/* Legal Drafter - Modern CSS Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #2d3748;
  line-height: 1.6;
}

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

/* ========== AUTH SECTION ========== */
#auth-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.auth-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.auth-card h1 {
  text-align: center;
  color: #1a202c;
  font-size: 2.2em;
  font-weight: 600;
  margin-bottom: 10px;
}

.auth-card .subtitle {
  text-align: center;
  color: #718096;
  font-size: 1.1em;
  margin-bottom: 30px;
}

.auth-card h2 {
  color: #2d3748;
  font-size: 1.4em;
  font-weight: 500;
  margin-bottom: 25px;
  text-align: center;
}

.auth-card form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-card input {
  font-size: 1em;
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid #e2e8f0;
  background: #fff;
  transition: all 0.3s ease;
  font-family: inherit;
}

.auth-card input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.auth-card button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 1.1em;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.auth-card button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.switch-auth {
  background: none !important;
  color: #667eea !important;
  border: none;
  margin-top: 15px;
  cursor: pointer;
  text-align: center;
  padding: 10px;
  font-size: 0.95em;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.switch-auth:hover {
  color: #764ba2 !important;
  transform: none !important;
  box-shadow: none !important;
}

/* ========== MAIN APP ========== */
#main-app {
  display: flex;
  flex: 1;
  min-height: 0;
  background: #f7fafc;
}

/* ========== SIDEBAR ========== */
#sidebar {
  width: 280px;
  background: linear-gradient(180deg, #2d3748 0%, #1a202c 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

#sidebar h2 {
  margin: 25px 20px 15px 20px;
  font-size: 1.3em;
  font-weight: 600;
  color: #e2e8f0;
}

#convo-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 15px;
}

.convo-item {
  padding: 15px 18px;
  cursor: pointer;
  border: none;
  background: none;
  color: #cbd5e0;
  text-align: left;
  width: 100%;
  border-radius: 10px;
  margin-bottom: 8px;
  transition: all 0.3s ease;
  font-size: 0.9em;
  line-height: 1.4;
}

.convo-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateX(5px);
}

.convo-item.selected {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.sidebar-actions {
  padding: 20px;
  border-top: 1px solid #4a5568;
  display: flex;
  gap: 10px;
}

.sidebar-actions button {
  background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9em;
  font-weight: 500;
  transition: all 0.3s ease;
  flex: 1;
}

.sidebar-actions button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(72, 187, 120, 0.3);
}

.sidebar-actions button:disabled {
  background: #4a5568;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#delete-convo-btn {
  background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%) !important;
}

#delete-convo-btn:hover:not(:disabled) {
  box-shadow: 0 6px 16px rgba(245, 101, 101, 0.3) !important;
}

/* ========== CHAT SECTION ========== */
#chat-section {
  flex: 2;
  background: #fff;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #e2e8f0;
  min-width: 0;
}

#chat {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.msg {
  padding: 16px 20px;
  border-radius: 18px;
  max-width: 75%;
  word-break: break-word;
  font-size: 1em;
  line-height: 1.5;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.msg.user {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  align-self: flex-end;
  margin-left: auto;
}

.msg.agent {
  background: #f7fafc;
  border: 1px solid #e2e8f0;
  color: #2d3748;
  align-self: flex-start;
  margin-right: auto;
}

#input-row {
  display: flex;
  border-top: 1px solid #e2e8f0;
  padding: 20px;
  background: #f9fafb;
  gap: 15px;
}

#user-input {
  flex: 1;
  font-size: 1em;
  padding: 14px 18px;
  border-radius: 12px;
  border: 2px solid #e2e8f0;
  background: #fff;
  transition: all 0.3s ease;
  font-family: inherit;
}

#user-input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#input-row button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 1em;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

#input-row button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

#input-row button:disabled {
  background: #a0aec0;
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
}

/* ========== DOCUMENT SECTION ========== */
#document-section {
  flex: 1.3;
  background: #f9fafb;
  padding: 30px 25px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#document-section h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.3em;
  font-weight: 600;
  color: #2d3748;
}

#document-content {
  flex: 1;
  background: #fff;
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  overflow-y: auto;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.95em;
  color: #2d3748;
  white-space: pre-wrap;
  line-height: 1.6;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
  #main-app {
    flex-direction: column;
  }
  
  #sidebar {
    width: 100%;
    height: auto;
    flex-direction: row;
    overflow-x: auto;
  }
  
  .auth-card {
    margin: 20px;
    padding: 30px;
  }
  
  .auth-card h1 {
    font-size: 1.8em;
  }
  
  .auth-card .subtitle {
    font-size: 1em;
  }
  
  #chat {
    padding: 20px;
  }
  
  #document-section {
    padding: 20px;
  }
  
  .msg {
    max-width: 85%;
  }
}

@media (max-width: 480px) {
  .auth-card {
    padding: 25px;
  }
  
  .auth-card h1 {
    font-size: 1.6em;
  }
  
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: auto;
    z-index: 1000;
    width: 100%;
    flex-direction: column;
    max-height: 200px;
  }
  
  #chat-section {
    margin-top: 200px;
  }
  
  #chat {
    padding: 15px;
  }
  
  #document-section {
    padding: 15px;
  }
  
  .msg {
    padding: 12px 16px;
    font-size: 0.9em;
  }
}

/* ========== LOADING STATES ========== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #667eea;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
}

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

/* ========== ACCESSIBILITY ========== */
button:focus,
input:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}

.convo-item:focus {
  outline: 2px solid #667eea;
  outline-offset: -2px;
}

/* ========== UTILITY CLASSES ========== */
.hidden {
  display: none !important;
}

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

.text-muted {
  color: #718096;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.p-0 {
  padding: 0 !important;
}