/* ============================================
   BUILDINK - La Rete delle Costruzioni in Italia
   Design System & Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Core Palette */
  --primary: #1B4FD8;
  --primary-dark: #1340B0;
  --primary-light: #EEF2FF;
  --secondary: #F59E0B;
  --secondary-dark: #D97706;
  --accent: #10B981;
  --accent-light: #ECFDF5;
  --danger: #EF4444;
  --danger-light: #FEF2F2;
  --warning: #F59E0B;
  --warning-light: #FFFBEB;

  /* Neutrals */
  --dark: #0F172A;
  --dark-800: #1E293B;
  --dark-700: #334155;
  --dark-600: #475569;
  --dark-400: #94A3B8;
  --dark-200: #CBD5E1;
  --dark-100: #E2E8F0;
  --dark-50: #F8FAFC;
  --white: #FFFFFF;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px;

  /* Border Radius */
  --radius-sm: 6px; --radius: 10px; --radius-lg: 16px; --radius-xl: 24px; --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-blue: 0 8px 32px rgba(27,79,216,0.25);

  /* Transitions */
  --transition: all 0.2s ease;
  --transition-slow: all 0.35s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark);
  background: var(--dark-50);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

/* ============ UTILITY CLASSES ============ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 var(--space-6); }
.container-sm { max-width: 960px; margin: 0 auto; padding: 0 var(--space-6); }
.flex { display: flex; } .flex-col { flex-direction: column; }
.items-center { align-items: center; } .justify-between { justify-content: space-between; }
.justify-center { justify-content: center; } .gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); } .gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); } .gap-8 { gap: var(--space-8); }
.grid { display: grid; } .hidden { display: none; } .block { display: block; }
.w-full { width: 100%; } .text-center { text-align: center; }
.relative { position: relative; } .absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }
.font-semibold { font-weight: 600; } .font-bold { font-weight: 700; }
.text-sm { font-size: 13px; } .text-xs { font-size: 11px; } .text-lg { font-size: 18px; }
.text-muted { color: var(--dark-600); } .text-white { color: var(--white); }
.text-primary { color: var(--primary); } .text-accent { color: var(--accent); }
.text-danger { color: var(--danger); } .text-warning { color: var(--secondary); }
.mt-1 { margin-top: var(--space-1); } .mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); } .mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); } .p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); } .py-2 { padding: var(--space-2) 0; }
.badge-green { background: var(--accent-light); color: var(--accent); padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }
.badge-red { background: var(--danger-light); color: var(--danger); padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }
.badge-yellow { background: var(--warning-light); color: var(--secondary-dark); padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }
.badge-blue { background: var(--primary-light); color: var(--primary); padding: 2px 10px; border-radius: var(--radius-full); font-size: 11px; font-weight: 600; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 10px 20px; border-radius: var(--radius); font-family: var(--font-body);
  font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition);
  border: none; text-decoration: none; white-space: nowrap; line-height: 1;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.btn-secondary { background: var(--dark-100); color: var(--dark); }
.btn-secondary:hover { background: var(--dark-200); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--dark-50); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: #0da271; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-icon { padding: 8px; border-radius: var(--radius); }

/* ============ CARDS ============ */
.card {
  background: var(--white); border-radius: var(--radius-lg); 
  box-shadow: var(--shadow-sm); border: 1px solid var(--dark-100);
  overflow: hidden;
}
.card-body { padding: var(--space-6); }
.card-header { padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--dark-100); display: flex; align-items: center; justify-content: space-between; }
.card-footer { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--dark-100); background: var(--dark-50); }

/* ============ INPUTS & FORMS ============ */
.form-group { margin-bottom: var(--space-5); }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--dark-700); margin-bottom: var(--space-2); }
.form-control {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--dark-200);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 14px;
  color: var(--dark); background: var(--white); transition: var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27,79,216,0.12); }
.form-control::placeholder { color: var(--dark-400); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394A3B8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-4); }
.input-group { position: relative; }
.input-group .form-control { padding-left: 44px; }
.input-group-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--dark-400); font-size: 16px; pointer-events: none; }
.input-group-btn .form-control { padding-right: 120px; }
.input-group-btn .btn { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); padding: 7px 16px; }

