template-columns: 1fr; }
}