@charset "UTF-8";
:root {
  --zr-font-primary: 'source-sans-pro', sans-serif;
  --zr-font-mono: 'source-code-pro', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  --zr-font-display: 'proxima-nova', 'source-sans-pro', sans-serif;
  --zr-font-extralight: 200;
  --zr-font-light: 300;
  --zr-font-normal: 400;
  --zr-font-medium: 500;
  --zr-font-semibold: 600;
  --zr-font-bold: 700;
  --zr-font-black: 900;
  --zr-code-regular: 400;
  --zr-code-medium: 500;
  --zr-code-semibold: 600;
  --zr-code-bold: 700;
  --zr-text-xs: 0.75rem;
  --zr-text-sm: 0.875rem;
  --zr-text-base: 1rem;
  --zr-text-lg: 1.125rem;
  --zr-text-xl: 1.25rem;
  --zr-text-2xl: 1.5rem;
  --zr-text-3xl: 1.875rem;
  --zr-text-4xl: 2.25rem;
  --zr-leading-none: 1;
  --zr-leading-tight: 1.25;
  --zr-leading-snug: 1.375;
  --zr-leading-normal: 1.5;
  --zr-leading-relaxed: 1.625;
  --zr-leading-loose: 2;
  --zr-tracking-tighter: -0.05em;
  --zr-tracking-tight: -0.025em;
  --zr-tracking-normal: 0em;
  --zr-tracking-wide: 0.025em;
  --zr-tracking-wider: 0.05em;
  --zr-space-1: 0.25rem;
  --zr-space-2: 0.5rem;
  --zr-space-3: 0.75rem;
  --zr-space-4: 1rem;
  --zr-space-5: 1.25rem;
  --zr-space-6: 1.5rem;
  --zr-space-8: 2rem;
  --zr-space-10: 2.5rem;
  --zr-space-12: 3rem;
}

:root {
  --zr-primary: #0D9488;
  --zr-primary-50: #F0FDFA;
  --zr-primary-100: #CCFBF1;
  --zr-primary-200: #99F6E4;
  --zr-primary-300: #5EEAD4;
  --zr-primary-400: #2DD4BF;
  --zr-primary-500: #14B8A6;
  --zr-primary-600: #0D9488;
  --zr-primary-700: #0F766E;
  --zr-primary-800: #115E59;
  --zr-primary-900: #134E4A;
  --zr-primary-hover: #0F766E;
  --zr-primary-light: #CCFBF1;
  --zr-primary-dark: #115E59;
  --zr-primary-rgb: 13, 148, 136;
  --zr-accent: #F59E0B;
  --zr-accent-50: #FFFBEB;
  --zr-accent-100: #FEF3C7;
  --zr-accent-200: #FDE68A;
  --zr-accent-300: #FCD34D;
  --zr-accent-400: #FBBF24;
  --zr-accent-500: #F59E0B;
  --zr-accent-600: #D97706;
  --zr-accent-700: #B45309;
  --zr-accent-800: #92400E;
  --zr-accent-900: #78350F;
  --zr-accent-hover: #D97706;
  --zr-accent-light: #FEF3C7;
  --zr-accent-rgb: 245, 158, 11;
  --zr-success: #10B981;
  --zr-success-bg: #064E3B;
  --zr-success-light: #D1FAE5;
  --zr-success-rgb: 16, 185, 129;
  --zr-warning: #F59E0B;
  --zr-warning-bg: #78350F;
  --zr-warning-light: #FEF3C7;
  --zr-warning-rgb: 245, 158, 11;
  --zr-error: #EF4444;
  --zr-error-bg: #7F1D1D;
  --zr-error-light: #FEE2E2;
  --zr-error-rgb: 239, 68, 68;
  --zr-info: #06B6D4;
  --zr-info-bg: #164E63;
  --zr-info-light: #CFFAFE;
  --zr-info-rgb: 6, 182, 212;
  --zr-think: #8B5CF6;
  --zr-think-light: #EDE9FE;
  --zr-think-rgb: 139, 92, 246;
}

