/* ============================================================
   SafeDish – Admin CSS  (mobile-first) v2.5
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:       #6366f1;
  --primary-dark:  #4f46e5;
  --primary-light: #e0e7ff;
  --danger:        #ef4444;
  --danger-light:  #fee2e2;
  --success:       #10b981;
  --success-light: #d1fae5;
  --warning:       #f59e0b;
  --bg:            #f9fafb;
  --surface:       #ffffff;
  --border:        #e5e7eb;
  --text:          #111827;
  --text-muted:    #6b7280;
  --radius:        12px;
  --radius-sm:     8px;
  --shadow:        0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.12);
  --sidebar-w:     240px;
  --topbar-h:      56px;
  --transition:    .25s cubic-bezier(.4,0,.2,1);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ── Topbar ───────────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 16px;
}
.topbar-logo {
  font-size: 1.15rem; font-weight: 700; color: var(--primary);
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
}

/* Hamburger */
.hamburger {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 10px;
  z-index: 1100; position: relative;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--transition);
  z-index: 2000; /* Sopra tutto su mobile */
  padding-top: var(--topbar-h);
}
.sidebar.open { transform: translateX(0); box-shadow: 10px 0 30px rgba(0,0,0,0.1); }

.sidebar-nav { padding: 12px 0; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; font-size: .95rem;
  color: var(--text-muted); border-radius: 0;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.nav-item:hover { background: var(--primary-light); color: var(--primary); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 700; border-right: 3px solid var(--primary); }
.nav-icon { font-size: 1.1rem; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 20px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
}
.sidebar-user { font-size: .9rem; font-weight: 700; color: var(--text); }

/* Overlay mobile */
.sidebar-overlay {
  display: none; position: fixed; inset: 0; z-index: 1500;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.sidebar-overlay.visible { display: block; }

/* ── Main content ─────────────────────────────────────────── */
.main-content {
  padding: calc(var(--topbar-h) + 20px) 12px 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  transition: margin var(--transition), width var(--transition);
}

/* ── Responsive Desktop ───────────────────────────────────── */
@media (min-width: 992px) {
  .hamburger { display: none; }
  
  .sidebar { 
    transform: translateX(0); 
    z-index: 900; 
    padding-top: var(--topbar-h); 
  }
  
  .sidebar-overlay { display: none !important; }
  
  .main-content { 
    margin-left: var(--sidebar-w); 
    margin-right: auto;
    width: calc(100% - var(--sidebar-w));
    padding: calc(var(--topbar-h) + 32px) 32px 60px;
  }
}

/* ── Cards & Elements ─────────────────────────────────────── */
.modern-card, .card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  padding: 20px;
}
@media (max-width: 480px) { .modern-card { padding: 16px; } }

.card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }

/* ── KPI Grid ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (min-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}
.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 12px;
  text-align: center;
}
.kpi-value { font-size: 1.8rem; font-weight: 800; color: var(--primary); display: block; }
.kpi-label { font-size: .8rem; color: var(--text-muted); font-weight: 600; }

/* ── Dishes grid ──────────────────────────────────────────── */
.dishes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 600px) { .dishes-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .dishes-grid { grid-template-columns: repeat(3, 1fr); } }

.dish-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow); transition: .25s;
}
.dish-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.dish-img-wrap { height: 180px; overflow: hidden; background: #eee; position: relative; }
.dish-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

.dish-info { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.dish-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 5px; }
.dish-price { font-weight: 800; color: var(--primary); font-size: 1.1rem; }
.dish-desc { font-size: .85rem; color: var(--text-muted); line-height: 1.5; margin: 10px 0; }

.dish-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 16px; background: #f9fafb; border-top: 1px solid var(--border); }

/* ── Forms ────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .9rem; font-weight: 700; margin-bottom: 8px; color: #444; }
.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; padding: 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem;
  background: #fff; transition: .2s; -webkit-appearance: none;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99,102,241,.1); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: var(--radius-sm); font-weight: 700; font-size: .95rem;
  cursor: pointer; border: none; transition: .2s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-outline { background: #fff; border: 1.5px solid var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-full { width: 100%; }

/* ── Utilities ────────────────────────────────────────────── */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-weight: 600; font-size: .95rem; }
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid var(--success); }
.alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid var(--danger); }

/* Camera UI */
.upload-area { border: 2px dashed var(--primary); padding: 30px 15px; border-radius: var(--radius); text-align: center; background: #f5f6ff; }
.camera-btn { background: var(--primary); color: white; padding: 14px 24px; border-radius: 12px; font-weight: 700; border: none; cursor: pointer; display: inline-flex; align-items: center; gap: 10px; }
#camera-preview { width: 100%; max-width: 400px; border-radius: 16px; margin: 15px auto; border: 3px solid #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }