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

:root {
  --bg: #0f1117;
  --bg-card: #161b22;
  --bg-input: #1c2128;
  --border: #30363d;
  --text: #e1e4e8;
  --text-secondary: #8b949e;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 8px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* LOGIN */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-card h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.login-subtitle {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

.login-card input {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
}

.login-card button {
  width: 100%;
  padding: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}

.login-card button:hover { background: var(--primary-hover); }
.login-card button:disabled { opacity: .6; cursor: not-allowed; }

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
  min-height: 20px;
}

/* HEADER */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.header h1 { font-size: 20px; }

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* BUTTONS */
.btn-primary {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  padding: 8px 16px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
}

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

.btn-sm { padding: 4px 12px; font-size: 12px; }

.btn-danger {
  padding: 6px 12px;
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  font-size: 12px;
  cursor: pointer;
}

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

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 16px;
  border-radius: 4px;
}

.btn-icon:hover { background: var(--bg-input); color: var(--text); }

/* TABS */
.tabs {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: .2s;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; padding: 24px; }
.tab-content.active { display: block; }

/* KPI CARDS */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.kpi-card .kpi-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}

.kpi-card .kpi-value {
  font-size: 28px;
  font-weight: 700;
}

/* SECTIONS */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.section h2 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.summary-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.summary-row .half { margin-bottom: 0; }

/* TOOLBAR */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filters {
  display: flex;
  gap: 8px;
  flex: 1;
  flex-wrap: wrap;
}

.filters select,
.filters input {
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
}

.filters select:focus,
.filters input:focus {
  outline: none;
  border-color: var(--primary);
}

/* TABLE */
.table-wrapper { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  text-align: left;
  padding: 10px 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  white-space: nowrap;
}

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:hover { background: rgba(59, 130, 246, 0.05); }

/* BADGES */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-planejado { background: rgba(59,130,246,.15); color: #60a5fa; }
.badge-em_andamento { background: rgba(245,158,11,.15); color: #fbbf24; }
.badge-concluido { background: rgba(16,185,129,.15); color: #34d399; }
.badge-cancelado { background: rgba(239,68,68,.15); color: #f87171; }

.badge-pendente { background: rgba(245,158,11,.15); color: #fbbf24; }
.badge-confirmado { background: rgba(16,185,129,.15); color: #34d399; }
.badge-recusado { background: rgba(239,68,68,.15); color: #f87171; }

.badge-cat {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.6);
  z-index: 100;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  overflow-y: auto;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 16px; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text); }

#modal-body { padding: 20px; }

/* FORMS */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea { resize: vertical; min-height: 60px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* COLOR SWATCH */
.color-swatch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 6px;
}

/* FORNECEDORES SUB-SECTION */
.sub-section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.sub-section h3 {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.fornecedor-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
}

.fornecedor-card .forn-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.fornecedor-card .forn-header strong {
  font-size: 14px;
}

.fornecedor-card .forn-details {
  font-size: 12px;
  color: var(--text-secondary);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 200;
  transform: translateY(100px);
  opacity: 0;
  transition: .3s;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.info { background: var(--primary); color: #fff; }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* LOADING */
.loading {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* SUMMARY LIST */
.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.summary-item:last-child { border-bottom: none; }

.summary-count {
  font-weight: 700;
  color: var(--primary);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .summary-row { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .header { padding: 12px 16px; }
  .header h1 { font-size: 16px; }
  .tab-content { padding: 16px; }
  .tabs { padding: 0 8px; overflow-x: auto; }
  .tab-btn { padding: 10px 14px; font-size: 13px; white-space: nowrap; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .filters { flex-direction: column; }
  .modal { max-width: 100%; }
  .modal-overlay { padding: 16px 8px; }
  .fornecedor-card .forn-details { grid-template-columns: 1fr; }

  /* Table responsive */
  table { font-size: 12px; }
  thead th, tbody td { padding: 8px; }
}

@media (max-width: 480px) {
  .kpi-row { grid-template-columns: 1fr; }
  .kpi-card .kpi-value { font-size: 22px; }
  .login-card { padding: 24px; margin: 16px; }
}