:root {
  --navy: #1f4e78;
  --navy-dark: #163a58;
  --bg: #f4f6f8;
  --border: #d9dee3;
  --yellow: #fff2cc;
  --green: #e2efda;
  --text: #2b2f33;
  --muted: #6b7280;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 24px;
  padding: 10px 24px;
  min-height: 96px;
}

.topbar nav { display: flex; align-items: center; flex-wrap: wrap; row-gap: 6px; }

.topbar .brand { font-weight: 700; font-size: 17px; letter-spacing: 0.3px; display: flex; align-items: center; gap: 10px; }
.topbar-logo { height: 76px; width: auto; display: block; background: transparent; }
.login-box .login-logo { display: block; max-height: 110px; max-width: 320px; margin: 0 auto 10px; }

.topbar nav a {
  color: #dbe6f0;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.topbar nav a:hover, .topbar nav a.active {
  color: #fff;
  border-bottom-color: #fff;
}

.topbar .who { font-size: 13px; color: #cddcea; }

.container { max-width: 1100px; margin: 28px auto; padding: 0 20px; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

h1 { font-size: 22px; margin: 0 0 6px; color: var(--navy-dark); }
h2 { font-size: 16px; margin: 0 0 14px; color: var(--navy-dark); }
.subtitle { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

.stat-grid { display: flex; gap: 16px; }
.stat {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
}
.stat .num { font-size: 28px; font-weight: 700; color: var(--navy); }
.stat .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { background: var(--navy); color: #fff; font-weight: 600; font-size: 12.5px; }
tr:hover td { background: #f8fafc; }

input[type=text], input[type=password], input[type=number], select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 13.5px;
  width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  align-items: end;
  margin-bottom: 6px;
}
.form-grid label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 3px; }

button, .btn {
  background: var(--navy);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13.5px;
}
button:hover, .btn:hover { background: var(--navy-dark); }
button.danger, .btn.danger { background: #b3261e; }
button.danger:hover { background: #8f1e18; }
button.small { padding: 5px 10px; font-size: 12px; }

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
.login-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 36px 40px;
  width: 400px;
}
.login-box h1 { text-align: center; margin-bottom: 4px; }
.login-box .subtitle { text-align: center; }
.login-box label { font-size: 12px; color: var(--muted); display: block; margin: 12px 0 4px; }
.login-box button { width: 100%; margin-top: 18px; padding: 10px; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13.5px; }
.flash.success { background: var(--green); color: #1e5c2f; }
.flash.error { background: #fbe1df; color: #8f1e18; }

.search-bar { margin-bottom: 14px; display: flex; gap: 8px; }
.search-bar input { max-width: 280px; }

.legend { display: flex; gap: 18px; font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.legend .swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.upload-box {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
  background: #fafbfc;
  display: flex;
  align-items: center;
  gap: 14px;
}
.upload-box .hint, .hint { font-size: 12px; color: var(--muted); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 26px 20px;
  text-align: center;
  cursor: pointer;
  background: #fafbfc;
  transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover { border-color: var(--navy); }
.dropzone.dragover { border-color: var(--navy); background: #eaf1f9; }
.dropzone-icon { font-size: 28px; margin-bottom: 6px; }
.dropzone-browse { color: var(--navy); text-decoration: underline; font-weight: 600; }
.dropzone-filename { margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--navy-dark); }
code { background: #eef1f4; padding: 1px 6px; border-radius: 4px; }