:root,
[data-theme=dark] {
  --zr-bg-primary: #0F172A;
  --zr-bg-secondary: #1E293B;
  --zr-bg-tertiary: #334155;
  --zr-bg-quaternary: #475569;
  --zr-bg-hover: #1E3A5F;
  --zr-bg-active: #0F4C4C;
  --zr-bg-overlay: rgba(15, 23, 42, 0.9);
  --zr-text-primary: #F1F5F9;
  --zr-text-secondary: #CBD5E1;
  --zr-text-tertiary: #94A3B8;
  --zr-text-muted: #64748B;
  --zr-text-inverse: #0F172A;
  --zr-text-disabled: #475569;
  --zr-border: #334155;
  --zr-border-hover: #475569;
  --zr-border-focus: var(--zr-primary);
  --zr-border-light: #1E293B;
  --zr-border-strong: #64748B;
  --zr-user-message-bg: #134E4A;
  --zr-user-message-border: #0F766E;
  --zr-assistant-message-bg: transparent;
  --zr-assistant-message-border: var(--zr-border);
  --zr-message-border-left: var(--zr-primary);
  --zr-message-hover-bg: rgba(13, 148, 136, 0.08);
  --zr-code-bg: #1E293B;
  --zr-code-bg-alt: #0F172A;
  --zr-code-border: #334155;
  --zr-code-header-bg: linear-gradient(135deg, #0D9488 0%, #0F766E 100%);
  --zr-code-keyword: #2DD4BF;
  --zr-code-string: #FCD34D;
  --zr-code-comment: #64748B;
  --zr-code-function: #38BDF8;
  --zr-code-variable: #F472B6;
  --zr-code-number: #FB923C;
  --zr-inline-code-bg: #1E293B;
  --zr-inline-code-text: #2DD4BF;
  --zr-inline-code-border: #334155;
  --zr-button-bg: var(--zr-primary);
  --zr-google-button-bg: var(--zr-bg-primary);
  --zr-button-bg-hover: var(--zr-primary-hover);
  --zr-button-text: #ffffff;
  --zr-button-secondary-bg: transparent;
  --zr-button-secondary-border: var(--zr-border);
  --zr-button-secondary-text: var(--zr-text-primary);
  --zr-input-bg: var(--zr-bg-secondary);
  --zr-input-border: var(--zr-border);
  --zr-input-border-focus: var(--zr-primary);
  --zr-input-text: var(--zr-text-primary);
  --zr-input-placeholder: var(--zr-text-muted);
  --zr-gradient-primary: linear-gradient(135deg, #0D9488 0%, #14B8A6 50%, #2DD4BF 100%);
  --zr-gradient-accent: linear-gradient(135deg, #F59E0B 0%, #FBBF24 50%, #FCD34D 100%);
  --zr-gradient-hero: linear-gradient(135deg, #0D9488 0%, #0F766E 40%, #115E59 100%);
  --zr-gradient-think: linear-gradient(135deg, #7C3AED 0%, #8B5CF6 50%, #A78BFA 100%);
  --zr-gradient-text: linear-gradient(135deg, #2DD4BF 0%, #14B8A6 100%);
  --zr-glow-primary: 0 0 20px rgba(13, 148, 136, 0.4);
  --zr-glow-accent: 0 0 20px rgba(245, 158, 11, 0.4);
  --zr-glow-success: 0 0 20px rgba(16, 185, 129, 0.4);
  --zr-glow-error: 0 0 20px rgba(239, 68, 68, 0.4);
}

[data-theme=light] {
  --zr-bg-primary: #FAFAF9;
  --zr-bg-secondary: #F5F5F4;
  --zr-bg-tertiary: #FFFFFF;
  --zr-bg-quaternary: #E7E5E4;
  --zr-bg-hover: #CCFBF1;
  --zr-bg-active: #99F6E4;
  --zr-bg-overlay: rgba(250, 250, 249, 0.95);
  --zr-text-primary: #0F172A;
  --zr-text-secondary: #334155;
  --zr-text-tertiary: #64748B;
  --zr-text-muted: #94A3B8;
  --zr-text-inverse: #F1F5F9;
  --zr-text-disabled: #CBD5E1;
  --zr-border: #E7E5E4;
  --zr-border-hover: #D6D3D1;
  --zr-border-focus: var(--zr-primary);
  --zr-border-light: #F5F5F4;
  --zr-border-strong: #A8A29E;
  --zr-primary: #0F766E;
  --zr-primary-hover: #115E59;
  --zr-accent: #D97706;
  --zr-accent-hover: #B45309;
  --zr-success: #059669;
  --zr-success-bg: #D1FAE5;
  --zr-success-light: #ECFDF5;
  --zr-warning: #D97706;
  --zr-warning-bg: #FEF3C7;
  --zr-warning-light: #FFFBEB;
  --zr-error: #DC2626;
  --zr-error-bg: #FEE2E2;
  --zr-error-light: #FEF2F2;
  --zr-info: #0891B2;
  --zr-info-bg: #CFFAFE;
  --zr-info-light: #ECFEFF;
  --zr-user-message-bg: #CCFBF1;
  --zr-user-message-border: #99F6E4;
  --zr-assistant-message-bg: transparent;
  --zr-message-hover-bg: rgba(13, 148, 136, 0.06);
  --zr-code-bg: #F8FAFC;
  --zr-code-bg-alt: #F1F5F9;
  --zr-code-border: #E2E8F0;
  --zr-code-header-bg: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
  --zr-code-keyword: #0F766E;
  --zr-code-string: #B45309;
  --zr-code-comment: #64748B;
  --zr-code-function: #0369A1;
  --zr-code-variable: #BE185D;
  --zr-code-number: #C2410C;
  --zr-inline-code-bg: #F1F5F9;
  --zr-inline-code-text: #0F766E;
  --zr-inline-code-border: #E2E8F0;
  --zr-input-bg: #FFFFFF;
  --zr-input-border: var(--zr-border);
  --zr-input-text: var(--zr-text-primary);
  --zr-input-placeholder: var(--zr-text-muted);
  --zr-gradient-primary: linear-gradient(135deg, #0F766E 0%, #0D9488 50%, #14B8A6 100%);
  --zr-gradient-accent: linear-gradient(135deg, #D97706 0%, #F59E0B 50%, #FBBF24 100%);
  --zr-gradient-hero: linear-gradient(135deg, #0F766E 0%, #115E59 100%);
  --zr-gradient-think: linear-gradient(135deg, #7C3AED 0%, #8B5CF6 100%);
  --zr-gradient-text: linear-gradient(135deg, #0F766E 0%, #0D9488 100%);
  --zr-glow-primary: 0 0 15px rgba(13, 148, 136, 0.2);
  --zr-glow-accent: 0 0 15px rgba(245, 158, 11, 0.2);
  --zr-glow-success: 0 0 15px rgba(16, 185, 129, 0.2);
  --zr-glow-error: 0 0 15px rgba(239, 68, 68, 0.2);
}

