html {
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  display: flex;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  max-width: 100vw;
  background-image:
    radial-gradient(ellipse at 20% 30%, rgba(var(--color-purple-rgb), 0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(var(--color-accent-rgb), 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(var(--color-deep-purple-rgb), 0.15) 0%, transparent 60%),
    linear-gradient(rgba(var(--color-accent-rgb), 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--color-accent-rgb), 0.025) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 50px 50px, 50px 50px;
}

/* Scanline overlay for sci-fi effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent 2px,
    rgba(0, 229, 255, 0.012) 2px,
    rgba(0, 229, 255, 0.012) 4px
  );
  mix-blend-mode: overlay;
}

/* Animated vignette for that "system gate" feel */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.6) 100%);
}

/* ── Sidebar ─────────────────────────────────────────────── */

.sidebar {
  width: 240px;
  background:
    linear-gradient(180deg, var(--color-bg-dark) 0%, #02050d 100%);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  box-shadow:
    2px 0 30px rgba(0, 0, 0, 0.7),
    inset -1px 0 0 rgba(var(--color-accent-rgb), 0.2);
  padding-top: env(safe-area-inset-top, 0);
  padding-left: env(safe-area-inset-left, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.sidebar::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 1px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(var(--color-accent-rgb), 0.6) 20%,
    rgba(var(--color-purple-rgb), 0.6) 80%,
    transparent 100%);
  box-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.4);
}

.sidebar__logo {
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-bottom: 1px solid rgba(var(--color-accent-rgb), 0.2);
  position: relative;
  background: linear-gradient(180deg, rgba(var(--color-accent-rgb), 0.05), transparent);
}

.sidebar__logo::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -1px;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  box-shadow: 0 0 10px var(--color-accent);
}

.logo-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 12px rgba(var(--color-accent-rgb), 0.8));
  animation: logo-pulse 3s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { filter: drop-shadow(0 0 12px rgba(var(--color-accent-rgb), 0.8)); }
  50% { filter: drop-shadow(0 0 20px rgba(var(--color-accent-rgb), 1)) drop-shadow(0 0 30px rgba(var(--color-purple-rgb), 0.6)); }
}

.logo-text {
  font-family: var(--font-system);
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--color-accent), var(--color-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 30px rgba(var(--color-accent-rgb), 0.5);
}

.nav {
  flex: 1;
  padding: var(--space-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text-muted);
  transition: all var(--transition);
  position: relative;
  font-family: var(--font-system);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin: 0 var(--space-sm);
  clip-path: var(--clip-btn);
}

.nav__link:hover {
  color: var(--color-text-bright);
  background: linear-gradient(90deg, rgba(var(--color-accent-rgb), 0.12), transparent);
  transform: translateX(4px);
}

.nav__link--active {
  color: var(--color-accent);
  background: linear-gradient(90deg, rgba(var(--color-accent-rgb), 0.18), rgba(var(--color-purple-rgb), 0.05));
  text-shadow: 0 0 10px rgba(var(--color-accent-rgb), 0.6);
}

/* Logout button styled as nav link — only visible in mobile bottom nav */
.nav__link--logout {
  background: none;
  border: none;
  cursor: pointer;
  display: none; /* hidden on desktop — sidebar footer has logout button */
}
.nav__link--logout:hover {
  color: var(--color-danger, #ff4444);
}

@media (max-width: 640px) {
  .nav__link--logout {
    display: flex; /* show in bottom nav on mobile */
  }
}

.nav__link--active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10%;
  bottom: 10%;
  width: 3px;
  background: var(--color-accent);
  box-shadow:
    0 0 8px var(--color-accent),
    0 0 16px var(--color-accent),
    0 0 24px rgba(var(--color-accent-rgb), 0.5);
}

.nav__link--active::after {
  content: '►';
  position: absolute;
  right: var(--space-md);
  font-size: 0.7rem;
  color: var(--color-accent);
  filter: drop-shadow(0 0 4px var(--color-accent));
}

.nav__icon {
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.sidebar__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ── Main Content ────────────────────────────────────────── */

