/* RAM Machine Simulator Styles - ИТОГОВАЯ ВЕРСИЯ */
:root {
  /* Цветовая схема для тёмной темы */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --accent-primary: #4a9eff;
  --accent-secondary: #6bb6ff;
  --success: #4caf50;
  --warning: #ff9800;
  --error: #f44336;
  --export: #9c27b0;
  --export-hover: #7b1fa2;
  --border: #404040;
}

[data-theme="light"] {
  /* Цветовая схема для светлой темы */
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --text-primary: #333333;
  --text-secondary: #666666;
  --accent-primary: #2196f3;
  --accent-secondary: #1976d2;
  --export: #9c27b0;
  --export-hover: #7b1fa2;
  --border: #e0e0e0;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: all 0.3s ease;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Заголовок */
.app-header {
  background-color: var(--bg-secondary);
  padding: 20px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  border-bottom: 1px solid var(--border);
}

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

.app-header h1 {
  font-size: 2rem;
  color: var(--accent-primary);
  margin-bottom: 5px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Переключатель темы - ИСПРАВЛЕНО */
.theme-switch {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-switch label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.theme-switch input[type="checkbox"] {
  display: none;
}

.slider {
  width: 50px;
  height: 25px;
  background-color: var(--border);
  border-radius: 25px;
  position: relative;
  cursor: pointer;
  transition: 0.3s;
}

.slider:before {
  content: "";
  height: 19px;
  width: 19px;
  border-radius: 50%;
  background-color: white;
  position: absolute;
  left: 3px;
  top: 3px;
  transition: 0.3s;
}

input:checked + .slider {
  background-color: var(--accent-primary);
}

input:checked + .slider:before {
  transform: translateX(25px);
}

.theme-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Основная сетка */
.app-main {
  padding: 30px 0;
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 25px;
}

.card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  border: 1px solid var(--border);
}

.card__header h3 {
  color: var(--accent-primary);
  margin-bottom: 20px;
  font-size: 1.3rem;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: 10px;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Формы */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.form-control {
  padding: 12px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.program-editor {
  font-family: 'Courier New', monospace;
  resize: vertical;
  min-height: 200px;
  font-size: 0.9rem;
}

/* Кнопки */
.control-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  flex: 1;
  min-width: 80px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-secondary);
  transform: translateY(-1px);
}

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

.btn-success:hover:not(:disabled) {
  background-color: #45a049;
  transform: translateY(-1px);
}

.btn-info {
  background-color: #17a2b8;
  color: white;
}

.btn-info:hover:not(:disabled) {
  background-color: #138496;
  transform: translateY(-1px);
}

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

.btn-warning:hover:not(:disabled) {
  background-color: #e68900;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background-color: #5a6268;
  transform: translateY(-1px);
}

/* Стили для кнопки экспорта */
.btn-export {
  background-color: var(--export);
  color: white;
  min-width: 100%;
  font-weight: 600;
}

.btn-export:hover:not(:disabled) {
  background-color: var(--export-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(156, 39, 176, 0.3);
}

.btn-export:active:not(:disabled) {
  transform: translateY(0);
}

/* Отображение программы */
.program-display {
  background-color: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 15px;
  max-height: 300px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}

.program-line {
  padding: 4px 8px;
  border-left: 3px solid transparent;
  margin: 2px 0;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.program-line.current {
  background-color: rgba(74, 158, 255, 0.2);
  border-left-color: var(--accent-primary);
  font-weight: bold;
}

.no-program {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  padding: 20px;
}

/* Регистры */
.registers-display {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.register {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.register.accumulator {
  border-color: var(--accent-primary);
  background-color: rgba(74, 158, 255, 0.1);
}

.register.empty {
  opacity: 0.6;
}

.reg-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.reg-value {
  font-family: 'Courier New', monospace;
  color: var(--accent-primary);
  font-weight: bold;
}

/* Счётчик команд */
.program-counter {
  background-color: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  text-align: center;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  color: var(--accent-primary);
}

/* Ленты */
.tape {
  background-color: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 15px;
  min-height: 60px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: flex-start;
}

.tape-empty {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  width: 100%;
  padding: 10px;
}

.tape-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  margin: 2px;
  background-color: var(--accent-primary);
  color: white;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  min-width: 30px;
}

.tape-item.read {
  opacity: 0.6;
  background-color: #666;
}

.tape-item.current {
  background-color: var(--success);
  animation: pulse 1s infinite;
}

/* Текущая команда */
.current-command {
  background-color: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font-family: 'Courier New', monospace;
  font-weight: bold;
  text-align: center;
  color: var(--accent-primary);
}

/* Статистика */
.stats {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  padding: 15px;
  background-color: var(--bg-primary);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.stat-item {
  text-align: center;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
}

.stat-item span:last-child {
  font-weight: bold;
  color: var(--accent-primary);
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  display: block;
  margin-top: 2px;
}

/* Контрол скорости */
.speed-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.speed-control input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
}

.speed-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
}

.speed-control input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
  border: none;
}

#speed-display {
  font-family: 'Courier New', monospace;
  color: var(--accent-primary);
  font-weight: bold;
  min-width: 60px;
  text-align: right;
}

/* Статус выполнения */
.execution-status {
  padding: 8px 12px;
  border-radius: 6px;
  text-align: center;
  font-weight: 500;
  font-size: 0.9rem;
}

.status-stopped {
  background-color: rgba(108, 117, 125, 0.2);
  color: #6c757d;
  border: 1px solid #6c757d;
}

.status-running {
  background-color: rgba(76, 175, 80, 0.2);
  color: var(--success);
  border: 1px solid var(--success);
  animation: pulse 2s infinite;
}

.status-finished {
  background-color: rgba(76, 175, 80, 0.2);
  color: var(--success);
  border: 1px solid var(--success);
}

.status-error {
  background-color: rgba(244, 67, 54, 0.2);
  color: var(--error);
  border: 1px solid var(--error);
}

/* Лог выполнения */
.execution-log {
  background-color: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 15px;
  max-height: 200px;
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
}

.log-entry {
  padding: 2px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
}

.log-entry:last-child {
  border-bottom: none;
}

.log-empty {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  padding: 20px;
}

/* Toast уведомления */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 16px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  margin-bottom: 8px;
  border-left: 4px solid var(--accent-primary);
  animation: slideIn 0.3s ease;
  min-width: 300px;
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--error);
}

.toast.warning {
  border-left-color: var(--warning);
}

/* Анимации */
@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.6; }
  100% { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Адаптивность */
@media (max-width: 1200px) {
  .simulator-grid {
    grid-template-columns: 1fr 1fr;
  }

  .right-panel {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .simulator-grid {
    grid-template-columns: 1fr;
  }

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

  .button-row {
    justify-content: center;
  }

  .btn {
    min-width: 100px;
  }

  .stats {
    flex-direction: column;
    text-align: center;
  }

  .tape {
    justify-content: center;
  }
}