:root {
  --zr-sidebar-width: 260px;
  --zr-sidebar-width-collapsed: 60px;
  --zr-sidebar-width-mobile: 280px;
  --zr-content-max-width: 1200px;
  --zr-chat-max-width: min(90vw, 800px);
  --zr-chat-max-width-xl: min(90vw, 1000px);
  --zr-prose-max-width: 65ch;
  --zr-header-height: 60px;
  --zr-footer-height: 40px;
  --zr-input-area-height: 120px;
  --zr-sidebar-current-width: var(--zr-sidebar-width);
  --zr-content-left-offset: var(--zr-sidebar-width);
  --zr-input-min-height: 44px;
  --zr-button-height: 44px;
  --zr-button-height-sm: 36px;
  --zr-button-height-lg: 52px;
  --zr-code-block-padding: var(--zr-space-4);
  --zr-code-line-height: 1.5;
  --zr-code-font-size: 0.875rem;
}

:root {
  --zr-radius-none: 0;
  --zr-radius-sm: 4px;
  --zr-radius-md: 6px;
  --zr-radius-lg: 8px;
  --zr-radius-xl: 12px;
  --zr-radius-2xl: 16px;
  --zr-radius-3xl: 24px;
  --zr-radius-full: 9999px;
  --zr-button-radius: var(--zr-radius-lg);
  --zr-input-radius: var(--zr-radius-lg);
  --zr-card-radius: var(--zr-radius-xl);
  --zr-modal-radius: var(--zr-radius-2xl);
  --zr-code-radius: var(--zr-radius-md);
}

:root {
  --zr-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --zr-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --zr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --zr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --zr-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --zr-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --zr-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --zr-shadow-primary: 0 4px 14px 0 rgba(13, 148, 136, 0.25);
  --zr-shadow-accent: 0 4px 14px 0 rgba(245, 158, 11, 0.25);
}

:root {
  --zr-duration-75: 75ms;
  --zr-duration-100: 100ms;
  --zr-duration-150: 150ms;
  --zr-duration-200: 200ms;
  --zr-duration-300: 300ms;
  --zr-duration-500: 500ms;
  --zr-duration-700: 700ms;
  --zr-duration-1000: 1000ms;
  --zr-ease-linear: linear;
  --zr-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --zr-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --zr-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --zr-ease-back: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --zr-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --zr-transition-fast: var(--zr-duration-150) var(--zr-ease-out);
  --zr-transition-normal: var(--zr-duration-300) var(--zr-ease-in-out);
  --zr-transition-slow: var(--zr-duration-500) var(--zr-ease-in-out);
  --zr-transition-colors: color var(--zr-transition-fast), background-color var(--zr-transition-fast), border-color var(--zr-transition-fast);
  --zr-transition-opacity: opacity var(--zr-transition-fast);
  --zr-transition-transform: transform var(--zr-transition-fast);
  --zr-transition-all: all var(--zr-transition-fast);
}

