:root {
  --bg: #0b1220;
  --card: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #e7eaf0;
  --muted: rgba(255, 255, 255, 0.65);
  --primary: #4f8cff;
  --danger: #ff4d4d;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --font: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(circle at top left, #172554, #0b1220 55%);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

.header {
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: 0.4px;
}

.header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.toolbar {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.input {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  outline: none;
  font-size: 14px;
  width: 240px;
}

.input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.textarea {
  min-height: 90px;
  resize: vertical;
}

.btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
}

.btn.primary {
  border: 1px solid rgba(79, 140, 255, 0.6);
  background: rgba(79, 140, 255, 0.18);
}

.btn.primary:hover {
  background: rgba(79, 140, 255, 0.28);
}

.btn.danger {
  border: 1px solid rgba(255, 77, 77, 0.6);
  background: rgba(255, 77, 77, 0.12);
}

.btn.danger:hover {
  background: rgba(255, 77, 77, 0.2);
}

.grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  transition: 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.skill-name {
  margin: 0;
  font-size: 18px;
}

.category {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.badge {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

.progress-wrap {
  margin-top: 14px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.progress-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), #7dd3fc);
  border-radius: 999px;
}

.notes {
  margin-top: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.icon-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
}

.icon-btn:hover {
  color: var(--text);
}

.empty {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
}

.hidden {
  display: none;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}

.modal {
  width: 100%;
  max-width: 520px;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(14px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  font-size: 18px;
}

.form {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

.footer {
  margin-top: 40px;
  padding: 20px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  border-top: 1px solid var(--border);
}