:root {
  --bg: #f8fafc;
  --card: rgba(255, 255, 255, 0.9);
  --border: #e5e7eb;

  --primary: #2563eb;
  --primary-light: #eff6ff;

  --danger: #ef4444;

  --text: #0f172a;
  --muted: #64748b;

  --radius: 16px;
  --blur: blur(12px);
}


* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", "Segoe UI", sans-serif;
}

body {
  background: linear-gradient(135deg, #eef2ff, #f8fafc);
  color: var(--text);
  min-height: 100vh;
}


.container {
  width: 92%;
  max-width: 1200px;
  margin: auto;
}

header {
  padding: 32px 0;
  text-align: center;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
}

header p {
  color: var(--muted);
  margin-top: 6px;
}

.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .grid {
    grid-template-columns: 360px 1fr;
  }
}


.card {
  background: var(--card);
  backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;

  box-shadow:
    0 10px 25px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.4);

  transition: all 0.25s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 35px rgba(0,0,0,0.08);
}

.card h2 {
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.row {
  margin-bottom: 16px;
  display: grid;
  gap: 8px;
}

.row label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.row.two {
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

input {
  width: 100%;
  padding: 12px 14px;

  border-radius: 12px;
  border: 1px solid var(--border);

  background: white;
  font-size: 0.9rem;

  transition: 0.2s ease;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
  margin-top: 10px;
  padding: 11px 16px;
  border-radius: 12px;
  border: none;

  font-weight: 500;
  font-size: 0.9rem;

  background: var(--primary);
  color: white;

  cursor: pointer;
  transition: 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

button:active {
  transform: scale(0.97);
}

button.secondary {
  background: var(--primary-light);
  color: var(--primary);
}

button.secondary:hover {
  background: #dbeafe;
}

button.dangerTop {
  background: #fee2e2;
  color: var(--danger);
}

button.dangerTop:hover {
  background: #fecaca;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 6px;
}

.msg {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary);
  min-height: 20px;
}

.tableWrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 850px;
  background: white;
}

thead {
  background: var(--primary-light);
}

th {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.85rem;
}

tbody tr {
  transition: 0.15s ease;
}

tbody tr:hover {
  background: #f8fafc;
}


.summary {
  margin-top: 22px;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (min-width: 700px) {
  .summary {
    grid-template-columns: repeat(4, 1fr);
  }
}


.sumBox {
  background: var(--primary-light);
  border: 1px solid #dbeafe;

  padding: 14px;
  border-radius: 14px;

  text-align: center;
}

.sumBox .label {
  font-size: 0.8rem;
  color: var(--muted);
}

.sumBox .value {
  margin-top: 4px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.sumBox.highlight {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
}

.sumBox.highlight .value,
.sumBox.highlight .label {
  color: white;
}

.footer {
  text-align: center;
  padding: 28px 0;
  color: var(--muted);
  font-size: 0.8rem;
}