:root {
  --zr-z-auto: auto;
  --zr-z-0: 0;
  --zr-z-10: 10;
  --zr-z-20: 20;
  --zr-z-30: 30;
  --zr-z-40: 40;
  --zr-z-50: 50;
  --zr-z-9999: 9999;
  --zr-z-sidebar: var(--zr-z-10);
  --zr-z-header: var(--zr-z-20);
  --zr-z-dropdown: var(--zr-z-30);
  --zr-z-overlay: var(--zr-z-40);
  --zr-z-modal: var(--zr-z-50);
  --zr-z-toast: var(--zr-z-9999);
  --zr-z-tooltip: var(--zr-z-50);
}

body {
  font-size: 16px;
}

.zr-main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--zr-bg-primary);
  border-bottom: 1px solid var(--zr-border);
  backdrop-filter: blur(10px);
}
.zr-main-nav .zr-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.zr-nav-brand .zr-brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--zr-text-primary);
  font-weight: 600;
}
.zr-nav-brand .zr-brand-link .zr-brand-icon {
  width: 30px;
  height: 30px;
}
.zr-nav-brand .zr-brand-link .zr-brand-icon img {
  object-fit: contain;
  width: 100%;
  height: 100%;
  background-position: center;
}
.zr-nav-brand .zr-brand-link .zr-brand-name {
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}
.zr-nav-brand .zr-brand-link:hover {
  color: var(--zr-accent);
}

.zr-nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.zr-nav-links .zr-nav-link {
  text-decoration: none;
  color: var(--zr-text-secondary);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color 0.2s ease;
}
.zr-nav-links .zr-nav-link:hover {
  color: var(--zr-text-primary);
}
.zr-nav-links .zr-nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--zr-accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.zr-nav-links .zr-nav-link:hover::after, .zr-nav-links .zr-nav-link.active::after {
  transform: scaleX(1);
}

.zr-nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.zr-nav-language {
  position: relative;
}
.zr-nav-language .zr-nav-lang-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--zr-border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  color: var(--zr-text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}
.zr-nav-language .zr-nav-lang-btn:hover, .zr-nav-language .zr-nav-lang-btn.active {
  border-color: var(--zr-accent);
  background: var(--zr-bg-secondary);
}
.zr-nav-language .zr-nav-lang-btn .zr-dropdown-arrow {
  font-size: 0.875rem;
  transition: transform 0.2s ease;
}
.zr-nav-language .zr-nav-lang-btn.active .zr-dropdown-arrow {
  transform: rotate(180deg);
}
.zr-nav-language .zr-nav-lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--zr-bg-primary);
  border: 1px solid var(--zr-border);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 100;
}
.zr-nav-language .zr-nav-lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.zr-nav-language .zr-nav-lang-dropdown .zr-nav-lang-item {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--zr-text-primary);
  transition: background 0.2s ease;
}
.zr-nav-language .zr-nav-lang-dropdown .zr-nav-lang-item:hover {
  background: var(--zr-bg-secondary);
}
.zr-nav-language .zr-nav-lang-dropdown .zr-nav-lang-item:first-child {
  border-radius: 7px 7px 0 0;
}
.zr-nav-language .zr-nav-lang-dropdown .zr-nav-lang-item:last-child {
  border-radius: 0 0 7px 7px;
}

.zr-nav-theme-btn {
  background: transparent;
  border: 1px solid var(--zr-border);
  border-radius: 6px;
  padding: 0.5rem;
  color: var(--zr-text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}
.zr-nav-theme-btn:hover {
  border-color: var(--zr-accent);
  background: var(--zr-bg-secondary);
}
.zr-nav-theme-btn .zr-theme-icon {
  font-size: 1rem;
}

.zr-mobile-nav-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
.zr-mobile-nav-btn .zr-burger-line {
  width: 20px;
  height: 2px;
  background: var(--zr-text-primary);
  transition: all 0.3s ease;
}
.zr-mobile-nav-btn.active .zr-burger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.zr-mobile-nav-btn.active .zr-burger-line:nth-child(2) {
  opacity: 0;
}
.zr-mobile-nav-btn.active .zr-burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.zr-mobile-nav-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--zr-bg-primary);
  border-bottom: 1px solid var(--zr-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 999;
}
.zr-mobile-nav-menu.show {
  max-height: 100vh;
}
.zr-mobile-nav-menu .zr-mobile-nav-content {
  padding: 1rem;
}

.zr-mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.zr-mobile-nav-links .zr-mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--zr-text-primary);
  font-weight: 500;
  border-radius: 8px;
  transition: background 0.2s ease;
}
.zr-mobile-nav-links .zr-mobile-nav-link:hover, .zr-mobile-nav-links .zr-mobile-nav-link.active {
  background: var(--zr-bg-secondary);
  color: var(--zr-accent);
}

.zr-mobile-nav-settings {
  border-top: 1px solid var(--zr-border);
  padding-top: 1rem;
  margin-bottom: 2rem;
}
.zr-mobile-nav-settings .zr-mobile-setting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}
.zr-mobile-nav-settings .zr-mobile-setting .zr-setting-label {
  font-weight: 500;
  color: var(--zr-text-primary);
}

