/* ===== Variables ===== */
:root {
  --primary: #1976d2;
  --primary-dark: #1565c0;
  --secondary: #546e7a;
  --success: #388e3c;
  --danger: #d32f2f;
  --bg: #f4f6f9;
  --white: #ffffff;
  --sidebar-w: 240px;
}

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

html,
body {
  height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg);
  color: #333;
}

/* ===== Login ===== */
.login-body {
  background: linear-gradient(135deg, #1565c0 0%, #42a5f5 100%);
}

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  background: var(--white);
  border-radius: 12px;
  padding: 48px 40px;
  width: 380px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.login-logo {
  margin-bottom: 32px;
}
.login-logo .logo-icon {
  font-size: 3.5rem;
  color: #1565c0;
  display: block;
  margin-bottom: 10px;
}
.login-logo h1 {
  font-size: 1.8rem;
  color: #1565c0;
  margin-bottom: 6px;
}
.login-logo p {
  color: #666;
  font-size: 0.95rem;
}

.login-error {
  background: #fdecea;
  color: #c62828;
  border: 1px solid #ef9a9a;
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 18px;
  font-size: 0.9rem;
  text-align: left;
}

.form-group {
  text-align: left;
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #444;
  margin-bottom: 5px;
}
.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 0.97rem;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  text-align: left;
  margin-bottom: 18px;
}
.form-check-input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check-label {
  font-size: 0.88rem;
  color: #555;
  cursor: pointer;
}

.btn-login {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.1s;
  text-decoration: none;
  display: inline-block;
}
.btn-login:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-login:active {
  transform: translateY(0);
}

/* ===== App Shell ===== */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: #1a237e;
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  background: #0d47a1;
  font-size: 1.1rem;
  font-weight: 700;
}
.sidebar-header .logo-icon {
  font-size: 1.6rem;
  color: #90caf9;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  color: #bbdefb;
  text-decoration: none;
  font-size: 0.95rem;
  transition:
    background 0.2s,
    color 0.2s;
}
.nav-item .nav-icon {
  font-size: 1.1rem;
}
.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.nav-item.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-left: 3px solid #42a5f5;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
  width: 100%;
  background: transparent;
  color: #ef9a9a;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  text-decoration: none;
}
.btn-logout:hover {
  background: rgba(244, 67, 54, 0.15);
}

/* Main content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  background: var(--white);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}
.page-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1a237e;
}
.user-info {
  color: var(--secondary);
  font-size: 0.9rem;
}

.content-area {
  flex: 1;
  overflow-y: auto;
  background: var(--bg);
}

/* ===== Shared Card ===== */
.page-container {
  padding: 24px;
}

.card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 28px;
}
.card-header {
  margin-bottom: 24px;
}
.card-header h3 {
  font-size: 1.4rem;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.card-header p {
  color: #666;
  font-size: 0.9rem;
}

/* ===== Form ===== */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: #444;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group input.is-invalid,
.form-group select.is-invalid {
  border-color: var(--danger);
}

.error-msg {
  display: block;
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
}

.alert-success {
  background: #e8f5e9;
  border-left: 4px solid var(--success);
  color: var(--success);
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-weight: 600;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 11px 28px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  display: inline-block;
}
.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--white);
  color: var(--secondary);
  border: 1px solid #ccc;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  margin-left: 10px;
  transition: background 0.2s;
  text-decoration: none;
  display: inline-block;
}
.btn-secondary:hover {
  background: #eceff1;
}

.form-actions {
  display: flex;
  align-items: center;
  margin-top: 8px;
}

/* ===== Filtros ===== */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}
.filtro-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
  flex: 1;
}
.filtro-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.filtro-group input,
.filtro-group select {
  padding: 8px 12px;
  border: 1px solid #ced4da;
  border-radius: 5px;
  font-size: 0.92rem;
}
.filtro-group input:focus,
.filtro-group select:focus {
  outline: none;
  border-color: var(--primary);
}
.filtro-action {
  justify-content: flex-end;
  padding-top: 20px;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 8px;
}
.filtro-action .btn-secondary {
  margin-left: 0;
}

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

.tabla-registros {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}
.tabla-registros thead tr {
  background: #1a237e;
  color: #fff;
}
.tabla-registros thead th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.tabla-registros tbody tr {
  border-bottom: 1px solid #e9ecef;
  transition: background 0.15s;
}
.tabla-registros tbody tr:hover {
  background: #e3f2fd;
}
.tabla-registros tbody tr:last-child {
  border-bottom: none;
}
.tabla-registros tbody td {
  padding: 11px 14px;
  color: #333;
}

.badge {
  background: #e3f2fd;
  color: #1565c0;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 600;
}
.empty-msg {
  text-align: center;
  padding: 32px;
  color: #999;
  font-style: italic;
}