/* ============ NAVBAR ============ */
.navbar {
  background: var(--white); border-bottom: 1px solid var(--dark-100);
  position: sticky; top: 0; z-index: 1000; height: 68px;
  display: flex; align-items: center;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; }
.nav-logo-icon { width: 36px; height: 36px; background: var(--primary); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.nav-logo-text { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--dark); }
.nav-links { display: flex; align-items: center; gap: var(--space-1); }
.nav-link { padding: 8px 14px; color: var(--dark-600); font-size: 14px; font-weight: 500; text-decoration: none; border-radius: var(--radius); transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--primary-light); }
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }
.nav-avatar { width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--primary); color: white; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; cursor: pointer; }
.nav-notification { position: relative; }
.nav-notification .badge { position: absolute; top: -4px; right: -4px; background: var(--danger); color: white; font-size: 10px; font-weight: 700; width: 18px; height: 18px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; border: 2px solid white; }

/* ============ SIDEBAR ============ */
.dashboard-layout { display: flex; min-height: calc(100vh - 68px); }
.sidebar {
  width: 260px; background: var(--white); border-right: 1px solid var(--dark-100);
  padding: var(--space-6) var(--space-4); flex-shrink: 0;
  display: flex; flex-direction: column; gap: var(--space-1);
  position: sticky; top: 68px; height: calc(100vh - 68px); overflow-y: auto;
}
.sidebar-section-title { font-size: 11px; font-weight: 700; color: var(--dark-400); text-transform: uppercase; letter-spacing: 0.08em; padding: var(--space-3) var(--space-3) var(--space-2); }
.sidebar-link {
  display: flex; align-items: center; gap: var(--space-3); padding: 10px var(--space-3);
  color: var(--dark-600); font-size: 14px; font-weight: 500; text-decoration: none;
  border-radius: var(--radius); transition: var(--transition); position: relative;
}
.sidebar-link:hover { color: var(--primary); background: var(--primary-light); }
.sidebar-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.sidebar-link .sidebar-badge { margin-left: auto; background: var(--primary); color: white; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: var(--radius-full); }
.sidebar-link .icon { width: 18px; text-align: center; }
.main-content { flex: 1; padding: var(--space-8); overflow-x: hidden; }

/* ============ STATS CARDS ============ */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-bottom: var(--space-6); }
.stat-card { background: var(--white); border-radius: var(--radius-lg); padding: var(--space-5); border: 1px solid var(--dark-100); }
.stat-value { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--dark); line-height: 1; margin-bottom: var(--space-1); }
.stat-label { font-size: 13px; color: var(--dark-600); }
.stat-change { font-size: 12px; font-weight: 600; margin-top: var(--space-2); }
.stat-change.up { color: var(--accent); } .stat-change.down { color: var(--danger); }

/* ============ TABLE ============ */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--dark-50); padding: var(--space-3) var(--space-4); text-align: left; font-size: 12px; font-weight: 700; color: var(--dark-600); text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--dark-100); }
tbody td { padding: var(--space-4); border-bottom: 1px solid var(--dark-100); font-size: 14px; color: var(--dark); vertical-align: middle; }
tbody tr:hover { background: var(--dark-50); }
tbody tr:last-child td { border-bottom: none; }

/* ============ AVATAR & WORKER CARD ============ */
.avatar { width: 44px; height: 44px; border-radius: var(--radius-full); background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; flex-shrink: 0; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-sm { width: 34px; height: 34px; font-size: 13px; }
.avatar-lg { width: 72px; height: 72px; font-size: 24px; }
.avatar-xl { width: 100px; height: 100px; font-size: 32px; }

.worker-card { background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); padding: var(--space-4); display: flex; align-items: center; gap: var(--space-4); transition: var(--transition); }
.worker-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.worker-info { flex: 1; }
.worker-name { font-weight: 700; font-size: 15px; color: var(--dark); }
.worker-role { font-size: 13px; color: var(--dark-600); margin-top: 2px; }
.worker-meta { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-2); font-size: 12px; color: var(--dark-600); }
.worker-actions { display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); }

/* ============ STARS ============ */
.stars { display: flex; gap: 2px; color: var(--secondary); font-size: 13px; }
.rating { display: flex; align-items: center; gap: var(--space-2); font-size: 13px; }
.rating-value { font-weight: 700; color: var(--dark); }
.rating-count { color: var(--dark-400); }

/* ============ STATUS DOTS ============ */
.status-dot { width: 8px; height: 8px; border-radius: var(--radius-full); display: inline-block; margin-right: 6px; }
.status-available { background: var(--accent); }
.status-busy { background: var(--secondary); }
.status-unavailable { background: var(--dark-400); }

/* ============ FILTER PANEL ============ */
.filter-panel { background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); padding: var(--space-5); }
.filter-title { font-weight: 700; font-size: 15px; margin-bottom: var(--space-4); }