.zr-mobile-lang-toggle {
  position: relative;
}
.zr-mobile-lang-toggle .zr-mobile-lang-current {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--zr-bg-secondary);
  border: 1px solid var(--zr-border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  color: var(--zr-text-primary);
  cursor: pointer;
}
.zr-mobile-lang-toggle .zr-mobile-lang-current .zr-dropdown-arrow {
  font-size: 0.875rem;
  transition: transform 0.2s ease;
}
.zr-mobile-lang-toggle .zr-mobile-lang-current.active .zr-dropdown-arrow {
  transform: rotate(180deg);
}
.zr-mobile-lang-toggle .zr-mobile-lang-options {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--zr-bg-primary);
  border: 1px solid var(--zr-border);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 100;
}
.zr-mobile-lang-toggle .zr-mobile-lang-options.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.zr-mobile-lang-toggle .zr-mobile-lang-options .zr-mobile-lang-option {
  display: block;
  padding: 0.75rem 1rem;
  text-decoration: none;
  color: var(--zr-text-primary);
  transition: background 0.2s ease;
}
.zr-mobile-lang-toggle .zr-mobile-lang-options .zr-mobile-lang-option:hover {
  background: var(--zr-bg-secondary);
}

.zr-mobile-theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--zr-bg-secondary);
  border: 1px solid var(--zr-border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  color: var(--zr-text-primary);
  cursor: pointer;
}
.zr-mobile-theme-toggle .zr-theme-icon {
  font-size: 1rem;
}
.zr-mobile-theme-toggle .zr-theme-text {
  font-size: 0.875rem;
}

.zr-mobile-nav-auth {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid var(--zr-border);
  padding-top: 1rem;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .zr-main-nav .zr-nav-container {
    padding: 0 1rem;
  }
  .zr-nav-links,
  .zr-nav-actions {
    display: none;
  }
  .zr-mobile-nav-btn {
    display: flex;
  }
  body.nav-open {
    overflow: hidden;
  }
}
.zr-page-header {
  background: var(--zr-bg-primary);
  border-bottom: 1px solid var(--zr-border);
  padding: var(--zr-space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--zr-header-height);
  flex-shrink: 0;
  width: var(--zr-chat-max-width);
  margin-inline: auto;
}
.zr-page-header .zr-header-right {
  display: flex;
  align-items: center;
  gap: var(--zr-space-4);
}

.zr-chat-header {
  background: var(--zr-bg-primary);
  padding: var(--zr-space-4) var(--zr-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  flex-shrink: 0;
  width: var(--zr-chat-max-width);
}

.zr-chat-title-area {
  display: flex;
  align-items: center;
  gap: var(--zr-space-4);
}

.zr-chat-title-content h1 {
  font-family: var(--zr-font-display);
  font-size: var(--zr-text-lg);
  font-weight: var(--zr-font-semibold);
  margin: 0;
  color: var(--zr-text-primary);
}
.zr-chat-title-content .zr-chat-meta {
  display: flex;
  align-items: center;
  gap: var(--zr-space-3);
  margin-top: var(--zr-space-1);
}

.zr-model-badge {
  background: var(--zr-bg-tertiary);
  color: var(--zr-text-secondary);
  padding: 2px var(--zr-space-2);
  border-radius: var(--zr-radius-full);
  font-size: var(--zr-text-xs);
  font-weight: var(--zr-font-medium);
  border: 1px solid var(--zr-border);
}

.zr-message-count {
  font-size: var(--zr-text-xs);
  color: var(--zr-text-muted);
}

.zr-chat-actions {
  display: flex;
  gap: var(--zr-space-2);
}

.zr-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.zr-btn.zr-btn-ghost {
  color: var(--zr-text-primary);
  border-color: var(--zr-border);
}
.zr-btn.zr-btn-ghost:hover {
  background: var(--zr-bg-secondary);
  border-color: var(--zr-accent);
}
.zr-btn.zr-btn-primary {
  background: var(--zr-accent);
  color: white;
}
.zr-btn.zr-btn-primary:hover {
  background: var(--zr-accent-hover);
}
.zr-btn.zr-btn-block {
  width: 100%;
  justify-content: center;
}

/* ============================================================================
   ZENREFLEX BUSINESS LANDING - FIXED VERSION
   Solo usa variables que existen en _variables.scss
   ============================================================================ */
.zr-business-landing {
  background: var(--zr-bg-primary);
  color: var(--zr-text-primary);
}

