:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--cs-font-family);
  background: var(--cs-bg);
  color: var(--cs-text);
  line-height: 1.5;
}

.cs-shell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--cs-space-3);
  padding: var(--cs-space-4) var(--cs-space-5);
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  border-radius: var(--cs-container-radius);
  overflow: hidden;
  width: var(--cs-container-width);
  margin-inline: auto;
}

.cs-shell-brand {
  text-decoration: none;
  color: var(--cs-text);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.cs-shell-nav {
  display: flex;
  gap: var(--cs-space-3);
  flex-wrap: wrap;
}

.cs-shell-link {
  text-decoration: none;
  color: #2c4a6e;
  font-weight: 600;
}

.cs-shell-link:hover,
.cs-shell-link:focus-visible {
  color: var(--cs-brand-primary);
}

.cs-shell-main {
  width: var(--cs-container-width);
  margin: var(--cs-space-6) auto;
  display: grid;
  gap: var(--cs-space-5);
}

.cs-shell-card {
  background: #fff;
  border-radius: var(--cs-container-radius);
  padding: var(--cs-space-5);
  box-shadow: 0 12px 30px rgba(10, 102, 194, 0.08);
}

.cs-shell-title {
  margin: 0 0 var(--cs-space-2);
  font-size: clamp(1.25rem, 3vw, 1.8rem);
}

.cs-shell-subtitle {
  margin: 0;
  color: #4a6a88;
}

.cs-shell-form {
  margin-top: var(--cs-space-4);
  display: grid;
  gap: var(--cs-space-3);
}

.cs-shell-field {
  display: grid;
  gap: var(--cs-space-1);
}

.cs-shell-field label {
  font-weight: 600;
}

.cs-shell-field input,
.cs-shell-field select {
  border: 1px solid #c8d8ea;
  border-radius: 0.75rem;
  padding: 0.75rem;
  font: inherit;
  background: #fff;
}

.cs-shell-field input:focus-visible,
.cs-shell-field select:focus-visible {
  outline: 2px solid rgba(10, 108, 255, 0.35);
  outline-offset: 1px;
}

.cs-shell-actions {
  display: flex;
  gap: var(--cs-space-2);
  flex-wrap: wrap;
}

.cs-shell-button {
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.cs-shell-button-primary {
  background: linear-gradient(90deg, var(--cs-brand-primary), var(--cs-brand-accent));
  color: #fff;
}

.cs-shell-button-secondary {
  background: #e9f3ff;
  color: var(--cs-brand-primary);
}

.cs-shell-meta {
  margin-top: var(--cs-space-3);
  font-size: 0.95rem;
  color: #4a6a88;
}

.cs-shell-badge {
  display: inline-flex;
  margin-top: var(--cs-space-3);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #e9f3ff;
  color: var(--cs-brand-primary);
  font-weight: 700;
  font-size: 0.92rem;
}

.cs-shell-status {
  margin-top: var(--cs-space-3);
  border-radius: 0.75rem;
  padding: 0.7rem 0.9rem;
  background: #f2f8ff;
  color: #21496f;
}

.cs-shell-status[data-state="error"] {
  background: #ffeaea;
  color: #832020;
}

.cs-shell-status[data-state="success"] {
  background: #e9fff2;
  color: #1f6a3b;
}

.cs-shell-grid {
  display: grid;
  gap: var(--cs-space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.cs-shell-tile {
  background: #fff;
  border-radius: var(--cs-container-radius);
  border: 1px solid #dbe8f6;
  padding: var(--cs-space-4);
}

.cs-shell-lock {
  border: 1px dashed #c9d8ea;
  background: #f8fbff;
}

.cs-shell-lock p {
  margin: 0;
  color: #4a6a88;
}

.cs-shell-footer {
  width: var(--cs-container-width);
  margin: 0 auto var(--cs-space-6);
  color: #5d7691;
  font-size: 0.95rem;
  border-radius: var(--cs-container-radius);
  overflow: hidden;
}

@media (max-width: 639px) {
  .cs-shell-header {
    padding: var(--cs-space-3) var(--cs-space-4);
    flex-direction: column;
    align-items: flex-start;
  }

  .cs-shell-main {
    margin: var(--cs-space-4) auto;
  }
}