/* ==========================================================================
   Quality Rebaixos — Design System Industrial Premium
   ========================================================================== */

:root {
  --bg-main: #090d16;
  --bg-card: #111827;
  --bg-card-hover: #1f293d;
  --bg-card-active: #1e293b;
  --bg-input: #0f172a;
  --border-color: #1e293b;
  --border-focus: #38bdf8;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -4px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 20px rgba(56, 189, 248, 0.25);
  --shadow-glow-emerald: 0 0 20px rgba(16, 185, 129, 0.25);
  --shadow-glow-amber: 0 0 20px rgba(245, 158, 11, 0.25);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */

.navbar {
  background-color: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  color: #fff;
}

.brand-badge {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text-main);
  background-color: var(--bg-card-hover);
}

.nav-link.active {
  color: var(--accent-cyan);
  background-color: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

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

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.main-content {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Cards & Grids
   ========================================================================== */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* KPI Summary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-color);
}

.kpi-card.cyan::before { background: var(--accent-cyan); }
.kpi-card.emerald::before { background: var(--accent-emerald); }
.kpi-card.amber::before { background: var(--accent-amber); }
.kpi-card.purple::before { background: var(--accent-purple); }

.kpi-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  font-family: "JetBrains Mono", Consolas, monospace;
}

.kpi-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Machines Grid */
.machines-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.machine-card {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  position: relative;
  transition: all 0.2s ease;
}

.machine-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
}

.machine-card.running {
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.05) 0%, var(--bg-card) 100%);
  box-shadow: var(--shadow-glow-emerald);
}

.machine-card.paused {
  border-color: rgba(245, 158, 11, 0.5);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.05) 0%, var(--bg-card) 100%);
  box-shadow: var(--shadow-glow-amber);
}

.machine-name {
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Badges & Status */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.running,
.status-badge.em_operacao,
.status-badge.em_producao {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.paused,
.status-badge.pausada,
.status-badge.na_fila {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.available,
.status-badge.disponivel,
.status-badge.pendente {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.status-badge.concluido {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* ==========================================================================
   Buttons & Inputs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #fff;
  border-color: #38bdf8;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #075985);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
}

.btn-success {
  background: linear-gradient(135deg, #059669, #047857);
  color: #fff;
  border-color: #10b981;
}

.btn-success:hover {
  background: linear-gradient(135deg, #047857, #065f46);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.btn-warning {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
  border-color: #f59e0b;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #b45309, #92400e);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-danger:hover {
  background: #f43f5e;
  color: #fff;
}

.btn-secondary {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-lg {
  padding: 0.85rem 1.6rem;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  min-height: 52px;
}

.btn-touch {
  padding: 1.1rem 2rem;
  font-size: 1.25rem;
  border-radius: var(--radius-lg);
  font-weight: 800;
  min-height: 64px;
  letter-spacing: 0.02em;
}

/* Form controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.15s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

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

/* ==========================================================================
   Tables
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th {
  background-color: rgba(15, 23, 42, 0.8);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.95rem;
}

.table tbody tr:hover {
  background-color: rgba(30, 41, 59, 0.5);
}

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

.tag-stone {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.measure-badge {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-weight: 700;
  color: #fff;
  background: rgba(15, 23, 42, 0.7);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   Dedicated Machine Screen (Workshop Floor)
   ========================================================================== */

.machine-hero {
  background: linear-gradient(135deg, #111827 0%, #1e293b 100%);
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-glow-cyan);
}

.machine-hero.running {
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-glow-emerald);
}

.machine-hero.paused {
  border-color: var(--accent-amber);
  box-shadow: var(--shadow-glow-amber);
}

.timer-display {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
  margin: 1rem 0;
}

.measure-huge {
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 2.75rem;
  font-weight: 800;
  color: #38bdf8;
  letter-spacing: -0.03em;
}

.touch-controls {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links {
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
  .timer-display {
    font-size: 2.75rem;
  }
  .measure-huge {
    font-size: 2rem;
  }
  .touch-controls {
    flex-direction: column;
  }
}