:root {
  --font-family: 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-primary: #6750a4;
  --color-on-primary: #ffffff;
  --color-primary-container: #eaddff;
  --color-on-primary-container: #21005d;
  --color-secondary: #625b71;
  --color-on-secondary: #ffffff;
  --color-surface: #fdf8ff;
  --color-surface-variant: #e7e0ec;
  --color-on-surface: #1d1b20;
  --color-outline: #79747e;
  --color-error: #b3261e;
  --color-success: #0d8567;
  --elevation-1: 0 1px 3px rgba(15, 23, 42, 0.12), 0 1px 2px rgba(15, 23, 42, 0.24);
  --elevation-2: 0 4px 8px rgba(15, 23, 42, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background: var(--color-surface);
  color: var(--color-on-surface);
  margin: 0;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.surface {
  background: var(--color-surface);
}

.surface-elevated {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

.md-app-bar {
  border-bottom: 1px solid var(--color-surface-variant);
}

.md-app-bar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.md-app-bar__brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.md-app-bar__brand .material-symbols-outlined {
  font-size: 2.25rem;
  margin-right: 0.75rem;
  color: var(--color-primary);
}

.md-app-bar__brand .label {
  font-weight: 600;
  margin: 0;
}

.md-app-bar__brand .sub-label {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-secondary);
}

.md-app-bar__nav {
  display: flex;
  gap: 1rem;
}

.md-nav-link {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
}

.md-nav-link:hover {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

.md-hero {
  padding: 2rem 0 2.5rem;
  box-shadow: var(--elevation-1);
}

.md-hero h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
}

.md-hero p {
  margin: 0;
  font-size: 1.1rem;
}

.md-main {
  padding: 2rem 0 4rem;
}

.md-alert-stack {
  margin-bottom: 1.5rem;
}

.md-alert {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: 1rem;
  background: var(--color-surface-variant);
  color: var(--color-on-surface);
  box-shadow: var(--elevation-1);
}

.md-alert--success {
  border-left: 4px solid var(--color-success);
}

.md-alert--error {
  border-left: 4px solid var(--color-error);
}

.md-card {
  background: #fff;
  border-radius: 1.5rem;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--elevation-2);
}

.md-card h2 {
  margin-top: 0;
}

.md-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.md-field label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
  color: var(--color-secondary);
}

.md-field input[type="file"],
.md-field input[type="datetime-local"],
.md-field input[type="password"],
.md-field input[type="text"] {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-outline);
  background: var(--color-surface);
  font-size: 1rem;
}

.md-button,
.md-button:link,
.md-button:visited {
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.md-button--filled {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.md-button--tonal {
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
}

.md-button:hover {
  opacity: 0.92;
}

.helper-text {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-top: -0.75rem;
}

.md-table {
  width: 100%;
  border-collapse: collapse;
}

.md-table th,
.md-table td {
  padding: 0.85rem;
  border-bottom: 1px solid var(--color-surface-variant);
  text-align: left;
  font-size: 0.95rem;
}

.md-table th {
  color: var(--color-secondary);
  font-weight: 500;
}

.md-chip-set {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.md-chip {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--color-surface-variant);
  font-size: 0.85rem;
}

.image-preview {
  margin-top: 1.5rem;
  text-align: center;
}

.image-preview img {
  max-width: 100%;
  border-radius: 1.5rem;
  box-shadow: var(--elevation-2);
}

.md-footer {
  border-top: 1px solid var(--color-surface-variant);
  padding: 1.5rem 0 2.5rem;
  font-size: 0.95rem;
  color: var(--color-secondary);
}

#drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(32, 18, 77, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  padding: 1.5rem;
}

#drop-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.drop-overlay__content {
  max-width: 480px;
  width: 100%;
  padding: 2rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: var(--elevation-2);
}

.drop-overlay__content .material-symbols-outlined {
  font-size: 3rem;
  display: block;
  margin-bottom: 0.75rem;
}

.drop-overlay__content p {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.drop-overlay__content small {
  display: block;
  opacity: 0.85;
}

.md-pagination {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.md-pagination .md-button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.md-action-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem;
  align-items: stretch;
}

.md-action-group .md-button {
  width: 100%;
  justify-content: center;
}

.md-action-group form {
  width: 100%;
}

@media (max-width: 768px) {
  .md-app-bar__row {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
  .md-app-bar__nav {
    width: 100%;
  }
  .md-hero h1 {
    font-size: 1.65rem;
  }
}