/* SafeSpace - Professional UI Design System */

/* ============================================
   CSS Variables - Professional Palette
   ============================================ */
:root {
  /* Primary Colors - Trustworthy Blue-Green */
  --primary: #2C7A7B;
  --primary-light: #38A3A5;
  --primary-dark: #1D5556;
  --primary-hover: #285E61;
  
  /* Secondary Colors */
  --secondary: #4A5568;
  --secondary-light: #718096;
  
  /* Neutrals - Clean Grays */
  --background: #F7FAFC;
  --surface: #FFFFFF;
  --surface-alt: #EDF2F7;
  --border: #E2E8F0;
  --border-light: #EDF2F7;
  
  /* Text Colors */
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-muted: #A0AEC0;
  --text-inverse: #FFFFFF;
  
  /* States */
  --success: #38A169;
  --success-bg: #F0FFF4;
  --warning: #D69E2E;
  --warning-bg: #FFFFF0;
  --danger: #E53E3E;
  --danger-bg: #FFF5F5;
  --info: #3182CE;
  --info-bg: #EBF8FF;
  
  /* Shadows - Subtle & Professional */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Layout */
  --max-width: 1200px;
  --sidebar-width: 280px;
  --header-height: 64px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--background);
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--text-muted); }

/* ============================================
   Layout Components
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ============================================
   Card Component
   ============================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-body {
  padding: var(--space-6);
}

/* ============================================
   Button System
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary {
  background-color: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

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

.btn-secondary {
  background-color: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-alt);
  border-color: var(--secondary-light);
}

.btn-danger {
  background-color: var(--danger);
  color: var(--text-inverse);
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: #C53030;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-alt);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
}

.btn-block {
  width: 100%;
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--danger);
  margin-top: var(--space-2);
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* ============================================
   Landing Page
   ============================================ */
.landing-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.landing-container {
  width: 100%;
  max-width: 420px;
}

.landing-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-6);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
}

.landing-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.landing-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 320px;
  margin: 0 auto;
}

.login-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
}

.login-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 2px solid var(--border);
}

.login-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -2px;
}

.login-tab:hover {
  color: var(--text-primary);
  background: var(--surface-alt);
}

.login-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.login-tab svg {
  display: inline-block;
  vertical-align: middle;
}

.login-form {
  display: none;
}

.login-form.active {
  display: block;
}

.login-error {
  background-color: var(--danger-bg);
  color: var(--danger);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}

/* Disclaimer Box */
.disclaimer-box {
  margin-top: var(--space-8);
  padding: var(--space-4);
  background-color: var(--warning-bg);
  border: 1px solid #ECC94B;
  border-radius: var(--radius-md);
}

.disclaimer-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--warning);
  margin-bottom: var(--space-2);
}

.disclaimer-text {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   Onboarding Page
   ============================================ */
.onboarding-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
}

.onboarding-container {
  width: 100%;
  max-width: 560px;
}

.onboarding-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
}

.onboarding-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.onboarding-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.guidelines-section {
  margin-bottom: var(--space-6);
}

.guidelines-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.guidelines-list {
  list-style: none;
}

.guidelines-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}

.guidelines-list li:last-child {
  border-bottom: none;
}

.guideline-icon {
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 2px;
}

.crisis-box {
  background-color: var(--danger-bg);
  border: 1px solid #FEB2B2;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.crisis-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--danger);
  margin-bottom: var(--space-3);
}

.crisis-contact {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.crisis-contact:last-child {
  margin-bottom: 0;
}

.crisis-contact strong {
  color: var(--text-primary);
}

.consent-section {
  margin-bottom: var(--space-6);
}

.onboarding-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.logout-link {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.logout-link:hover {
  color: var(--text-secondary);
}

/* ============================================
   Main App Layout
   ============================================ */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  height: var(--header-height);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--primary);
}

.header-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-avatar svg {
  width: 20px;
  height: 20px;
  color: white;
}

.user-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.app-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ============================================
   Navigation Tabs
   ============================================ */
.nav-tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--space-4);
  overflow-x: auto;
}

.nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--text-secondary);
}

.nav-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-tab-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   Tab Content
   ============================================ */
.tab-content {
  display: none;
  flex: 1;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* ============================================
   Companion Selection
   ============================================ */
.companion-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 200px;
  overflow-y: auto;
}

.companion-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.companion-option:hover {
  border-color: var(--primary-light);
  background: rgba(44, 122, 123, 0.05);
}

.companion-option.selected {
  border-color: var(--primary);
  background: rgba(44, 122, 123, 0.1);
}

