:root {
  --bg-main: #f3f6fb;
  --bg-card: rgba(255, 255, 255, 0.8);
  --accent: #3b82f6;
  --accent-soft: #dbeafe;
  --danger: #ef4444;
  --success: #16a34a;
  --warning: #f59e0b;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border-soft: rgba(148, 163, 184, 0.3);
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.1);
  --radius-lg: 18px;
}

/* Reset simple */
*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #e0f2fe, #f3f4f6 40%, #e5e7eb 100%);
  color: var(--text-main);
}

/* Login */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1.5rem;
}
.glass {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}
.login-card {
  padding: 2rem;
}
.login-card h1 {
  margin: 0 0 0.5rem;
}
.login-subtitle {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.login-help {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* App layout */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo {
  font-weight: 700;
  color: var(--accent);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.user-name {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.btn-logout {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-main);
  background: white;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 56px;
  left: 0;
  width: 220px;
  height: calc(100% - 56px);
  background: rgba(255, 255, 255, 0.9);
  border-right: 1px solid var(--border-soft);
  padding: 1rem 0.75rem;
  overflow-y: auto;
}
.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.sidebar li {
  margin-bottom: 0.5rem;
}
.sidebar a {
  display: block;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-main);
}
.sidebar a:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Main content */
.main-content {
  margin-left: 220px;
  padding: 1.5rem;
}

/* Sections */
.section {
  margin-bottom: 2rem;
}
.section-title {
  font-size: 1.5rem;
  margin: 0 0 0.25rem;
}
.section-description {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  font-size: 0.9rem;
}
.section-subtitle {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

/* Cards & statistics */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.stat-card {
  padding: 1.25rem;
}
.stat-number {
  font-size: 2rem;
  font-weight: 700;
  margin: 0.25rem 0;
}
.stat-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.highlight {
  color: var(--accent);
}

/* Forms */
.form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}
.form-group label {
  font-weight: 500;
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  font-size: 0.9rem;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}
.form-row {
  display: flex;
  gap: 0.5rem;
}
.form-row .form-group {
  flex: 1;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #22c55e);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.55rem 1.3rem;
  font-size: 0.9rem;
  cursor: pointer;
}
.btn-primary:hover {
  filter: brightness(1.05);
}
.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  cursor: pointer;
}
.btn-sm {
  font-size: 0.75rem;
}

/* Alerts */
.alert {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.alert-success {
  background: #dcfce7;
  color: #15803d;
}
.alert-error {
  background: #fee2e2;
  color: #b91c1c;
}

/* Tables */
.table-card {
  padding: 1rem;
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
}
th {
  font-weight: 600;
  background: rgba(248, 250, 252, 0.8);
}

/* Badges y filas color */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
}
.badge-info {
  background: #e0f2fe;
  color: #0369a1;
}
.badge-warning {
  background: #fef9c3;
  color: #92400e;
}
.badge-success {
  background: #dcfce7;
  color: #166534;
}
.row-ready {
  background: #dcfce7;
}
.row-soon {
  background: #fef9c3;
}

/* Layout columns */
.two-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
  gap: 1rem;
}

/* Help list */
.help-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.help-list li {
  margin-bottom: 0.35rem;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 0.85rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Menu responsive */
.menu-toggle {
  display: none;
  border: none;
  background: #e5e7eb;
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
}

/* Responsive */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
    padding: 1rem;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .two-columns {
    grid-template-columns: 1fr;
  }
}