/* ========================================
   PORSCHE ELECTRIC LAYOUT
   Container, Grid, Page Structure
   ======================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--s-6);
}

.container--narrow {
  max-width: 520px;
}

.container--wide {
  max-width: 1400px;
}

/* ===== GRID ===== */

.grid {
  display: grid;
  gap: var(--s-5);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* ===== STATS ROW ===== */

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--s-4);
  margin-bottom: var(--s-8);
}

/* ===== FLEX ===== */

.flex { display: flex; }
.flex--col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex--wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.gap-1 { gap: var(--s-1); }
.gap-2 { gap: var(--s-2); }
.gap-3 { gap: var(--s-3); }
.gap-4 { gap: var(--s-4); }
.gap-6 { gap: var(--s-6); }

/* ===== PAGE HEADER ===== */

.page-header {
  margin-bottom: var(--s-8);
  padding-top: var(--s-8);
}

.page-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--s-2);
}

.page-subtitle {
  font-size: var(--text-base);
  color: var(--text-tertiary);
  margin: 0;
}

.page-actions {
  display: flex;
  gap: var(--s-3);
  margin-bottom: var(--s-8);
}

/* ===== SECTION ===== */

.section {
  margin-bottom: var(--s-10);
}

.section--compact {
  margin-bottom: var(--s-6);
}

.section-title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--s-5);
  display: flex;
  align-items: center;
  gap: var(--s-3);
}

.section-title::before {
  content: '';
  display: block;
  width: 3px;
  height: 1em;
  background: var(--electric);
  border-radius: var(--r-full);
}

/* ===== FORM LAYOUT ===== */

.form-layout {
  max-width: 640px;
}

.form-section {
  margin-bottom: var(--s-8);
  padding-bottom: var(--s-8);
  border-bottom: 1px solid var(--border-subtle);
}

.form-section:last-child {
  border-bottom: none;
}

.form-section-title {
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--s-5);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  font-size: var(--text-xs);
  color: var(--electric);
}

.form-actions {
  display: flex;
  gap: var(--s-3);
  padding-top: var(--s-6);
}

.form-actions--right {
  justify-content: flex-end;
}

/* ===== EMPTY STATE ===== */

.empty-state {
  text-align: center;
  padding: var(--s-16) var(--s-6);
  background: var(--surface-2);
  border: 1px dashed var(--border-default);
  border-radius: var(--r-xl);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--s-4);
  filter: grayscale(0.3);
}

.empty-state__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  margin-bottom: var(--s-2);
}

.empty-state__description {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--s-6);
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--s-4);
  }

  .page-header {
    padding-top: var(--s-6);
  }

  .page-title {
    font-size: var(--text-2xl);
  }

  .grid--2, .grid--3, .grid--4 {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--auto {
    grid-template-columns: 1fr;
  }

  .page-actions {
    flex-direction: column;
  }

  .form-actions--right {
    flex-direction: column;
  }

  .nav__actions {
    gap: var(--s-1);
  }

  .nav__link {
    padding: var(--s-1) var(--s-2);
    font-size: var(--text-xs);
  }

  .table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--s-2);
  }

  .nav__actions {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
}