/* Reset y variables */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-success: #16a34a;
  --color-success-dark: #15803d;
  --color-danger: #dc2626;
  --color-danger-dark: #b91c1c;
  --color-warning: #f59e0b;
  --color-secondary: #64748b;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Contenedores */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

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

.login-box {
  background: var(--color-card);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-box h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.subtitle {
  color: var(--color-text-light);
  margin-bottom: 30px;
  font-size: 0.9rem;
}

/* Header */
.app-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  margin: -20px -20px 20px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-header h1 {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-info span {
  font-weight: 500;
  color: var(--color-text);
}

/* Cards */
.card {
  background: var(--color-card);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: var(--color-text);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-header h2 {
  margin-bottom: 0;
}

/* Formularios */
.login-form {
  margin-top: 30px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Botones */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover {
  background: var(--color-success-dark);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover {
  background: var(--color-danger-dark);
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--color-warning);
  color: white;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-secondary);
  color: white;
}

.btn-secondary:hover {
  background: #475569;
}

.btn-block {
  width: 100%;
}

.btn-large {
  padding: 18px 30px;
  font-size: 1.1rem;
  min-width: 150px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Reloj */
.clock {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin: 20px 0;
  font-variant-numeric: tabular-nums;
}

.date {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 30px;
  font-size: 1.1rem;
  text-transform: capitalize;
}

/* Mensajes */
.message {
  padding: 12px 16px;
  border-radius: 8px;
  margin-top: 20px;
  font-weight: 500;
}

.message-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.message-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.error-message {
  color: var(--color-danger);
  font-size: 0.9rem;
  margin-top: 10px;
  padding: 10px;
  background: #fee2e2;
  border-radius: 6px;
}

/* Filtros */
.filters {
  margin-bottom: 20px;
}

.filters select {
  padding: 10px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: white;
  cursor: pointer;
  min-width: 200px;
}

.filters select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Registros */
.registros-container {
  max-height: 600px;
  overflow-y: auto;
}

.registro-dia {
  margin-bottom: 25px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}

.registro-fecha {
  background: var(--color-bg);
  padding: 12px 16px;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.registro-tabla {
  width: 100%;
  border-collapse: collapse;
}

.registro-tabla thead {
  background: var(--color-bg);
}

.registro-tabla th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.85rem;
  text-transform: uppercase;
}

.registro-tabla td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.registro-tabla tr:last-child td {
  border-bottom: none;
}

.tipo-entrada {
  background: #f0fdf4;
}

.tipo-salida {
  background: #fef2f2;
}

/* Badges */
.badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}

.badge-entrada {
  background: #dcfce7;
  color: #166534;
}

.badge-salida {
  background: #fee2e2;
  color: #991b1b;
}

/* Textos auxiliares */
.loading,
.empty-text,
.error-text {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-light);
}

.help-text {
  margin-top: 15px;
  color: var(--color-text-light);
  font-size: 0.9rem;
  text-align: center;
}

.footer-text {
  margin-top: 30px;
  color: var(--color-text-light);
  font-size: 0.8rem;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: 20px;
  color: var(--color-text-light);
  font-size: 0.85rem;
  margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .login-box {
    padding: 30px 20px;
  }

  .app-header {
    margin: -15px -15px 15px;
    padding: 15px;
  }

  .header-content {
    flex-direction: column;
    gap: 15px;
  }

  .card {
    padding: 20px 15px;
  }

  .clock {
    font-size: 2.5rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }

  .registro-tabla {
    font-size: 0.9rem;
  }

  .registro-tabla th,
  .registro-tabla td {
    padding: 10px 12px;
  }
}

@media (max-width: 480px) {
  .clock {
    font-size: 2rem;
  }

  .date {
    font-size: 1rem;
  }

  .btn-large {
    padding: 15px 20px;
    font-size: 1rem;
  }
}

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeIn 0.3s ease-out;
}

/* Scrollbar personalizado */
.registros-container::-webkit-scrollbar {
  width: 8px;
}

.registros-container::-webkit-scrollbar-track {
  background: var(--color-bg);
  border-radius: 4px;
}

.registros-container::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.registros-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}