/* ============ PAGINATION ============ */
.pagination { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-6); }
.page-btn { width: 36px; height: 36px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid var(--dark-200); background: var(--white); color: var(--dark); transition: var(--transition); text-decoration: none; }
.page-btn:hover, .page-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ============ MODAL ============ */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: var(--space-6); backdrop-filter: blur(4px); }
.modal { background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; }
.modal-header { padding: var(--space-6); border-bottom: 1px solid var(--dark-100); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.modal-body { padding: var(--space-6); }
.modal-footer { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--dark-100); display: flex; gap: var(--space-3); justify-content: flex-end; }
.modal-close { background: var(--dark-100); border: none; width: 32px; height: 32px; border-radius: var(--radius-full); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--dark-600); transition: var(--transition); }
.modal-close:hover { background: var(--dark-200); }

/* ============ CHAT ============ */
.chat-container { display: grid; grid-template-columns: 320px 1fr; height: calc(100vh - 68px - 64px); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); overflow: hidden; background: var(--white); }
.chat-sidebar { border-right: 1px solid var(--dark-100); display: flex; flex-direction: column; }
.chat-sidebar-header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--dark-100); }
.chat-list { flex: 1; overflow-y: auto; }
.chat-item { padding: var(--space-4) var(--space-5); display: flex; gap: var(--space-3); cursor: pointer; border-bottom: 1px solid var(--dark-50); transition: var(--transition); }
.chat-item:hover, .chat-item.active { background: var(--primary-light); }
.chat-item-info { flex: 1; min-width: 0; }
.chat-item-name { font-weight: 600; font-size: 14px; }
.chat-item-preview { font-size: 12px; color: var(--dark-600); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.chat-item-time { font-size: 11px; color: var(--dark-400); white-space: nowrap; }
.chat-main { display: flex; flex-direction: column; }
.chat-main-header { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--dark-100); display: flex; align-items: center; gap: var(--space-3); }
.chat-messages { flex: 1; overflow-y: auto; padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.message { display: flex; gap: var(--space-3); max-width: 80%; }
.message.sent { align-self: flex-end; flex-direction: row-reverse; }
.message-bubble { padding: var(--space-3) var(--space-4); border-radius: var(--radius-lg); font-size: 14px; line-height: 1.5; }
.message.received .message-bubble { background: var(--dark-100); color: var(--dark); border-bottom-left-radius: 4px; }
.message.sent .message-bubble { background: var(--primary); color: white; border-bottom-right-radius: 4px; }
.message-time { font-size: 11px; color: var(--dark-400); margin-top: 4px; }
.chat-input-area { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--dark-100); display: flex; gap: var(--space-3); align-items: center; }

/* ============ NOTIFICATIONS ============ */
.notification-item { padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--dark-100); display: flex; gap: var(--space-4); cursor: pointer; transition: var(--transition); }
.notification-item:hover { background: var(--dark-50); }
.notification-item.unread { background: var(--primary-light); }
.notification-item.unread::before { content: ''; width: 4px; background: var(--primary); align-self: stretch; border-radius: 2px; flex-shrink: 0; }
.notification-icon { width: 40px; height: 40px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.notification-content { flex: 1; }
.notification-title { font-weight: 600; font-size: 14px; }
.notification-text { font-size: 13px; color: var(--dark-600); margin-top: 2px; }
.notification-time { font-size: 11px; color: var(--dark-400); margin-top: 4px; }

/* ============ TABS ============ */
.tabs { display: flex; border-bottom: 2px solid var(--dark-100); margin-bottom: var(--space-6); gap: var(--space-1); }
.tab { padding: var(--space-3) var(--space-4); font-size: 14px; font-weight: 600; color: var(--dark-600); cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; transition: var(--transition); text-decoration: none; }
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ============ SEARCH HERO ============ */
.hero { background: linear-gradient(135deg, var(--dark-800) 0%, var(--primary-dark) 100%); color: white; padding: var(--space-20) 0; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.hero-title { font-family: var(--font-display); font-size: 48px; font-weight: 800; line-height: 1.15; margin-bottom: var(--space-4); position: relative; }
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,0.8); margin-bottom: var(--space-8); position: relative; }
.hero-search { max-width: 680px; margin: 0 auto; position: relative; }
.hero-search input { width: 100%; padding: 18px 24px; border-radius: var(--radius-full); border: none; font-size: 16px; box-shadow: var(--shadow-lg); outline: none; padding-right: 140px; }
.hero-search .btn { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); border-radius: var(--radius-full); padding: 12px 24px; }