.companion-option input {
  display: none;
}

.companion-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--text-lg);
}

.companion-info {
  flex: 1;
}

.companion-name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.companion-specialty {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.companion-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--primary);
  color: white;
  font-size: 10px;
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* ============================================
   Chat Section
   ============================================ */
.chat-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.chat-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}

.sidebar-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-title {
  font-size: var(--text-base);
  font-weight: 600;
}

.session-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2);
}

.session-item {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.session-item:hover {
  background-color: var(--surface-alt);
}

.session-item.active {
  background-color: var(--primary);
  color: var(--text-inverse);
}

.session-avatar-companion,
.session-avatar-group {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.session-avatar-companion {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.session-avatar-group {
  background: linear-gradient(135deg, #10b981, #059669);
}

.session-avatar-icon {
  width: 22px;
  height: 22px;
  color: white;
}

.session-content {
  flex: 1;
  min-width: 0;
}

.session-group {
  margin-bottom: var(--space-3);
}

.session-group-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-1);
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
}

.session-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-4) var(--space-2);
}

.session-topic {
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-meta {
  font-size: var(--text-xs);
  opacity: 0.7;
  margin-top: var(--space-1);
}

.empty-state {
  padding: var(--space-8);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* Chat Main */
.chat-main {
  display: flex;
  flex-direction: column;
  background: var(--background);
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.chat-header {
  padding: var(--space-4) var(--space-6);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

#toggleSidebarBtn {
  font-size: var(--text-xl);
  padding: var(--space-2);
  line-height: 1;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 49;
}

.sidebar-overlay.active {
  display: block;
}

.chat-topic {
  font-size: var(--text-base);
  font-weight: 600;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 100%;
  background: var(--background);
}

/* Chat Input */
.chat-input-area {
  padding: var(--space-4) var(--space-6);
  background: var(--surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.message {
  max-width: 75%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  word-break: break-word;
  overflow-wrap: break-word;
  position: relative;
}

.message-other {
  background: var(--surface);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
}

.message-self {
  background: var(--primary);
  color: var(--text-inverse);
  align-self: flex-end;
  border-radius: var(--radius-lg) 0 var(--radius-lg) var(--radius-lg);
}

.message-sender {
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--primary);
}

.message-text {
  line-height: 1.5;
  word-wrap: break-word;
  margin-bottom: var(--space-1);
}

.message-time {
  font-size: 10px;
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  justify-content: flex-end;
}

.message-status {
  font-size: 14px;
  line-height: 1;
}

.message-status.read {
  color: #4fc3f7;
}

.message-status.sent {
  opacity: 0.6;
}

.chat-form {
  display: flex;
  gap: var(--space-3);
}

.chat-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  resize: none;
}

.chat-input:focus {
  outline: none;
  border-color: var(--primary);
}

/* ============================================
   Journal Section
   ============================================ */
.journal-container {
  padding: var(--space-6);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.journal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.journal-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.journal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: box-shadow var(--transition-fast);
}

.journal-card:hover {
  box-shadow: var(--shadow-md);
}

.journal-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.journal-card-preview {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.journal-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.journal-tags {
  display: flex;
  gap: var(--space-2);
}

.tag {
  padding: var(--space-1) var(--space-2);
  background: var(--surface-alt);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* ============================================
   Mood Section
   ============================================ */
.mood-container {
  padding: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
  width: 100%;
}

.mood-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.mood-question {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.mood-scale {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.mood-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 80px;
  position: relative;
  overflow: hidden;
}

.mood-option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.mood-option:hover {
  border-color: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.mood-option:hover::before {
  opacity: 0.05;
}

.mood-option.selected {
  border-color: var(--primary);
  background: rgba(44, 122, 123, 0.1);
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(44, 122, 123, 0.3);
}

.mood-option.selected::before {
  opacity: 0.1;
}

.mood-option.selected .mood-number {
  transform: scale(1.2);
}

.mood-option:active {
  transform: scale(0.95);
}

.mood-option input {
  display: none;
}

.mood-number {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary);
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
}

.mood-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  position: relative;
  z-index: 1;
  font-weight: 500;
}

.mood-note {
  margin-bottom: var(--space-6);
}

.mood-history {
  margin-top: var(--space-8);
}

.mood-history-title {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.mood-log-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-light);
  background: var(--surface);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  transition: all 0.3s ease;
}

.mood-log-item:hover {
  background: rgba(44, 122, 123, 0.03);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.mood-log-rating {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  box-shadow: 0 4px 12px rgba(44, 122, 123, 0.3);
  flex-shrink: 0;
}

.mood-log-rating.rating-1 {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.mood-log-rating.rating-2 {
  background: linear-gradient(135deg, #f97316, #ea580c);
}

.mood-log-rating.rating-3 {
  background: linear-gradient(135deg, #eab308, #ca8a04);
}

