:root {
  --font-ui: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --color-bg: #f4f8fb;
  --color-surface: #ffffff;
  --color-surface-alt: #eef3f8;
  --color-text: #17324d;
  --color-text-muted: #496782;
  --color-primary: #2A2D64;
  --color-primary-strong: #1B1E4A;
  --color-secondary: #3D4F8A;
  --color-tertiary: #6A86C2;
  --color-success: #228658;
  --color-warning: #a66b00;
  --color-danger: #ba3e3e;
  --border-soft: #d8e3ee;
  --shadow-soft: 0 8px 26px rgba(23, 50, 77, 0.1);
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui);
  background: radial-gradient(circle at 15% 15%, #d8ecf8 0%, #f4f8fb 35%, #edf3f8 100%);
  color: var(--color-text);
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.shell {
  width: min(980px, 100%);
  background: var(--color-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.header {
  padding: 20px 24px;
  background: linear-gradient(95deg, var(--color-primary), var(--color-secondary), var(--color-tertiary));
  color: #ffffff;
}

.header h1 {
  margin: 0;
  font-size: 1.35rem;
}

.header p {
  margin: 6px 0 0;
  color: #d3ebf8;
}

.content {
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  background: var(--color-surface-alt);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 16px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

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

.input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid #b8cadb;
  border-radius: 8px;
  background: #ffffff;
  color: var(--color-text);
}

.input:focus {
  outline: 2px solid #66add4;
  border-color: #66add4;
}

.button {
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--color-secondary);
  color: #ffffff;
  transition: background 0.15s ease;
}

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

.button:active {
  background: var(--color-primary-strong);
}

.button.primary {
  background: var(--color-primary);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--color-primary-strong);
}

.badge {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge.done {
  background: #d7f3e7;
  color: var(--color-success);
}

.badge.inprogress {
  background: #ffedcc;
  color: var(--color-warning);
}

.badge.notstarted {
  background: #ffe2e2;
  color: var(--color-danger);
}

.muted {
  color: var(--color-text-muted);
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed #ccd9e4;
  flex-direction: column;
}

.row:last-child {
  border-bottom: none;
}

.hidden {
  display: none !important;
}

.error {
  margin-top: 10px;
  color: var(--color-danger);
  font-weight: 600;
}