/* ============ EQUIPMENT CARD ============ */
.equipment-card { background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.equipment-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.equipment-img { height: 200px; background: var(--dark-100); position: relative; overflow: hidden; }
.equipment-img img { width: 100%; height: 100%; object-fit: cover; }
.equipment-img-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 64px; background: linear-gradient(135deg, #f1f5f9, #e2e8f0); }
.equipment-info { padding: var(--space-4); }
.equipment-name { font-weight: 700; font-size: 15px; }
.equipment-brand { font-size: 12px; color: var(--dark-400); margin-top: 2px; }
.equipment-price { font-family: var(--font-display); font-size: 20px; font-weight: 800; color: var(--primary); margin-top: var(--space-3); }
.equipment-price span { font-size: 13px; font-weight: 400; color: var(--dark-600); }
.equipment-footer { padding: var(--space-3) var(--space-4); border-top: 1px solid var(--dark-100); display: flex; align-items: center; justify-content: space-between; }

/* ============ COMPANY CARD ============ */
.company-card { background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; gap: var(--space-4); align-items: flex-start; transition: var(--transition); }
.company-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.company-logo { width: 56px; height: 56px; border-radius: var(--radius); background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; color: var(--primary); flex-shrink: 0; }
.company-name { font-weight: 700; font-size: 16px; }
.company-type { font-size: 13px; color: var(--dark-600); }
.company-meta { display: flex; gap: var(--space-4); margin-top: var(--space-2); font-size: 13px; color: var(--dark-600); flex-wrap: wrap; }
.verified-badge { display: inline-flex; align-items: center; gap: 4px; color: var(--accent); font-size: 12px; font-weight: 600; }

/* ============ MOBILE APP PREVIEW ============ */
.phone-frame { border: 6px solid var(--dark); border-radius: 40px; overflow: hidden; box-shadow: var(--shadow-lg); width: 280px; }

/* ============ PROGRESS ============ */
.progress-bar { height: 6px; background: var(--dark-100); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); border-radius: var(--radius-full); transition: width 0.4s ease; }

/* ============ ALERT ============ */
.alert { padding: var(--space-4) var(--space-5); border-radius: var(--radius); font-size: 14px; border-left: 4px solid; margin-bottom: var(--space-4); }
.alert-info { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
.alert-success { background: var(--accent-light); border-color: var(--accent); color: #065f46; }
.alert-warning { background: var(--warning-light); border-color: var(--secondary); color: #92400e; }
.alert-danger { background: var(--danger-light); border-color: var(--danger); color: #991b1b; }

/* ============ DROPDOWN ============ */
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: calc(100% + 8px); right: 0; min-width: 200px; background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); z-index: 100; overflow: hidden; display: none; }
.dropdown-menu.open { display: block; }
.dropdown-item { padding: var(--space-3) var(--space-4); font-size: 14px; color: var(--dark); cursor: pointer; display: flex; align-items: center; gap: var(--space-3); transition: var(--transition); text-decoration: none; }
.dropdown-item:hover { background: var(--dark-50); color: var(--primary); }
.dropdown-divider { height: 1px; background: var(--dark-100); margin: var(--space-2) 0; }

/* ============ FOOTER ============ */
footer { background: var(--dark-800); color: rgba(255,255,255,0.7); padding: var(--space-16) 0 var(--space-8); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); padding-bottom: var(--space-12); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .nav-logo-text { color: white; }
.footer-brand p { margin-top: var(--space-4); font-size: 14px; line-height: 1.7; }
.footer-col h4 { color: white; font-weight: 700; margin-bottom: var(--space-4); font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: var(--space-2); text-decoration: none; transition: var(--transition); }
.footer-col a:hover { color: white; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: var(--space-8); font-size: 13px; }
.footer-social { display: flex; gap: var(--space-3); }
.social-btn { width: 36px; height: 36px; border-radius: var(--radius-full); background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: white; font-size: 16px; cursor: pointer; transition: var(--transition); text-decoration: none; }
.social-btn:hover { background: var(--primary); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-title { font-size: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { padding: var(--space-4); }
  .hero-title { font-size: 28px; }
  .hero { padding: var(--space-12) 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .chat-container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .profile-layout { grid-template-columns: 1fr !important; }
  .info-two-col { grid-template-columns: 1fr !important; }
  .tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tabs .tab { white-space: nowrap; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .page-title { font-size: 22px; }
  .container { padding-left: var(--space-4); padding-right: var(--space-4); }
  .toast { min-width: auto; width: calc(100vw - 48px); }
}