.main {
  flex: 1;
  margin-left: 240px;
  padding: var(--space-xl);
  padding-top: calc(var(--space-xl) + env(safe-area-inset-top, 0px));
  padding-right: calc(var(--space-xl) + env(safe-area-inset-right, 0px));
  padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  min-height: 100vh;
  max-width: 1280px;
  position: relative;
}

.main--full {
  margin-left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  width: 100%;
}

/* ── Page Header ─────────────────────────────────────────── */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(var(--color-accent-rgb), 0.2);
  position: relative;
}

.page-header::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-purple), transparent);
  box-shadow: 0 0 12px rgba(var(--color-accent-rgb), 0.6);
}

.page-header h1 {
  font-family: var(--font-system);
  font-size: 1.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-text-bright) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 40px rgba(var(--color-accent-rgb), 0.4);
  position: relative;
  padding-left: var(--space-md);
}

.page-header h1::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: linear-gradient(180deg, var(--color-accent), var(--color-purple));
  box-shadow: 0 0 8px var(--color-accent);
}

/* ── Responsive: Tablet (sidebar compatta) ───────────────── */

@media (max-width: 900px) and (min-width: 769px) {
  .sidebar {
    width: 72px;
  }
  .sidebar__logo { justify-content: center; padding: var(--space-md); }
  .logo-text { display: none; }
  .nav__label { display: none; }
  .nav__link { justify-content: center; padding: var(--space-md); }
  .nav__link--active::after { display: none; }
  .sidebar__footer { text-align: center; padding: var(--space-sm); }
  .main {
    margin-left: 72px;
    padding: var(--space-md);
  }
}

/* ── Responsive: Mobile (bottom nav) ─────────────────────── */

@media (max-width: 768px) {
  /* Sidebar diventa bottom nav */
  .sidebar {
    width: 100%;
    height: auto;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    flex-direction: row;
    border-right: none;
    border-top: 1px solid rgba(var(--color-accent-rgb), 0.25);
    padding-top: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
    box-shadow:
      0 -8px 32px rgba(0, 0, 0, 0.7),
      inset 0 1px 0 rgba(var(--color-accent-rgb), 0.3);
    z-index: 200;
    background: linear-gradient(180deg, rgba(3,6,13,0.97) 0%, #010408 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* Rimuovi la linea decorativa verticale */
  .sidebar::after { display: none; }

  /* Nascondi logo e footer, mostra solo nav */
  .sidebar__logo { display: none; }
  .sidebar__footer { display: none; }

  /* Nav: scrollabile orizzontalmente */
  .nav {
    flex-direction: row;
    flex: 1;
    width: 100%;
    padding: 0 4px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
    scroll-snap-type: x proximity;
  }
  .nav::-webkit-scrollbar { display: none; } /* Chrome/Safari */

  .nav__link {
    flex: 0 0 auto; /* non si stringe — taglia fisso */
    min-width: 72px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 10px 14px 8px;
    gap: 4px;
    min-height: 62px;
    border-bottom: none;
    border-top: 2px solid transparent;
    border-radius: 0;
    clip-path: none;
    margin: 0;
    scroll-snap-align: start;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
  }

  .nav__link:hover {
    transform: none; /* niente slide orizzontale in bottom nav */
  }

  .nav__link--active {
    border-top: 2px solid var(--color-accent);
    background: rgba(var(--color-accent-rgb), 0.08);
  }

  .nav__link--active::before { display: none; }

  .nav__icon {
    font-size: 20px;
    line-height: 1;
  }

  .nav__label {
    display: block;
    font-size: 10px;
    letter-spacing: 0.06em;
    opacity: 1;
    color: inherit;
    white-space: nowrap;
  }

  /* Main: full width, padding bottom per bottom nav */
  .main {
    margin-left: 0;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
    padding: var(--space-md);
    padding-top: calc(var(--space-md) + env(safe-area-inset-top, 0px));
    padding-bottom: calc(70px + env(safe-area-inset-bottom, 0px));
    padding-right: calc(var(--space-md) + env(safe-area-inset-right, 0px));
  }

  .main--full {
    padding-bottom: var(--space-md);
    margin-left: 0;
  }
}