/* Material Design 3 — Palette Elettrodomestici Service
   Primary: Very Peri (#6667AB)
   Background: Cloud Dancer (#F0EEE9)
   Surface variants da palette ufficiale */

:root {
  /* M3 light theme tokens */
  --md-sys-color-primary: #6667AB;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #DDD5DF;
  --md-sys-color-on-primary-container: #1F1B3D;

  --md-sys-color-secondary: #6E6B7B;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #ECD8DC;
  --md-sys-color-on-secondary-container: #2B1B1F;

  --md-sys-color-tertiary: #8C7A6B;
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: #F0D8CC;
  --md-sys-color-on-tertiary-container: #2D1B0D;

  --md-sys-color-error: #BA1A1A;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #FFDAD6;
  --md-sys-color-on-error-container: #410002;

  --md-sys-color-background: #F0EEE9;
  --md-sys-color-on-background: #1C1B1F;
  --md-sys-color-surface: #FFFBFE;
  --md-sys-color-on-surface: #1C1B1F;
  --md-sys-color-surface-variant: #E7E0EC;
  --md-sys-color-on-surface-variant: #49454F;
  --md-sys-color-surface-container: #F3EDF7;
  --md-sys-color-surface-container-high: #ECE6F0;
  --md-sys-color-surface-container-low: #F7F2FA;

  --md-sys-color-outline: #79747E;
  --md-sys-color-outline-variant: #CAC4D0;

  /* Typography M3 */
  --md-sys-typescale-display-large: 400 57px/64px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-headline-large: 400 32px/40px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-headline-medium: 400 28px/36px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-title-large: 500 22px/28px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-title-medium: 500 16px/24px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-body-large: 400 16px/24px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-body-medium: 400 14px/20px 'Roboto', system-ui, sans-serif;
  --md-sys-typescale-label-large: 500 14px/20px 'Roboto', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', system-ui, -apple-system, sans-serif;
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  font-size: 16px;
  line-height: 1.5;
}

/* App layout: top bar + drawer + content */
.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: 64px 1fr;
  grid-template-areas:
    "drawer topbar"
    "drawer content";
  min-height: 100vh;
}

.topbar {
  grid-area: topbar;
  background: var(--md-sys-color-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-title {
  font: var(--md-sys-typescale-title-large);
  color: var(--md-sys-color-on-surface);
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-radius: 100px;
  font: var(--md-sys-typescale-label-large);
}

.drawer {
  grid-area: drawer;
  background: var(--md-sys-color-surface-container-low);
  border-right: 1px solid var(--md-sys-color-outline-variant);
  padding: 16px 12px;
  overflow-y: auto;
}

.drawer-header {
  padding: 12px 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.drawer-logo {
  width: 40px; height: 40px;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.drawer-brand {
  font: var(--md-sys-typescale-title-medium);
  color: var(--md-sys-color-on-surface);
  line-height: 1.2;
}

.drawer-brand small {
  display: block;
  font-weight: 400;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 12px;
}

.nav-section {
  margin-top: 8px;
}

.nav-label {
  font: var(--md-sys-typescale-label-large);
  color: var(--md-sys-color-on-surface-variant);
  padding: 16px 16px 8px;
  font-size: 11px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 100px;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: none;
  font: var(--md-sys-typescale-label-large);
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--md-sys-color-surface-container-high);
}

.nav-item.active {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-weight: 500;
}

.nav-item .icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
}

.content {
  grid-area: content;
  padding: 24px 32px;
  overflow-y: auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-title {
  font: var(--md-sys-typescale-headline-medium);
  color: var(--md-sys-color-on-background);
  margin: 0;
}

.page-subtitle {
  color: var(--md-sys-color-on-surface-variant);
  margin: 4px 0 0;
  font: var(--md-sys-typescale-body-medium);
}

/* Cards M3 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: 16px;
  padding: 20px;
  transition: box-shadow 0.2s, transform 0.1s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover {
  box-shadow: 0 2px 8px rgba(102,103,171,0.12);
  transform: translateY(-1px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.card-title {
  font: var(--md-sys-typescale-title-medium);
  color: var(--md-sys-color-on-surface);
  margin: 0 0 4px;
}

.card-desc {
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
  margin: 0;
}

.card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 100px;
  background: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
  margin-top: 8px;
}

/* Buttons M3 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  font: var(--md-sys-typescale-label-large);
  text-decoration: none;
  transition: background 0.15s, box-shadow 0.15s;
}

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

.btn-filled:hover {
  background: #555599;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.btn-text {
  background: transparent;
  color: var(--md-sys-color-primary);
  padding: 10px 12px;
}

.btn-text:hover {
  background: var(--md-sys-color-primary-container);
}

/* Login page (no app shell) */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F0EEE9 0%, #DDD5DF 100%);
  padding: 16px;
}

.login-card {
  background: var(--md-sys-color-surface);
  padding: 40px 32px;
  border-radius: 28px;
  box-shadow: 0 8px 32px rgba(102,103,171,0.18);
  width: 100%;
  max-width: 400px;
}

.login-logo {
  width: 64px;
  height: 64px;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}

.login-title {
  font: var(--md-sys-typescale-headline-medium);
  text-align: center;
  margin: 0 0 4px;
  color: var(--md-sys-color-on-surface);
}

.login-subtitle {
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  font: var(--md-sys-typescale-body-medium);
  margin: 0 0 32px;
}

/* Text fields M3 outlined */
.field {
  position: relative;
  margin-bottom: 16px;
}

.field input {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: 8px;
  font-size: 16px;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  transition: border-color 0.15s, border-width 0.15s;
}

.field input:focus {
  outline: none;
  border-color: var(--md-sys-color-primary);
  border-width: 2px;
  padding: 15px;
}

.field label {
  position: absolute;
  left: 12px;
  top: 16px;
  background: var(--md-sys-color-surface);
  padding: 0 4px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 16px;
  pointer-events: none;
  transition: all 0.15s;
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label {
  top: -8px;
  font-size: 12px;
  color: var(--md-sys-color-primary);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 24px;
  font: var(--md-sys-typescale-body-medium);
  color: var(--md-sys-color-on-surface-variant);
}

.checkbox-row input { width: 18px; height: 18px; accent-color: var(--md-sys-color-primary); }

.error-banner {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font: var(--md-sys-typescale-body-medium);
}

/* Responsive */
@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas: "topbar" "content";
  }
  .drawer { display: none; }
  .content { padding: 16px; }
}