:root {
  --color-bg: #0B1320;
  --color-surface: #111d33;
  --color-surface2: #162040;
  --color-primary: #1D4ED8;
  --color-accent: #38BDF8;
  --color-muted: #64748B;
  --color-text: #F1F5F9;
  --color-text-secondary: #94a3b8;
  --color-border: rgba(56,189,248,0.1);
  --color-success: #22c55e;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

[data-theme="light"] {
  --color-bg: #F1F5F9;
  --color-surface: #ffffff;
  --color-surface2: #e2e8f0;
  --color-primary: #1D4ED8;
  --color-accent: #38BDF8;
  --color-muted: #64748B;
  --color-text: #0B1320;
  --color-text-secondary: #475569;
  --color-border: rgba(29,78,216,0.1);
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-warning: #d97706;
}

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

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', 'DM Sans', sans-serif;
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}

a { color: var(--color-accent); text-decoration: none; }

/* LAYOUT */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0;
  width: 260px;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 0 24px 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.sidebar-logo img {
  mix-blend-mode: lighten;
  width: 160px;
  height: auto;
  transition: all 0.3s;
}

[data-theme="light"] .sidebar-logo img {
  mix-blend-mode: normal;
  background: #0B1320;
  border-radius: 8px;
  padding: 8px 12px;
  width: 136px;
}

.sidebar-nav {
  flex: 1;
  padding: 0 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 4px;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--color-surface2);
  color: var(--color-text);
}

.nav-item.active {
  background: rgba(29,78,216,0.15);
  color: var(--color-accent);
  border-left: 3px solid var(--color-accent);
}

.nav-icon { font-size: 18px; width: 24px; text-align: center; }

.sidebar-footer {
  padding: 16px 12px 0;
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

/* MAIN */
.main {
  width: calc(100vw - 260px);
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
  box-sizing: border-box;
}

/* TOPBAR */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.topbar-title h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.topbar-title p {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 4px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* CARDS EM LINHA UNICA */
.cards-grid {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-bottom: 32px;
  overflow-x: auto;
  padding-bottom: 4px;
}

/* Cada card ocupa espaço igual na linha */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  flex: 1;
  min-width: 160px;
  max-width: 240px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover { border-color: rgba(56,189,248,0.3); transform: translateY(-2px); }

.card-icon {
  font-size: 24px;
  margin-bottom: 12px;
}

.card-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.card-label {
  font-size: 12px;
  color: var(--color-muted);
}

/* TABLE */
.table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.table-header h2 { font-size: 16px; font-weight: 600; }

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

th {
  text-align: left;
  padding: 12px 24px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-surface2);
}

td {
  padding: 16px 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-surface2); }

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: rgba(34,197,94,0.1); color: var(--color-success); }
.badge-error   { background: rgba(239,68,68,0.1);  color: var(--color-error); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--color-warning); }
.badge-info    { background: rgba(56,189,248,0.1); color: var(--color-accent); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: #1a44c2; }
.btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid var(--color-border); }
.btn-ghost:hover { background: var(--color-surface2); color: var(--color-text); }
.btn-danger { background: rgba(239,68,68,0.1); color: var(--color-error); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* THEME TOGGLE */
.theme-toggle {
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 16px;
  color: var(--color-text);
  transition: all 0.2s;
}

.theme-toggle:hover { border-color: var(--color-accent); }

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.2s;
}

.modal-overlay.active .modal { transform: translateY(0); }

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
}

/* FORMS */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--color-text-secondary); margin-bottom: 6px; }

.form-input {
  width: 100%;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-text);
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus { border-color: var(--color-accent); }

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

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ALERT */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-error { background: rgba(239,68,68,0.1); color: var(--color-error); border: 1px solid rgba(239,68,68,0.2); }
.alert-success { background: rgba(34,197,94,0.1); color: var(--color-success); border: 1px solid rgba(34,197,94,0.2); }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-muted); border-radius: 100px; }

/* HAMBURGUER */
.hamburger {
  display: none;
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text);
  line-height: 1;
  transition: all 0.2s;
}
.hamburger:hover { border-color: var(--color-accent); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* TABLET (768px - 1024px) */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    transform: translateX(-280px);
    transition: transform 0.3s ease;
    z-index: 100;
  }
  .sidebar.open { transform: translateX(0); }
  .main {
    width: 100% !important;
    margin-left: 0 !important;
    padding: 20px;
    max-width: 100vw;
    overflow-x: hidden;
  }
  .hamburger { display: flex; }
  .form-row { grid-template-columns: 1fr 1fr; }
}

/* MOBILE (<768px) */
@media (max-width: 768px) {
  .main { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .cards-grid { flex-wrap: wrap; }
  .card { min-width: 140px; }
  .topbar-title h1 { font-size: 18px; }
  table { font-size: 13px; }
  th, td { padding: 10px 12px; }
}