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

body {
  font-family: system-ui, sans-serif;
  background: #f4f6f9;
  color: #1a1a2e;
}

header {
  background: #1a1a2e;
  color: #fff;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header h1 { font-size: 1.25rem; font-weight: 600; }
#userBadge { font-size: 0.8rem; opacity: 0.65; }

main { max-width: 1200px; margin: 0 auto; padding: 2rem; }

.loading {
  text-align: center;
  padding: 4rem;
  color: #666;
  font-size: 0.95rem;
}

.error-banner {
  background: #fed7d7;
  color: #c53030;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}
.stat .value { font-size: 2rem; font-weight: 700; }
.stat .label { font-size: 0.75rem; color: #666; margin-top: .25rem; text-transform: uppercase; letter-spacing: .05em; }
.stat.danger .value { color: #e53e3e; }
.stat.warn   .value { color: #d69e2e; }
.stat.good   .value { color: #38a169; }

.card {
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
  margin-bottom: 2rem;
}
.card h2 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; color: #333; }

.chart-wrap { position: relative; height: 280px; }

.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.filters select,
.filters input[type="search"] {
  padding: .45rem .75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: .875rem;
  background: #fff;
}
.filters input[type="search"] { min-width: 200px; }
.filters label { display: flex; align-items: center; gap: .4rem; font-size: .875rem; cursor: pointer; }

table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th {
  text-align: left;
  padding: .6rem .75rem;
  border-bottom: 2px solid #e2e8f0;
  color: #666;
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
th:hover { color: #333; }
td { padding: .6rem .75rem; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f9fafb; }

.badge {
  display: inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 600;
}
.badge.missing  { background: #fed7d7; color: #c53030; }
.badge.late     { background: #fefcbf; color: #975a16; }
.badge.ok       { background: #c6f6d5; color: #276749; }
.badge.ng       { background: #e2e8f0; color: #4a5568; }
.badge.flagged  { background: #e9d8fd; color: #6b21a8; }
.badge.resolved { background: #c6f6d5; color: #276749; }

.score-bar { display: flex; align-items: center; gap: .5rem; }
.score-bar .bar { flex: 1; height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.score-bar .fill { height: 100%; border-radius: 3px; }
.score-bar .pct { font-size: .8rem; font-weight: 600; min-width: 2.5rem; text-align: right; }

.flag-info {
  font-size: .75rem;
  color: #6b21a8;
  margin-top: .25rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.flag-info .flag-days { color: #888; }

.btn-flag {
  font-size: .75rem;
  padding: .25rem .6rem;
  border-radius: 6px;
  border: 1px solid #d69e2e;
  background: #fffff0;
  color: #975a16;
  cursor: pointer;
  white-space: nowrap;
}
.btn-flag:hover { background: #fefcbf; }

.btn-resolve {
  font-size: .75rem;
  padding: .25rem .6rem;
  border-radius: 6px;
  border: 1px solid #38a169;
  background: #f0fff4;
  color: #276749;
  cursor: pointer;
  white-space: nowrap;
}
.btn-resolve:hover { background: #c6f6d5; }

#tableCount { font-size: .8rem; color: #666; margin-top: .75rem; text-align: right; }

/* Modal */
dialog {
  border: none;
  border-radius: 12px;
  padding: 2rem;
  max-width: 480px;
  width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
}
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.flag-assignment-name { font-size: .875rem; color: #555; margin-bottom: 1.25rem; }
dialog label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .4rem; }
dialog textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: .875rem;
  font-family: inherit;
  resize: vertical;
  margin-bottom: 1.25rem;
}
.modal-actions { display: flex; justify-content: flex-end; gap: .75rem; }
.btn-primary {
  padding: .5rem 1.25rem;
  border-radius: 6px;
  border: none;
  background: #1a1a2e;
  color: #fff;
  font-size: .875rem;
  cursor: pointer;
}
.btn-primary:hover { background: #2d2d4e; }
.btn-secondary {
  padding: .5rem 1.25rem;
  border-radius: 6px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: .875rem;
  cursor: pointer;
}
.btn-secondary:hover { background: #f4f6f9; }