/* ============ TOAST ============ */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: var(--space-3); }
.toast { background: var(--dark-800); color: white; padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg); font-size: 14px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: var(--space-3); animation: slideIn 0.3s ease; min-width: 300px; }
.toast.success { background: var(--accent); }
.toast.error { background: var(--danger); }
.toast.warning { background: var(--secondary-dark); }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ============ SKELETON LOADING ============ */
.skeleton { background: linear-gradient(90deg, var(--dark-100) 25%, var(--dark-50) 50%, var(--dark-100) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* Page-specific header */
.page-header { margin-bottom: var(--space-6); }
.page-title { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--dark); }
.page-subtitle { font-size: 14px; color: var(--dark-600); margin-top: var(--space-1); }
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); font-size: 13px; color: var(--dark-600); margin-bottom: var(--space-3); }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb-sep { color: var(--dark-300); }

/* Category icons grid */
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: var(--space-3); }
.category-item { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); padding: var(--space-4) var(--space-3); background: var(--white); border: 1px solid var(--dark-100); border-radius: var(--radius-lg); cursor: pointer; transition: var(--transition); text-decoration: none; }
.category-item:hover { border-color: var(--primary); background: var(--primary-light); }
.category-icon { width: 48px; height: 48px; border-radius: var(--radius); background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.category-label { font-size: 12px; font-weight: 600; color: var(--dark); text-align: center; }
.category-count { font-size: 11px; color: var(--dark-400); }
.category-item.selected { border-color: var(--primary); background: var(--primary-light); box-shadow: 0 0 0 2px var(--primary) inset; }

/* Section divider with title */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-5); }
.section-title { font-family: var(--font-display); font-weight: 700; font-size: 20px; }
/* ============================================================
   ANIMAZIONI (aggiunte) — comparsa morbida, hover, contatori
   ============================================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes popIn {
  0%   { opacity: 0; transform: scale(.96); }
  100% { opacity: 1; transform: scale(1); }
}

/* Comparsa morbida delle sezioni/card al caricamento pagina */
.card,
.stat-card,
.worker-card,
.company-card,
.equipment-card,
.page-header,
.hero-content,
.filter-panel {
  animation: fadeInUp .45s ease both;
}

/* Effetto "a cascata" per le liste di card */
.worker-card:nth-child(1),.company-card:nth-child(1),.equipment-card:nth-child(1){animation-delay:.02s}
.worker-card:nth-child(2),.company-card:nth-child(2),.equipment-card:nth-child(2){animation-delay:.06s}
.worker-card:nth-child(3),.company-card:nth-child(3),.equipment-card:nth-child(3){animation-delay:.10s}
.worker-card:nth-child(4),.company-card:nth-child(4),.equipment-card:nth-child(4){animation-delay:.14s}
.worker-card:nth-child(5),.company-card:nth-child(5),.equipment-card:nth-child(5){animation-delay:.18s}
.worker-card:nth-child(n+6),.company-card:nth-child(n+6),.equipment-card:nth-child(n+6){animation-delay:.22s}

.stat-card:nth-child(1){animation-delay:.02s}
.stat-card:nth-child(2){animation-delay:.09s}
.stat-card:nth-child(3){animation-delay:.16s}
.stat-card:nth-child(4){animation-delay:.23s}

/* Modali e toast con piccola comparsa */
.modal { animation: popIn .22s ease both; }

/* Hover: sollevamento morbido delle card */
.card,
.stat-card,
.worker-card,
.company-card,
.equipment-card {
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.worker-card:hover,
.company-card:hover,
.equipment-card:hover,
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0,0,0,.10);
  border-color: var(--primary);
}
.card:hover { box-shadow: 0 10px 24px rgba(0,0,0,.08); }

/* Bottoni: leggero feedback al passaggio e al click */
.btn { transition: transform .12s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.98); }

/* Link della sidebar */
.sidebar-link { transition: background .18s ease, color .18s ease, padding-left .18s ease; }
.sidebar-link:hover { padding-left: calc(var(--space-4) + 4px); }

/* Icone categoria: piccolo zoom al hover */
.category-item:hover .category-icon { transform: scale(1.08); transition: transform .2s ease; }

/* Avatar nelle liste chat */
.chat-item { transition: background .18s ease; }

/* Rispetta chi preferisce ridurre le animazioni (accessibilità) */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}