.zr-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--zr-space-6);
}
@media (max-width: 767px) {
  .zr-container {
    padding: 0 var(--zr-space-4);
  }
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */
.zr-business-hero {
  padding: 6rem 0 4rem; /* 96px top, 64px bottom */
  text-align: center;
  position: relative;
}
.zr-business-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 400px;
  background: radial-gradient(ellipse at top, rgba(var(--zr-primary-rgb), 0.05) 0%, transparent 70%);
  z-index: -1;
}
@media (max-width: 767px) {
  .zr-business-hero {
    padding: var(--zr-space-12) 0 var(--zr-space-8);
  }
}

.zr-business-title {
  font-family: var(--zr-font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: var(--zr-font-black);
  color: var(--zr-text-primary);
  margin-bottom: var(--zr-space-6);
  line-height: var(--zr-leading-tight);
  letter-spacing: var(--zr-tracking-tight);
  background: linear-gradient(135deg, var(--zr-text-primary) 60%, var(--zr-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.zr-business-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--zr-text-secondary);
  margin-bottom: var(--zr-space-10);
  line-height: var(--zr-leading-relaxed);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  font-weight: var(--zr-font-normal);
}

.zr-hero-cta {
  display: flex;
  gap: var(--zr-space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--zr-space-4);
}

/* ============================================================================
   SECTIONS SPACING - FIXED
   ============================================================================ */
.zr-benefits-section,
.zr-use-cases-section,
.zr-plans-preview,
.zr-faq-section {
  padding: 5rem 0; /* 80px top/bottom */
}
@media (max-width: 767px) {
  .zr-benefits-section,
  .zr-use-cases-section,
  .zr-plans-preview,
  .zr-faq-section {
    padding: var(--zr-space-12) 0; /* 48px mobile */
  }
}

.zr-comparison-section {
  padding: 5rem 0; /* 80px */
  background: var(--zr-bg-secondary);
}
@media (max-width: 767px) {
  .zr-comparison-section {
    padding: var(--zr-space-12) 0;
  }
}

.zr-section-title {
  font-family: var(--zr-font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: var(--zr-font-bold);
  text-align: center;
  margin-bottom: var(--zr-space-12); /* 48px */
  color: var(--zr-text-primary);
  letter-spacing: var(--zr-tracking-tight);
}

/* ============================================================================
   BENEFITS GRID - 2x2 FIXED
   ============================================================================ */
.zr-benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* ALWAYS 2 columns */
  gap: var(--zr-space-8); /* 32px */
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 768px) and (max-width: 1023px) {
  .zr-benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-6);
  }
}
@media (max-width: 767px) {
  .zr-benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-5);
  }
}

.zr-benefit-card {
  background: var(--zr-bg-secondary);
  padding: var(--zr-space-10); /* 40px internal */
  border-radius: var(--zr-card-radius);
  border: 1px solid var(--zr-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  /* Gradient bar on top */
}
.zr-benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--zr-primary), var(--zr-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.zr-benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--zr-primary);
}
.zr-benefit-card:hover::before {
  transform: scaleX(1);
}
.zr-benefit-card:hover .zr-benefit-icon {
  transform: scale(1.1);
  color: var(--zr-primary);
}

.zr-benefit-icon {
  font-size: 3rem; /* 48px */
  margin-bottom: var(--zr-space-5);
  color: var(--zr-primary);
  transition: all 0.3s ease;
  display: inline-block;
}

.zr-benefit-title {
  font-size: var(--zr-text-xl);
  font-weight: var(--zr-font-bold);
  margin-bottom: var(--zr-space-4);
  color: var(--zr-text-primary);
  line-height: var(--zr-leading-tight);
}

.zr-benefit-desc {
  font-size: var(--zr-text-base);
  color: var(--zr-text-secondary);
  line-height: var(--zr-leading-relaxed);
}

/* ============================================================================
   USE CASES GRID - 3 COLUMNS FIXED
   ============================================================================ */
.zr-use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* ALWAYS 3 columns */
  gap: var(--zr-space-8);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 768px) and (max-width: 1023px) {
  .zr-use-cases-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-6);
  }
}
@media (max-width: 767px) {
  .zr-use-cases-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-5);
  }
}

.zr-use-case-card {
  background: var(--zr-bg-secondary);
  padding: var(--zr-space-10);
  border-radius: var(--zr-card-radius);
  border: 2px solid var(--zr-border);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.zr-use-case-card:hover {
  border-color: var(--zr-primary);
  box-shadow: 0 20px 50px rgba(var(--zr-primary-rgb), 0.15);
  transform: translateY(-8px);
}
.zr-use-case-card:hover .zr-use-case-icon {
  transform: scale(1.15) rotate(5deg);
  color: var(--zr-accent);
}

.zr-use-case-icon {
  font-size: 4rem; /* 64px */
  margin-bottom: var(--zr-space-5);
  color: var(--zr-primary);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-block;
}

