:root{
  --primary:#02154e;
  --accent:#f9ba00;
  --green:#005530;
  --red:#D51635;
  --navy:#02154e;
  --orange:#f9ba00;
  --bg:#f6f7f9;
  --card:#ffffff;
  --muted:#8a94a6;
  --border:#e6e8ee;
}
*{box-sizing:border-box}
body{margin:0;padding-top:4px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:#1b2430}

/* Header */
.app-header {
  background: #ffffff;
  color: var(--primary);
  padding: 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-bottom: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.title {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
}

.title-at { color: var(--accent); }

.zero-color-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, 
      var(--green) 0%, var(--green) 25%, 
      var(--red) 25%, var(--red) 50%, 
      var(--primary) 50%, var(--primary) 75%, 
      var(--accent) 75%, var(--accent) 100%);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
}

.header-left, .brand{display:flex; align-items:center; gap:12px}
.brand img { height: 50px; }
.subtitle{font-size:12px;color:var(--muted)}

/* Buttons */
.btn{height:40px;padding:0 14px;border:1px solid transparent;border-radius:10px;background:var(--green);color:#fff;font-weight:600;cursor:pointer;transition:all 0.2s; text-decoration: none; display: inline-flex; align-items: center; justify-content: center;}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,85,48,0.3)}

/* Layout */
.container{max-width:1200px;margin:18px auto;padding:0 18px}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,0.05);transition:transform 0.2s; margin-bottom: 24px;}
.card:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,0.1)}

.row{display:flex; gap:16px; flex-wrap: wrap;}

/* Typography */
h3{margin-top:0; margin-bottom: 8px;}
.muted{color:var(--muted); font-size: 0.9rem;}