:root {
  --bg-main: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #0f172a;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-active: #1d4ed8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  padding: 16px;
}

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

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

h1 { font-size: 1.5rem; font-weight: 700; }

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

.card-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

@media (max-width: 768px) {
  .grid-2, .specs-grid { grid-template-columns: 1fr !important; }
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.spec-card {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
  font-size: 0.85rem;
}

.spec-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

.spec-card p { margin-bottom: 4px; color: var(--text-muted); }
.spec-card strong { color: var(--text-main); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}

.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-valid { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-expired { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }
.badge-warning { background-color: rgba(245, 158, 11, 0.2); color: var(--warning); }

.btn {
  min-height: 44px;
  min-width: 44px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  background-color: var(--primary);
  color: #fff;
  transition: all 0.15s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn:hover { background-color: var(--primary-hover); }
.btn:active { background-color: var(--primary-active); transform: scale(0.98); }
.btn-secondary { background-color: #334155; color: var(--text-main); }
.btn-secondary:hover { background-color: #475569; }
.btn-secondary:active { background-color: #1e293b; }
.btn-danger { background-color: var(--danger); }
.btn-danger:hover { background-color: #dc2626; }
.btn-danger:active { background-color: #b91c1c; }

input[type="text"],
input[type="password"],
select,
textarea {
  min-height: 44px;
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 12px;
  font-family: inherit;
}

textarea { min-height: 120px; font-family: monospace; font-size: 0.85rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }

.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border-color); }
th { color: var(--text-muted); font-weight: 600; }

.tasks-toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.filter-group { flex: 1; min-width: 130px; }
.filter-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}
.filter-group select { margin-bottom: 0; }
.task-snippet {
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.preview-shot {
  max-width: 100%;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  margin-top: 12px;
}