.zr-use-case-title {
  font-size: var(--zr-text-xl);
  font-weight: var(--zr-font-bold);
  margin-bottom: var(--zr-space-4);
  color: var(--zr-text-primary);
  line-height: var(--zr-leading-tight);
}

.zr-use-case-desc {
  font-size: var(--zr-text-base);
  color: var(--zr-text-secondary);
  line-height: var(--zr-leading-relaxed);
}

/* ============================================================================
   COMPARISON SECTION
   ============================================================================ */
.zr-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--zr-space-10);
  max-width: 1000px;
  margin: 0 auto;
}
@media (max-width: 767px) {
  .zr-comparison-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-6);
  }
}

.zr-comparison-card {
  background: var(--zr-bg-primary);
  padding: var(--zr-space-10);
  border-radius: var(--zr-card-radius);
  border: 2px solid var(--zr-border);
  position: relative;
}
.zr-comparison-card.without {
  border-color: var(--zr-error);
}
.zr-comparison-card.without::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--zr-error);
}
.zr-comparison-card.with {
  border-color: var(--zr-success);
  box-shadow: 0 10px 30px rgba(var(--zr-primary-rgb), 0.1);
}
.zr-comparison-card.with::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--zr-success), var(--zr-primary));
}

.zr-comparison-title {
  font-size: var(--zr-text-2xl);
  font-weight: var(--zr-font-bold);
  margin-bottom: var(--zr-space-8);
  text-align: center;
  padding-top: var(--zr-space-3);
}

.zr-comparison-list {
  list-style: none;
  padding: 0;
}
.zr-comparison-list li {
  padding: var(--zr-space-4) 0;
  font-size: var(--zr-text-base);
  line-height: var(--zr-leading-relaxed);
  display: flex;
  align-items: flex-start;
  gap: var(--zr-space-3);
}
.zr-comparison-list li::before {
  flex-shrink: 0;
  font-size: 1.25rem;
}

/* ============================================================================
   PLANS PREVIEW
   ============================================================================ */
.zr-plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 enterprise plans */
  gap: var(--zr-space-8);
  max-width: 1100px;
  margin: 0 auto;
}
@media (min-width: 768px) and (max-width: 1023px) {
  .zr-plans-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-6);
  }
}
@media (max-width: 767px) {
  .zr-plans-grid {
    grid-template-columns: 1fr;
    gap: var(--zr-space-5);
  }
}

.zr-plan-card {
  background: var(--zr-bg-secondary);
  padding: var(--zr-space-10);
  border-radius: var(--zr-card-radius);
  border: 2px solid var(--zr-border);
  position: relative;
  text-align: center;
  transition: all 0.3s ease;
}
.zr-plan-card:hover {
  border-color: var(--zr-primary);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(var(--zr-primary-rgb), 0.12);
}

.zr-plan-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--zr-primary), var(--zr-primary-hover));
  color: white;
  padding: var(--zr-space-2) var(--zr-space-4);
  border-radius: 999px;
  font-size: var(--zr-text-xs);
  font-weight: var(--zr-font-semibold);
  margin-bottom: var(--zr-space-5);
  text-transform: uppercase;
  letter-spacing: var(--zr-tracking-wide);
}

.zr-plan-name {
  font-size: var(--zr-text-2xl);
  font-weight: var(--zr-font-bold);
  margin-bottom: var(--zr-space-3);
  color: var(--zr-text-primary);
}

.zr-plan-desc {
  font-size: var(--zr-text-sm);
  color: var(--zr-text-secondary);
  margin-bottom: var(--zr-space-6);
  line-height: var(--zr-leading-relaxed);
  min-height: 60px;
}

.zr-plan-price {
  font-size: var(--zr-text-4xl);
  font-weight: var(--zr-font-black);
  color: var(--zr-primary);
  margin-bottom: var(--zr-space-8);
  font-family: var(--zr-font-display);
}

/* ============================================================================
   FAQ SECTION
   ============================================================================ */
.zr-faq-grid {
  display: grid;
  gap: var(--zr-space-5);
  max-width: 900px;
  margin: 0 auto;
}

.zr-faq-item {
  background: var(--zr-bg-secondary);
  padding: var(--zr-space-8);
  border-radius: var(--zr-card-radius);
  border: 1px solid var(--zr-border);
  transition: all 0.3s ease;
}
.zr-faq-item:hover {
  border-color: var(--zr-primary);
  box-shadow: 0 8px 20px rgba(var(--zr-primary-rgb), 0.08);
}

