/* Modern Professional UI - Lava Mail */

/* CSS Variables for consistent theming */
:root {
  --primary-color: #667eea;
  --primary-dark: #5a6fd8;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --success-color: #4facfe;
  --warning-color: #f093fb;
  --error-color: #ff6b6b;
  --text-primary: #ffffff;
  --text-secondary: #e0e0e0;
  --text-muted: #b0b0b0;
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-light: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-bg: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  --border-radius: 16px;
  --border-radius-small: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--gradient-bg);
  background-attachment: fixed;
  font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background Particles */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-10px, -10px) scale(1.05); }
  50% { transform: translate(10px, -5px) scale(1.02); }
  75% { transform: translate(-5px, 10px) scale(1.03); }
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

header h1 {
  font-size: 4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

header h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 1px;
}

/* Email Generation Section */
.email-generation {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-medium);
  position: relative;
  overflow: hidden;
}

.email-generation::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.email-box {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.email-input {
  position: relative;
  flex: 1;
}

.email-input input[type="text"] {
  width: 100%;
  padding: 1.2rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.email-input input[type="text"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
}

.email-input input[type="text"]::placeholder {
  color: var(--text-muted);
}

/* Success glow effect for email generation */
.success-glow {
  animation: successGlow 2s ease-in-out;
}

@keyframes successGlow {
  0%, 100% { box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1); }
  50% { box-shadow: 0 0 20px rgba(102, 126, 234, 0.5); }
}

.email-buttons {
  display: flex;
  gap: 0.75rem;
}

.btn {
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Copy success animation */
.copy-success {
  animation: copySuccess 1s ease-in-out;
}

@keyframes copySuccess {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); background: var(--success-color); }
  100% { transform: scale(1); }
}

.email-generation button i,
.manual-restore button i {
  font-size: 1.2em;
}

/* Domain Select */
.domain-select {
  margin-top: 1.5rem;
}

.domain-select select {
  width: 100%;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 1rem center;
  background-repeat: no-repeat;
  background-size: 1.5em;
}

.domain-select select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Manual Restore */
.manual-restore {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.manual-restore input[type="text"] {
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-small);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.manual-restore input[type="text"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Email Actions */
.email-actions {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-medium);
}

.actions-bar {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* Messages Section */
.messages-section {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-medium);
}

.messages-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.messages-header h2 {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.message-count {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 40px;
  text-align: center;
  box-shadow: var(--shadow-light);
}

#messages {
  min-height: 300px;
  max-height: 600px;
  overflow-y: auto;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-small);
  border: 1px solid var(--border-color);
}

#messages::-webkit-scrollbar {
  width: 8px;
}

#messages::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

#messages::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

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

/* Empty state styling */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state p {
  font-size: 1.1rem;
  margin: 0;
}

/* Message Items */
.message-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.5s ease-out forwards;
}

.message-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.message-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
  background: rgba(255, 255, 255, 0.05);
}

.message-item:hover::before {
  transform: scaleY(1);
}

.message-item.unread {
  border-left: 4px solid var(--accent-color);
  background: rgba(240, 147, 251, 0.05);
}

.message-item h3 {
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.message-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.message-body {
  margin: 1rem 0;
  color: var(--text-secondary);
  line-height: 1.6;
  max-height: 200px;
  overflow-y: auto;
}

.message-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

/* Spinner */
.spinner {
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--accent-color);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-left: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.show {
  opacity: 1;
}

.modal:not(.hidden) {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-heavy);
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.modal:not(.hidden) .modal-content {
  transform: translateY(0);
}

.modal-icon {
  margin-bottom: 1rem;
}

.modal-icon i {
  font-size: 3rem;
  color: var(--accent-color);
}

.modal-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.modal-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.modal-buttons button {
  padding: 0.75rem 2rem;
  border: none;
  border-radius: var(--border-radius-small);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-buttons button:first-child {
  background: var(--gradient-primary);
  color: white;
}

.modal-buttons button:last-child {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.modal-buttons button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Footer */
.footer {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer p {
  margin: 0.5rem 0;
}

.footer a {
  color: var(--accent-color);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 600;
}

.footer a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  header h1 {
    font-size: 2.5rem;
  }
  
  .email-box {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .email-buttons {
    justify-content: center;
  }
  
  .manual-restore {
    grid-template-columns: 1fr;
  }
  
  .actions-bar {
    justify-content: center;
  }
  
  .messages-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .messages-header h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 2rem;
  }
  
  .email-generation,
  .email-actions,
  .messages-section {
    padding: 1.5rem;
  }
  
  .btn {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
  }
  
  .modal-content {
    padding: 1.5rem;
  }
  
  .modal-buttons {
    flex-direction: column;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

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

/* Button text for responsive design */
@media (max-width: 480px) {
  .btn-text {
    display: none;
  }
  
  .btn {
    padding: 1rem;
    min-width: 50px;
    justify-content: center;
  }
}

/* Email History */
.email-history {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.email-history h3 {
  color: var(--text-primary);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.history-list {
  max-height: 200px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius-small);
  border: 1px solid var(--border-color);
  padding: 1rem;
}

.history-list::-webkit-scrollbar {
  width: 6px;
}

.history-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.history-list::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 3px;
}

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

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-small);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.history-item:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateX(5px);
}

.history-item:last-child {
  margin-bottom: 0;
}

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

.history-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.history-actions {
  display: flex;
  gap: 0.5rem;
}

.history-btn {
  padding: 0.25rem 0.5rem;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

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

.history-btn.delete {
  background: rgba(255, 107, 107, 0.2);
  color: var(--error-color);
}

.history-btn.delete:hover {
  background: var(--error-color);
  color: white;
}

.no-history {
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  margin: 2rem 0;
}

.history-item.current {
  border-left: 4px solid var(--accent-color);
  background: rgba(240, 147, 251, 0.1);
}

.history-item.current .history-email {
  color: var(--accent-color);
  font-weight: 600;
}