:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --success-color: #27ae60;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --background-color: #f8f9fa;
  --text-color: #2c3e50;
  --border-color: #dee2e6;
  --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

header p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.session-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: #2980b9;
  transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
  background-color: #c0392b;
  transform: translateY(-2px);
}

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

.btn-success:hover:not(:disabled) {
  background-color: #219a52;
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.status {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 500;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

.main-content {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.chat-container {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 70vh;
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  border-bottom: 1px solid var(--border-color);
}

.message {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  animation: fadeIn 0.3s ease;
}

.message.system {
  background-color: #f8f9fa;
  border-left: 4px solid var(--primary-color);
}

.message.user {
  background-color: var(--primary-color);
  color: white;
  margin-left: 2rem;
}

.message.assistant {
  background-color: var(--success-color);
  color: white;
  margin-right: 2rem;
}

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

.message-content ul {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
}

.message-content li {
  margin-bottom: 0.25rem;
}

.input-container {
  padding: 1.5rem;
}

.input-group {
  display: flex;
  gap: 0.75rem;
}

#command-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

#command-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

#command-input:disabled {
  background-color: #f8f9fa;
  opacity: 0.6;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.browser-viewer-panel, .status-panel, .examples-panel {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.browser-viewer-panel {
  height: 400px;
  display: flex;
  flex-direction: column;
}

.browser-viewer-panel h3 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
  font-size: 1.1rem;
}

#browser-viewer-container {
  flex: 1;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border-color);
}

.browser-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  color: #6c757d;
}

.placeholder-content {
  text-align: center;
}

.placeholder-content h4 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.placeholder-content p {
  font-size: 0.9rem;
  opacity: 0.8;
}

.browser-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

.status-panel h3, .examples-panel h3 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

#session-info p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

#session-info span {
  color: var(--primary-color);
  font-weight: 500;
}

.example-commands {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.example-btn {
  padding: 0.5rem 0.75rem;
  background-color: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  font-size: 0.9rem;
}

.example-btn:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

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

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(39, 174, 96, 0); }
  100% { box-shadow: 0 0 0 0 rgba(39, 174, 96, 0); }
}

#watch-browser-btn {
  position: relative;
  overflow: hidden;
}

/* Modal responsive styles */
#userModal .modal-dialog {
  max-width: 90%;
  width: 100%;
  margin: 1rem auto;
}

@media (min-width: 768px) {
  #userModal .modal-dialog {
    max-width: 800px;
  }
}

@media (max-width: 767px) {
  #userModal .modal-dialog {
    max-width: 100%;
    width: 100%;
    margin: 0.5rem;
  }

  #userModal .modal-content {
    border-radius: 8px;
  }
}

@media (max-width: 768px) {
  .main-content {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .session-controls {
    flex-direction: column;
  }

  .message.user {
    margin-left: 0;
  }

  .message.assistant {
    margin-right: 0;
  }
}

    .section .button:hover {
        background: linear-gradient(135deg, var(--accent-light), var(--accent));
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(132, 34, 145, 0.4);
    }

    .save-all-btn {
        background: linear-gradient(135deg, #27ae60, #2ecc71) !important;
        font-size: 18px !important;
        padding: 15px 30px !important;
        font-weight: 600 !important;
        width: 100% !important;
        margin-top: 20px !important;
    }

    .save-all-btn:hover {
        background: linear-gradient(135deg, #229954, #27ae60) !important;
        transform: translateY(-3px) !important;
        box-shadow: 0 8px 25px rgba(39, 174, 96, 0.4) !important;
    }

    /* Weiter buttons styling */
    #bloodPressureWeiter, #pulseWeiter, #temperatureWeiter, #weightWeiter, #bloodSugarWeiter, #oxygenSaturationWeiter {
        background: linear-gradient(135deg, #667eea, #764ba2);
        color: white;
        border: none;
        padding: 0.5rem 0.875rem;
        border-radius: 5px;
        cursor: pointer;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
        min-width: 120px;
        justify-content: center;
        margin-top: 1rem;
        margin-left: 0.5rem;
    }

    #bloodPressureWeiter:hover, #pulseWeiter:hover, #temperatureWeiter:hover, #weightWeiter:hover, #bloodSugarWeiter:hover, #oxygenSaturationWeiter:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        background: linear-gradient(135deg, #5a67d8, #6b46c1);
    }

    /* Next icon for Weiter buttons */
    #bloodPressureWeiter::before, #pulseWeiter::before, #temperatureWeiter::before, #weightWeiter::before, #bloodSugarWeiter::before, #oxygenSaturationWeiter::before {
        content: "→";
        font-size: 1.2rem;
        font-weight: bold;
        margin-right: 0.3rem;
    }