.zr-faq-question {
  font-size: var(--zr-text-lg);
  font-weight: var(--zr-font-semibold);
  margin-bottom: var(--zr-space-4);
  color: var(--zr-text-primary);
  line-height: var(--zr-leading-tight);
}
.zr-faq-question::before {
  content: "→ ";
  color: var(--zr-primary);
  font-weight: var(--zr-font-bold);
  margin-right: var(--zr-space-2);
}

.zr-faq-answer {
  font-size: var(--zr-text-base);
  color: var(--zr-text-secondary);
  line-height: var(--zr-leading-relaxed);
  padding-left: var(--zr-space-6);
}

/* ============================================================================
   FINAL CTA
   ============================================================================ */
.zr-final-cta {
  background: linear-gradient(135deg, var(--zr-primary) 0%, var(--zr-primary-hover) 100%);
  padding: 6rem 0; /* 96px */
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.zr-final-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px), radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
}
@media (max-width: 767px) {
  .zr-final-cta {
    padding: var(--zr-space-12) 0;
  }
}

.zr-cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--zr-font-black);
  margin-bottom: var(--zr-space-5);
  color: white;
  position: relative;
  z-index: 1;
  letter-spacing: var(--zr-tracking-tight);
}

.zr-cta-subtitle {
  font-size: var(--zr-text-xl);
  margin-bottom: var(--zr-space-12);
  opacity: 0.95;
  position: relative;
  z-index: 1;
  font-weight: var(--zr-font-normal);
}

.zr-contact-form {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.zr-form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--zr-space-4);
  margin-bottom: var(--zr-space-4);
}
@media (max-width: 767px) {
  .zr-form-row {
    grid-template-columns: 1fr;
  }
}

.zr-contact-form input {
  padding: var(--zr-space-5);
  border-radius: var(--zr-button-radius);
  border: 2px solid transparent;
  font-size: var(--zr-text-base);
  background: white;
  color: var(--zr-text-primary);
  transition: all 0.2s ease;
}
.zr-contact-form input:focus {
  outline: none;
  border-color: var(--zr-accent);
  box-shadow: 0 0 0 3px rgba(var(--zr-primary-rgb), 0.1);
}
.zr-contact-form input::placeholder {
  color: var(--zr-text-muted);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.zr-btn-large {
  padding: var(--zr-space-5) var(--zr-space-10);
  font-size: var(--zr-text-lg);
  font-weight: var(--zr-font-semibold);
  min-width: 220px;
  position: relative;
  overflow: hidden;
}
.zr-btn-large::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}
.zr-btn-large:hover::before {
  width: 300px;
  height: 300px;
}

.zr-btn-outline {
  background: transparent;
  color: var(--zr-primary);
  border: 2px solid var(--zr-primary);
}
.zr-btn-outline:hover {
  background: var(--zr-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(var(--zr-primary-rgb), 0.3);
}

/* ============================================================================
   PRICING TOGGLE
   ============================================================================ */
.zr-pricing-toggle-centered {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--zr-space-4);
  margin-bottom: var(--zr-space-10);
  flex-wrap: wrap;
}

.zr-toggle-switch {
  position: relative;
  width: 64px;
  height: 36px;
  background: var(--zr-bg-tertiary);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.3s ease;
  border: 2px solid var(--zr-border);
}
.zr-toggle-switch:hover {
  background: var(--zr-bg-quaternary);
  border-color: var(--zr-primary);
}
.zr-toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.zr-toggle-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 26px;
  height: 26px;
  background: var(--zr-primary);
  border-radius: 999px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.zr-toggle-switch input:checked ~ .zr-toggle-slider {
  transform: translateX(28px);
  background: var(--zr-accent);
}

.zr-toggle-label {
  font-size: var(--zr-text-base);
  color: var(--zr-text-secondary);
  font-weight: var(--zr-font-medium);
  transition: color 0.2s ease;
}
.zr-toggle-label:hover {
  color: var(--zr-text-primary);
}

.zr-pricing-badge-small {
  display: inline-block;
  padding: var(--zr-space-1) var(--zr-space-3);
  background: var(--zr-success-bg);
  color: var(--zr-success);
  border-radius: 999px;
  font-size: var(--zr-text-sm);
  font-weight: var(--zr-font-semibold);
  margin-left: var(--zr-space-2);
}

.zr-pricing-cta {
  text-align: center;
  margin-top: var(--zr-space-10);
}

.zr-pricing-link {
  display: inline-flex;
  align-items: center;
  gap: var(--zr-space-2);
  color: var(--zr-primary);
  font-size: var(--zr-text-lg);
  font-weight: var(--zr-font-semibold);
  text-decoration: none;
  transition: all 0.2s ease;
}
.zr-pricing-link:hover {
  color: var(--zr-primary-hover);
  gap: var(--zr-space-3);
}
.zr-pricing-link:hover::after {
  content: " →";
}/*# sourceMappingURL=landing-business.css.map */