/* ==========================================================================
   Carranza Cursos — Sistema Interno
   Identidade visual: vermelho + preto + branco
   ========================================================================== */

:root {
  --carranza-red:        #C8102E;
  --carranza-red-dark:   #8E0A1F;
  --carranza-red-light:  #E63E5C;
  --carranza-black:      #111111;
  --carranza-gray-900:   #1a1a1a;
  --carranza-gray-800:   #2a2a2a;
  --carranza-gray-700:   #3a3a3a;
  --carranza-gray-200:   #e9e9e9;
  --carranza-gray-100:   #f5f5f5;
  --carranza-white:      #ffffff;
  --sidebar-width:       240px;
}

/* ---------------- BASE ---------------- */
html, body {
  background: var(--carranza-gray-100);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--carranza-black);
}

a { color: var(--carranza-red); }
a:hover { color: var(--carranza-red-dark); }

/* ---------------- LAYOUT ---------------- */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--carranza-black);
  color: #f0f0f0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar-brand {
  background: var(--carranza-red);
  color: #fff;
  padding: 20px 18px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
  text-align: center;
  border-bottom: 3px solid var(--carranza-red-dark);
}

.sidebar-brand small {
  display: block;
  font-size: 0.65rem;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 2px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 10px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  color: #d0d0d0;
  text-decoration: none;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sidebar-nav a:hover {
  background: var(--carranza-gray-800);
  color: #fff;
}

.sidebar-nav a.active {
  background: var(--carranza-gray-900);
  color: #fff;
  border-left-color: var(--carranza-red);
  font-weight: 600;
}

.sidebar-nav .nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: #888;
  padding: 16px 18px 6px;
}

.sidebar-foot {
  padding: 12px 18px;
  border-top: 1px solid var(--carranza-gray-800);
  font-size: 0.78rem;
  color: #aaa;
}

.sidebar-foot .user-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-foot .nivel-pill {
  display: inline-block;
  background: var(--carranza-red);
  color: #fff;
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-foot a {
  color: #ddd;
  text-decoration: none;
}
.sidebar-foot a:hover { color: var(--carranza-red-light); }

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 28px 32px 60px;
  min-width: 0;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--carranza-gray-200);
}

.page-header h1 {
  font-size: 1.55rem;
  font-weight: 700;
  margin: 0;
  color: var(--carranza-black);
}

.page-header h1 .header-accent {
  color: var(--carranza-red);
}

.page-header .subtitle {
  margin-top: 4px;
  color: #666;
  font-size: 0.92rem;
}

/* ---------------- BOTÕES ---------------- */
.btn-carranza {
  background: var(--carranza-red);
  color: #fff;
  border: none;
  font-weight: 600;
}
.btn-carranza:hover { background: var(--carranza-red-dark); color: #fff; }

.btn-outline-carranza {
  background: transparent;
  color: var(--carranza-red);
  border: 1.5px solid var(--carranza-red);
  font-weight: 600;
}
.btn-outline-carranza:hover {
  background: var(--carranza-red);
  color: #fff;
}

/* ---------------- CARDS ---------------- */
.card {
  border: none;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.card-stat {
  border-left: 4px solid var(--carranza-red);
}

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

.card-stat .stat-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #777;
  margin-top: 6px;
}

/* ---------------- TABELAS ---------------- */
.table-carranza {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
}

.table-carranza thead {
  background: var(--carranza-black);
  color: #fff;
}

.table-carranza thead th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  border: none;
  padding: 12px;
}

.table-carranza tbody td {
  vertical-align: middle;
  padding: 12px;
}

.table-carranza tbody tr:hover {
  background: #fff5f5;
}

/* ---------------- LOGIN ---------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--carranza-black) 0%, var(--carranza-red-dark) 100%);
  padding: 20px;
}

.login-box {
  background: #fff;
  border-radius: 10px;
  padding: 40px 36px;
  width: 100%;
  max-width: 410px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

.login-box .logo-area {
  text-align: center;
  margin-bottom: 28px;
}

.login-box .logo-area .brand {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--carranza-red);
  letter-spacing: 1px;
}

.login-box .logo-area small {
  display: block;
  color: #888;
  margin-top: 4px;
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.login-box label { font-weight: 600; font-size: 0.85rem; color: #333; }
.login-box .form-control:focus {
  border-color: var(--carranza-red);
  box-shadow: 0 0 0 0.2rem rgba(200, 16, 46, 0.15);
}

/* ---------------- BADGES E STATUS ---------------- */
.badge { font-weight: 600; padding: 6px 9px; }

/* ---------------- RESPONSIVO ---------------- */
@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
    width: 240px;
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 18px; }
  .topbar-mobile { display: flex !important; }
}

.topbar-mobile {
  display: none;
  background: var(--carranza-black);
  color: #fff;
  padding: 12px 16px;
  align-items: center;
  justify-content: space-between;
  margin: -28px -32px 22px;
}

.topbar-mobile .brand {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.topbar-mobile .toggle {
  background: var(--carranza-red);
  border: none;
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
}

/* ---------------- UTILITÁRIOS ---------------- */
.text-carranza { color: var(--carranza-red) !important; }
.bg-carranza { background-color: var(--carranza-red) !important; color: #fff; }
.border-carranza { border-color: var(--carranza-red) !important; }

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: #888;
}
.empty-state .icon {
  font-size: 3rem;
  color: #ccc;
  margin-bottom: 14px;
}