/* ============================================================================
   EquipControl — Sistema de Gestão de Equipamentos
   Folha de estilo principal
   ============================================================================ */

:root {
  --color-primary: #0f766e;
  --color-primary-dark: #134e4a;
  --color-primary-light: #14b8a6;
  --color-primary-lighter: #ccfbf1;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-info: #2563eb;
  --color-info-bg: #eff6ff;
  --color-sidebar: #0f172a;
  --color-sidebar-hover: #1e293b;
  --color-sidebar-active: #0f766e;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius: 10px;
  --radius-sm: 6px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */

.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--color-sidebar);
  color: #cbd5e1;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.2s ease;
}

.sidebar-brand {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-brand h1 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-brand p {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--color-sidebar-hover);
  color: #e2e8f0;
}

.sidebar-nav a.active {
  background: rgba(15,118,110,0.15);
  color: var(--color-primary-light);
  border-left-color: var(--color-primary-light);
}

.sidebar-nav .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.75rem;
  color: #64748b;
}

.sidebar-footer .user-name {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 0.875rem;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 2rem;
  min-width: 0;
}

/* ─── Topbar ─────────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.topbar h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.topbar-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ─── Cards ──────────────────────────────────────────────────────────────── */

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.card-body { padding: 1.5rem; }

/* ─── Stat Cards ─────────────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-icon.bg-teal { background: var(--color-primary-lighter); color: var(--color-primary); }
.stat-icon.bg-blue { background: var(--color-info-bg); color: var(--color-info); }
.stat-icon.bg-amber { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-icon.bg-green { background: var(--color-success-bg); color: var(--color-success); }
.stat-icon.bg-red { background: var(--color-danger-bg); color: var(--color-danger); }

/* ─── Tables ─────────────────────────────────────────────────────────────── */

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: #f8fafc;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text);
}

table tbody tr:hover {
  background: #f8fafc;
}

table tbody tr:last-child td {
  border-bottom: none;
}

/* ─── Badges ─────────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-secondary { background: #f1f5f9; color: var(--color-text-muted); }

/* ─── Buttons ────────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary {
  background: #f1f5f9;
  color: var(--color-text);
}
.btn-secondary:hover { background: #e2e8f0; }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.form-group label .required { color: var(--color-danger); }

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(20,184,166,0.1);
}

textarea.form-control { min-height: 100px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ─── Alerts ─────────────────────────────────────────────────────────────── */

.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #bbf7d0; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #fecaca; }
.alert-info { background: var(--color-info-bg); color: var(--color-info); border: 1px solid #bfdbfe; }

/* ─── Login ──────────────────────────────────────────────────────────────── */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #134e4a 100%);
  padding: 1rem;
}

.login-card {
  background: var(--color-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.login-card p {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

/* ─── Public Ticket Page ──────────────────────────────────────────────────── */

.public-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
  padding: 1.5rem;
}

.public-card {
  background: var(--color-surface);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  max-width: 540px;
  margin: 2rem auto;
}

.public-card h1 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.equipment-info {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.equipment-info .info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  font-size: 0.875rem;
}

.equipment-info .info-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

.equipment-info .info-value {
  color: var(--color-text);
  font-weight: 600;
}

/* ─── Timeline ───────────────────────────────────────────────────────────── */

.timeline {
  list-style: none;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-surface);
}

.timeline-item .timeline-content {
  font-size: 0.875rem;
}

.timeline-item .timeline-date {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* ─── QR Code Grid ───────────────────────────────────────────────────────── */

.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.qr-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.qr-card img {
  width: 150px;
  height: 150px;
  margin: 0 auto 0.5rem;
}

.qr-card .qr-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

/* ─── Utilities ──────────────────────────────────────────────────────────── */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.w-full { width: 100%; }
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}
.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

/* ─── Mobile ─────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  padding: 0.25rem;
}