.mood-log-rating.rating-4 {
  background: linear-gradient(135deg, #22c55e, #16a34a);
}

.mood-log-rating.rating-5 {
  background: linear-gradient(135deg, #10b981, #059669);
}

.mood-log-content {
  flex: 1;
}

.mood-log-note {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  line-height: 1.6;
  font-weight: 500;
}

.mood-log-date {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.mood-log-date::before {
  content: '📅';
  font-size: 12px;
}

/* ============================================
   Help Section
   ============================================ */
.help-container {
  padding: var(--space-6);
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

.help-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.help-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.help-subtitle {
  color: var(--text-secondary);
}

.help-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.help-section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--danger);
}

.help-contact {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-light);
}

.help-contact:last-child {
  border-bottom: none;
}

.help-contact-name {
  font-weight: 600;
  color: var(--text-primary);
}

.help-contact-number {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ============================================
   Companions Section
   ============================================ */
.companions-container {
  padding: var(--space-8) var(--space-6);
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.companions-header {
  margin-bottom: var(--space-10);
}

.companions-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.companions-subtitle {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.5;
}

.companions-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.companion-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.companion-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.companion-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 24px;
  flex-shrink: 0;
  box-shadow: 0 4px 8px rgba(79, 70, 229, 0.2);
}

.companion-card-info {
  flex: 1;
  min-width: 0;
}

.companion-card-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.companion-card-specialty {
  display: inline-block;
  background: #f3f4f6;
  color: #6b7280;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
}

.companion-card-description {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.companion-card-btn {
  padding: 10px 24px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.companion-card-btn:hover {
  background: #4f46e5;
}

.companions-info {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: var(--space-6);
}

.info-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.info-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   Modal
   ============================================ */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
  animation: fadeIn 0.2s ease;
}

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

.modal[hidden] {
  display: none !important;
}

.modal-content {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-8);
  animation: slideUp 0.3s ease;
  position: relative;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-content.modal-large {
  max-width: 640px;
}

.modal-header {
  margin-bottom: var(--space-5);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-title::before {
  content: '💬';
  font-size: var(--text-2xl);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-3);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: all 0.2s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-light);
}

.modal-actions .btn {
  min-width: 100px;
  padding: var(--space-3) var(--space-5);
  font-weight: 600;
}

.modal-actions .btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.modal-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* ============================================
   Loading Spinner
   ============================================ */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  animation: slideIn 0.3s ease;
}

.toast-success {
  border-left: 4px solid var(--success);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

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

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

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  #toggleSidebarBtn {
    display: block !important;
  }

  .chat-layout {
    grid-template-columns: 1fr;
  }
  
  .chat-sidebar {
    display: none;
  }
  
  .chat-sidebar.mobile-open {
    display: flex;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  }

  .chat-messages {
    padding: var(--space-4);
  }

  .message {
    max-width: 85%;
  }

  .chat-input-area {
    padding: var(--space-3) var(--space-4);
  }

  .chat-header {
    padding: var(--space-3) var(--space-4);
  }
  
  .nav-tabs {
    justify-content: space-around;
  }
  
  .nav-tab {
    padding: var(--space-3);
    font-size: var(--text-xs);
  }

  .nav-tab .tab-icon {
    font-size: var(--text-lg);
  }

  .companions-container {
    padding: var(--space-4);
  }

  .companions-header {
    margin-bottom: var(--space-6);
  }

  .companions-container {
    padding: var(--space-6) var(--space-4);
  }

  .companions-title {
    font-size: 24px;
  }

  .companions-grid {
    gap: var(--space-4);
  }

  .companion-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .companion-card-btn {
    width: 100%;
  }

  .modal-content {
    padding: var(--space-6);
    max-height: 80vh;
  }

  .modal-title {
    font-size: var(--text-lg);
  }
  
  .landing-title {
    font-size: var(--text-2xl);
  }
  
  .login-card {
    padding: var(--space-6);
  }

  .journal-container,
  .mood-container,
  .help-container {
    padding: var(--space-4);
  }

  .section-title {
    font-size: var(--text-xl);
  }
}

@media (max-width: 480px) {
  .message {
    max-width: 90%;
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }

  .chat-messages {
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .chat-input {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
  }

  .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }

  .mood-scale {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
  
  .mood-option {
    min-width: 60px;
    padding: var(--space-3);
  }

  .mood-number {
    font-size: var(--text-xl);
  }

  .mood-log-rating {
    width: 40px;
    height: 40px;
    font-size: var(--text-base);
  }

  .nav-tab {
    padding: var(--space-2);
  }

  .session-item {
    padding: var(--space-2) var(--space-3);
  }
}