/* ========================================
   DevHub - Design System
   Azul Marinho Minimalista
   ======================================== */

:root {
  --navy-900: #0a1628;
  --navy-800: #0f2035;
  --navy-700: #142d47;
  --navy-600: #1a3a5c;
  --navy-500: #1e4d7b;
  --navy-400: #2a6aad;
  --navy-300: #4a90d9;
  --navy-200: #7eb3e8;
  --navy-100: #b8d4f0;
  --navy-50: #e8f0fa;

  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;

  --text-primary: #e8f0fa;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --bg-body: #0a1628;
  --bg-card: #0f2035;
  --bg-card-hover: #142d47;
  --bg-input: #142d47;
  --border-color: #1a3a5c;

  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
}

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

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

/* ========== LOGIN ========== */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.login-logo h1 span {
  color: var(--accent);
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 6px;
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ========== FORM ELEMENTS ========== */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group select option {
  background: var(--navy-800);
  color: var(--text-primary);
}

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

/* ========== BUTTONS ========== */

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

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

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

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== APP LAYOUT ========== */

.app-container {
  display: none;
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-logo {
  padding: 0 24px;
  margin-bottom: 32px;
}

.sidebar-logo h2 {
  font-size: 20px;
  font-weight: 700;
}

.sidebar-logo h2 span {
  color: var(--accent);
}

.sidebar-nav {
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  color: var(--text-primary);
  background: rgba(59, 130, 246, 0.05);
  border-left-color: var(--accent);
}

.sidebar-nav a svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-footer .user-name {
  font-size: 13px;
  color: var(--text-secondary);
}

.sidebar-footer .btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition);
}

.sidebar-footer .btn-logout:hover {
  color: var(--danger);
}

.main-content {
  margin-left: 240px;
  padding: 32px;
  min-height: 100vh;
}

/* ========== HEADER ========== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 2px;
}

/* ========== STATS CARDS ========== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

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

.stat-card:hover {
  border-color: var(--navy-500);
}

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card .stat-value.accent {
  color: var(--accent);
}

.stat-card .stat-value.success {
  color: var(--success);
}

.stat-card .stat-value.warning {
  color: var(--warning);
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ========== TABLE ========== */

.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.table-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.table-filters {
  display: flex;
  gap: 10px;
  align-items: center;
}

.table-filters select,
.table-filters input {
  padding: 6px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

.table-filters select {
  appearance: none;
  cursor: pointer;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.table-filters input {
  width: 180px;
}

.table-filters input::placeholder {
  color: var(--text-muted);
}

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

table th {
  padding: 12px 20px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 22, 40, 0.5);
}

table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid rgba(26, 58, 92, 0.3);
  vertical-align: middle;
}

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

table tr:hover td {
  background: rgba(59, 130, 246, 0.03);
}

.tool-name {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
  /* cor definida via style inline */
}

.tool-info .name {
  font-weight: 500;
}

.tool-info .project {
  font-size: 12px;
  color: var(--text-muted);
}

.value-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.value-original {
  font-weight: 500;
}

.value-converted {
  font-size: 11px;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.badge-inactive {
  background: rgba(100, 116, 139, 0.1);
  color: var(--text-muted);
}

.badge-category {
  background: rgba(59, 130, 246, 0.1);
  color: var(--navy-300);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.actions-cell {
  display: flex;
  gap: 6px;
}

.actions-cell button {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

.actions-cell button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.actions-cell button.delete-btn:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ========== MODAL ========== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 18px;
  transition: color var(--transition);
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

/* ========== UPCOMING ========== */

.upcoming-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upcoming-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.upcoming-item.urgent .days {
  color: var(--danger);
  font-weight: 600;
}

.upcoming-item.soon .days {
  color: var(--warning);
  font-weight: 600;
}

.upcoming-info .upcoming-name {
  font-size: 14px;
  font-weight: 500;
}

.upcoming-info .upcoming-project {
  font-size: 12px;
  color: var(--text-muted);
}

.upcoming-date {
  text-align: right;
}

.upcoming-date .date {
  font-size: 13px;
  font-weight: 500;
}

.upcoming-date .days {
  font-size: 11px;
  color: var(--text-muted);
}

/* ========== EMPTY STATE ========== */

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 13px;
}

/* ========== TOAST ========== */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  min-width: 260px;
}

.toast-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========== LOADING ========== */

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

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

/* ========== SECTIONS ========== */

.section {
  display: none;
}

.section.active {
  display: block;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

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

.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

/* ========== CATEGORY CHART ========== */

.card-chart {
  display: flex;
  flex-direction: column;
}

.category-chart {
  display: flex;
  align-items: center;
  gap: 24px;
  flex: 1;
}

.chart-donut-wrapper {
  flex-shrink: 0;
}

.chart-donut-wrapper svg {
  display: block;
  filter: drop-shadow(0 0 12px rgba(0,0,0,0.3));
}

.chart-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chart-legend-item {
  display: grid;
  grid-template-columns: 10px 1fr auto auto;
  align-items: center;
  gap: 8px;
}

.chart-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chart-legend-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-legend-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.chart-legend-pct {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 36px;
  text-align: right;
}

@media (max-width: 480px) {
  .category-chart {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== COLOR PICKER ========== */

.color-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.swatch:hover {
  transform: scale(1.15);
}

.swatch.selected {
  border-color: #fff;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.4);
}

.swatch.selected::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  mix-blend-mode: difference;
}

.swatch-custom {
  background: var(--bg-input);
  border: 2px dashed var(--border-color);
  color: var(--text-muted);
  overflow: hidden;
}

.swatch-custom:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.swatch-custom input[type="color"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  border: none;
  padding: 0;
}

/* ========== RESPONSIVE ========== */

@media (max-width: 1024px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .table-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .page-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  table {
    font-size: 13px;
  }

  table th, table td {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 32px 24px;
  }
}