/* Reset & Base Styles */
:root {
  --primary: #1a3c6c;
  --primary-dark: #0f2a4d;
  --secondary: #2c5282;
  --success: #38a169;
  --danger: #e53e3e;
  --warning: #dd6b20;
  --info: #3182ce;
  --light: #f7fafc;
  --dark: #1a202c;
  --gray: #4a5568;
  --white: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
  background-color: #f8fafc;
  color: var(--dark);
  line-height: 1.6;
  padding: 20px;
  font-feature-settings: "liga" 1, "kern" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Header Styles */
.header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  border-bottom: 3px solid rgba(255, 255, 255, 0.1);
}

.header h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -0.8px;
  font-feature-settings: "liga" 1;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.saldo-display {
  background-color: rgba(255, 255, 255, 0.15);
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.3rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.saldo-display:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  background-color: rgba(255, 255, 255, 0.2);
}

#saldo {
  font-size: 1.6rem;
  color: #f6e05e;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Section Styles */
.section {
  padding: 2.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.section:last-child {
  border-bottom: none;
}

.section h2 {
  color: var(--primary);
  margin-bottom: 1.8rem;
  font-size: 1.9rem;
  position: relative;
  padding-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  font-feature-settings: "liga" 1;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  border-radius: 2px;
}

/* Button Group Styles */
.button-group {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.button-group .btn-secondary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  min-width: 160px;
  justify-content: center;
  letter-spacing: 0.2px;
  font-feature-settings: "liga" 1;
  background: linear-gradient(135deg, #f7fafc, #edf2f7);
  color: var(--gray);
  border: 1px solid #e2e8f0;
}

.button-group .btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, #ffffff, #f7fafc);
  border-color: #cbd5e0;
}

.button-group .btn-secondary i {
  font-size: 1.1rem;
}

/* Form Styles */
.form-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.form-table tr:not(:last-child) {
  margin-bottom: 1.5rem;
}

.form-table td {
  padding: 1rem 0;
}

.form-table label {
  font-weight: 600;
  color: var(--gray);
  letter-spacing: 0.1px;
  margin-bottom: 0.5rem;
  display: block;
  font-size: 0.95rem;
}

.form-table input,
.form-table select {
  width: 100%;
  padding: 1rem 1.2rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1.05rem;
  transition: var(--transition);
  background-color: var(--white);
  font-weight: 400;
  letter-spacing: 0.1px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-table input:focus,
.form-table select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26, 60, 108, 0.1);
  background-color: #f8fafc;
}

.form-table input {
  background-color: #f8fafc;
}

.form-table input:hover,
.form-table select:hover {
  border-color: #cbd5e0;
}

/* Button Styles */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border: none;
  padding: 1.1rem 1.8rem;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(26, 60, 108, 0.25);
  width: 100%;
  letter-spacing: 0.3px;
  font-feature-settings: "liga" 1;
  text-transform: none;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #0a1e3c);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 60, 108, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #c53030);
  color: var(--white);
  border: none;
  padding: 0.7rem 1.3rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 6px rgba(229, 62, 62, 0.2);
  margin-right: 0.7rem;
  letter-spacing: 0.1px;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #c53030, #9b2c2c);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--gray), #2d3748);
  color: var(--white);
  border: none;
  padding: 0.7rem 1.3rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 6px rgba(74, 85, 104, 0.2);
  letter-spacing: 0.1px;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #2d3748, #1a202c);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 85, 104, 0.3);
}

/* Table Styles */
.table-container {
  overflow-x: auto;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background-color: var(--white);
  font-feature-settings: "liga" 1;
}

.data-table thead {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
}

.data-table th {
  padding: 1.2rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  font-feature-settings: "liga" 1;
  text-transform: none;
}

.data-table tbody tr {
  border-bottom: 1px solid #edf2f7;
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background-color: #f7fafc;
  transform: scale(1.005);
}

.data-table tbody tr:last-child {
  border-bottom: none;
}

.data-table td {
  padding: 1.2rem 1rem;
  color: var(--dark);
  letter-spacing: 0.1px;
  font-size: 0.95rem;
}

.data-table td:last-child {
  white-space: nowrap;
  text-align: center;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(8px);
}

.modal-content {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  max-width: 550px;
  width: 95%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(-30px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.modal.show .modal-content {
  transform: translateY(0);
  opacity: 1;
}

.modal h3 {
  color: var(--primary);
  margin-bottom: 1.2rem;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.modal p {
  margin-bottom: 2.2rem;
  color: var(--gray);
  letter-spacing: 0.1px;
  line-height: 1.7;
  font-size: 1.05rem;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 1.2rem;
}

.modal-buttons button {
  padding: 0.8rem 1.8rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.2px;
  font-size: 1rem;
}

/* Toast Notification */
#toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  max-width: 320px;
  padding: 1.2rem 1.5rem;
  background-color: var(--success);
  color: var(--white);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(56, 161, 105, 0.3);
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  letter-spacing: 0.1px;
  font-weight: 500;
  border-left: 4px solid #2f855a;
}

#toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Chart Container */
#grafik {
  width: 100% !important;
  height: auto !important;
  max-height: 450px;
  background-color: var(--white);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header {
    padding: 1.8rem 1.5rem;
  }
  
  .header h1 {
    font-size: 2.2rem;
  }
  
  .section {
    padding: 1.8rem;
  }
  
  .button-group {
    flex-direction: column;
    gap: 0.8rem;
  }
  
  .button-group .btn-secondary {
    width: 100%;
    min-width: auto;
    padding: 0.9rem 1.2rem;
  }
  
  .form-table td {
    display: block;
    width: 100%;
    padding: 0.7rem 0;
  }
  
  .form-table tr {
    margin-bottom: 1.2rem;
  }
  
  .data-table th, 
  .data-table td {
    padding: 0.9rem 0.8rem;
    font-size: 0.9rem;
  }
  
  .data-table td:last-child {
    text-align: left;
  }
  
  .modal-content {
    padding: 1.8rem;
    margin: 0 10px;
  }
  
  .modal-buttons {
    flex-direction: column;
  }
  
  .modal-buttons button {
    width: 100%;
  }
  
  #toast {
    bottom: 20px;
    right: 20px;
    left: 20px;
    max-width: none;
  }
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}

.section {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 10px;
  border: 2px solid #f1f5f9;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Focus Styles */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Selection Styles */
::selection {
  background-color: rgba(26, 60, 108, 0.2);
  color: var(--dark);
}