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

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 0, 0, 0.5) 100%),
    url('https://images.pexels.com/photos/3183150/pexels-photo-3183150.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: 60px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(31, 41, 55, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.navbar-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  letter-spacing: 0.5px;
}

.navbar-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: white;
}

.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-menu-btn span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 1px;
  transition: all 0.3s;
}

.nav-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.nav-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.nav-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.navbar-mobile {
  display: none;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xs) 0;
}

.navbar-mobile.open {
  display: flex;
}

.navbar-mobile .nav-link {
  padding: var(--spacing-xs) var(--spacing-sm);
  display: block;
}

.container {
  max-width: 600px;
  margin: var(--spacing-md) auto;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  min-height: calc(100vh - 100px);
}

header {
  text-align: center;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.subtitle {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.hidden {
  display: none !important;
}

.auth-card {
  background: rgba(255, 255, 255, 0.98);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-sm);
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.primary-btn {
  width: 100%;
  padding: 12px 24px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

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

.primary-btn:active {
  transform: scale(0.98);
}

.primary-btn:disabled {
  background: var(--color-border);
  cursor: not-allowed;
}

.text-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: opacity 0.2s;
}

.text-btn:hover {
  opacity: 0.8;
}

.auth-toggle {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.auth-toggle span {
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 600;
}

.auth-toggle span:hover {
  text-decoration: underline;
}

.error-message {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  min-height: 20px;
}

#app-section {
  animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.user-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  font-size: 0.875rem;
}

.input-section {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.input-section input {
  flex: 1;
  margin-bottom: 0;
}

.input-section .primary-btn {
  width: auto;
  padding: 12px 24px;
  white-space: nowrap;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.stat-card {
  background: rgba(255, 255, 255, 0.98);
  padding: var(--spacing-sm);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.goals-list {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.filter-tabs {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.filter-btn {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-light);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.filter-btn:hover {
  color: var(--color-text);
}

.filter-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

#goals-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.goal-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(249, 250, 251, 0.8);
  border-radius: var(--radius);
  transition: background 0.2s;
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.goal-item:hover {
  background: #f3f4f6;
}

.goal-item.completed {
  opacity: 0.7;
}

.goal-checkbox {
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.goal-checkbox:hover {
  border-color: var(--color-success);
}

.goal-item.completed .goal-checkbox {
  background: var(--color-success);
  border-color: var(--color-success);
}

.goal-item.completed .goal-checkbox::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.goal-text {
  flex: 1;
  font-size: 0.9375rem;
}

.goal-item.completed .goal-text {
  text-decoration: line-through;
  color: var(--color-text-light);
}

.goal-delete {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s;
  line-height: 1;
}

.goal-delete:hover {
  color: var(--color-danger);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--color-text-light);
}

.conversation-section {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-top: var(--spacing-md);
}

.conversation-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.conversation-divider {
  height: 1px;
  background: var(--color-border);
  margin-bottom: var(--spacing-sm);
}

.conversation-lines {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.conversation-line {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  animation: slideIn 0.2s ease-out;
}

.speaker-select {
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color 0.2s;
  min-width: 90px;
}

.speaker-select:hover {
  border-color: var(--color-primary);
}

.speaker-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.conversation-input {
  flex: 1;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.conversation-input::placeholder {
  color: var(--color-text-light);
}

.conversation-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.conversation-delete {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  transition: opacity 0.2s;
  opacity: 0.6;
}

.conversation-delete:hover {
  opacity: 1;
}

.conversation-add {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  opacity: 0;
  transition: opacity 0.2s;
}

.conversation-line.last .conversation-add {
  opacity: 0.8;
}

.conversation-line.last .conversation-add:hover {
  opacity: 1;
}

.goal-section {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-top: var(--spacing-md);
}

.goal-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.goal-divider {
  height: 1px;
  background: var(--color-border);
  margin-bottom: var(--spacing-sm);
}

.goal-inputs {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.goal-dropdown-wrapper,
.goal-custom-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.goal-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.goal-dropdown,
.goal-custom {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.goal-dropdown::placeholder,
.goal-custom::placeholder {
  color: var(--color-text-light);
}

.goal-dropdown:hover,
.goal-custom:hover {
  border-color: var(--color-primary);
}

.goal-dropdown:focus,
.goal-custom:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.goal-dropdown {
  cursor: pointer;
}

.suggestion-section {
  margin-top: var(--spacing-md);
}

.suggestion-block {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius);
  padding: var(--spacing-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: var(--spacing-md);
}

.suggestion-block.first {
  margin-top: var(--spacing-md);
}

.suggestions-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.suggestions-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.suggestion-option {
  padding: 12px 14px;
  background: rgba(37, 99, 235, 0.05);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text);
  transition: all 0.2s;
  text-align: left;
}

.suggestion-option:hover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.suggestion-option.selected {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--color-primary);
}

.reply-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.reply-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.reply-textarea {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text);
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.reply-textarea::placeholder {
  color: var(--color-text-light);
}

.reply-textarea:hover {
  border-color: var(--color-primary);
}

.reply-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.next-suggestions-btn {
  align-self: flex-start;
}

.trust-indicators {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-item::before {
  content: '';
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
}

.trust-item:first-child::before {
  content: '';
  display: none;
}

.trust-credit {
  margin-left: auto;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.trust-credit a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.trust-credit a:hover {
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }

  .nav-menu-btn {
    display: flex;
  }

  .navbar-mobile {
    display: none;
  }

  .trust-indicators {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .trust-item::before {
    display: none;
  }

  .trust-credit {
    margin-left: 0;
  }
}

@media (min-width: 640px) {
  .container {
    padding: var(--spacing-md);
  }

  h1 {
    font-size: 2.5rem;
  }

  .input-section .primary-btn {
    padding: 12px 32px;
  }
}