/* assets/css/style.css - simple layout */
:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --accent: #2b6cb0;
  --text: #222222;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* topbar */
.topbar {
  background: #ffffff;
  border-bottom: 1px solid #e6e9ee;
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .container {
  max-width: 1800px;
  margin: 0 auto;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 0 16px;
}
.brand {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
}
.nav { display:flex; gap:12px; margin-left: 12px; flex: 1; }
.nav a {
  text-decoration: none;
  color: #333;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
}
.nav a:hover { background: #f0f4fb; color: var(--accent); }

.user-area { display:flex; align-items:center; gap:10px; }
.user-name { font-size: 14px; color:#444; }
.logout { text-decoration:none; color:#fff; background:var(--accent); padding:6px 10px; border-radius:6px; font-size:13px; }

/* container & main */
.container { max-width: 1800px; margin: 0 auto; padding: 18px; }
.main { padding-top: 18px; }

/* dashboard */
.dashboard h2 { margin: 6px 0 12px 0; font-size: 20px; }
.cards { display:flex; gap:14px; flex-wrap:wrap; }
.card {
  flex: 1 1 240px;
  background: var(--card);
  border-radius: 10px;
  padding: 18px;
  box-shadow: 0 4px 12px rgba(18,22,30,0.04);
}
.card-title { color:#666; font-size:13px; margin-bottom:8px; }
.card-value { font-size:28px; font-weight:700; color:var(--accent); }

/* login */
.login-page { display:flex; align-items:center; justify-content:center; min-height:100vh; }
.login-box {
  width: 360px;
  background: #fff;
  padding: 24px;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(11,16,27,0.06);
  text-align: left;
}
.login-box h1 { margin: 0 0 12px 0; font-size:20px; color:var(--accent); }
.login-box label { display:block; margin-top:10px; font-size:13px; color:#555; }
.login-box input { width:100%; padding:10px; margin-top:6px; border:1px solid #e6e9ee; border-radius:6px; }
.btn {
  display:inline-block;
  margin-top:14px;
  padding:10px 14px;
  background: var(--accent);
  color:#fff;
  border:none;
  border-radius:8px;
  cursor:pointer;
  font-weight:600;
}
.alert.error { background:#ffe9e9; color:#8a1f1f; padding:8px; border-radius:6px; margin-bottom:10px; }

/* footer */
.site-footer { padding: 18px; text-align:center; color:#666; font-size:13px; border-top:1px solid #eee; margin-top:40px; background:transparent; }
.small-note { margin-top:18px; color:#666; font-size:13px; }