/* CRITICAL: Remove all margins and padding from result area */
#result * {
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.2 !important;
}

#result {
  padding: 4px 8px 8px 8px !important;
  margin-top: 4px !important;
}

#result h3 {
  margin-bottom: 2px !important;
  padding: 0 !important;
}

#result-content {
  margin: 0 !important;
  padding: 0 !important;
  width: 100% !important;
  max-width: 100% !important;
}

#result-content * {
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.2 !important;
}

/* Global cursor styles */
body {
  cursor: default;
  user-select: none; /* Prevent text selection */
}

/* Allow text selection on AI chat page */
body.ai-chat-page {
  user-select: auto;
}
a[href], button {
  cursor: pointer;
}
input, textarea, [contenteditable="true"] {
  user-select: auto;
  cursor: auto;
}

/* Global color scheme */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #0f172a;
  --muted-text: #475569;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.6);
  --border: rgba(15, 23, 42, 0.08);
  --elev: 0 8px 24px rgba(0,0,0,0.08);
}

/* Removed @media prefers-color-scheme to prevent automatic dark mode */

.dark {
  --bg: #111827;
  --text: #f9fafb;
  --muted-text: #d1d5db;
  --surface: #1f2937;
  --surface-soft: rgba(31, 41, 55, 0.8);
  --border: rgba(255, 255, 255, 0.1);
  --elev: 0 8px 24px rgba(0,0,0,0.4);
}

body { 
  background-color: var(--bg); 
  color: var(--text); 
  transition: background-color 0.25s ease, color 0.25s ease; 
}

/* Apply dark styles only when .dark class is present */
.dark {
  background-color: var(--bg);
  color: var(--text);
}

/* Dark theme overrides for main elements */
.dark .text-brand-dark { color: var(--text) !important; }
.dark .text-gray-700 { color: var(--muted-text) !important; }
.dark .text-gray-600 { color: var(--muted-text) !important; }
.dark .text-gray-500 { color: var(--muted-text) !important; }

/* Hero and main sections */
.dark .hero-title { color: var(--text) !important; text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); }
.dark .hero-subtitle { color: var(--muted-text) !important; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); }

/* Background adaptations */
.dark .bg-floating-orbs { 
  background: var(--bg) !important; 
}

/* Dark theme floating orbs */
.dark .floating-orb {
  opacity: 0.4 !important;
}

/* Header in dark theme */
.dark #main-header {
  background: rgba(17, 24, 39, 0.9) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.dark .header-scrolled {
  background-color: rgba(17, 24, 39, 0.95) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Auth button in dark theme */
.dark .auth-btn { 
  background: var(--surface-soft) !important; 
  color: var(--text) !important; 
  border-color: var(--border) !important; 
}
.dark .auth-btn:hover { 
  background: var(--surface) !important; 
  border-color: #4f46e5 !important; 
  color: #4f46e5 !important; 
}

/* Cards and surfaces */
.dark .tool-card { 
  background-color: var(--surface) !important; 
  border-color: var(--border) !important; 
  color: var(--text) !important;
}
.dark .tool-card h3 { color: var(--text) !important; }
.dark .tool-card p { color: var(--muted-text) !important; }

/* Glass surfaces */
.dark .hero-spotlight { 
  background: var(--surface-soft) !important; 
  border-color: var(--border) !important; 
}
.dark .stats-aurora-glass { 
  background: var(--surface-soft) !important; 
  border-color: var(--border) !important; 
}
.dark .tools-glass-section { 
  background: var(--surface-soft) !important; 
  border-color: var(--border) !important; 
}

/* Buttons */
.dark .hero-button { 
  background: var(--surface) !important; 
  color: var(--text) !important; 
  border-color: var(--border) !important; 
}
.dark .hero-button:hover { 
  background: var(--surface-soft) !important; 
}

/* Tool card buttons in dark theme */
.dark .tool-card button {
  background: var(--surface) !important;
  color: #4f46e5 !important;
  border-color: #4f46e5 !important;
}
.dark .tool-card button:hover {
  background: rgba(79, 70, 229, 0.1) !important;
}

/* Glass cards in dark theme */
.dark .glass-card {
  background: var(--surface-soft) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}
.dark .glass-card .text-accent { color: #6366f1 !important; }
.dark .glass-card .text-gray-600 { color: var(--muted-text) !important; }

/* Back to top button */
.dark #backToTop {
  background: var(--surface) !important;
  color: #4f46e5 !important;
  border-color: var(--border) !important;
}
.dark #backToTop:hover {
  background: var(--surface-soft) !important;
  border-color: #4f46e5 !important;
}

/* Tool pages containers and forms */
.dark .bg-white {
  background-color: var(--surface) !important;
  color: var(--text) !important;
}

.dark .border-gray-100 {
  border-color: var(--border) !important;
}

.dark .border-dashed {
  border-color: var(--border) !important;
}

.dark .bg-neutral-50 {
  background-color: var(--surface-soft) !important;
}

.dark .text-gray-400 {
  color: var(--muted-text) !important;
}

.dark input[type="file"] {
  background-color: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

.dark textarea,
.dark input[type="text"],
.dark input[type="email"],
.dark input[type="password"],
.dark select {
  background-color: var(--surface) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}

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

/* Tool page buttons */
.dark button:not(.theme-toggle-btn) {
  background-color: var(--surface) !important;
  color: #4f46e5 !important;
  border-color: #4f46e5 !important;
}

.dark button:disabled {
  background-color: var(--surface-soft) !important;
  color: var(--muted-text) !important;
  border-color: var(--border) !important;
}

.dark .bg-gray-300 {
  background-color: var(--surface-soft) !important;
}

.dark .text-gray-500 {
  color: var(--muted-text) !important;
}

/* Specific color overrides for tool pages */
.dark .text-\[#111418\] {
  color: var(--text) !important;
}

.dark .text-\[#637488\] {
  color: var(--muted-text) !important;
}

.dark .border-\[#dce0e5\] {
  border-color: var(--border) !important;
}

.dark .bg-\[#f0f2f4\] {
  background-color: var(--surface-soft) !important;
}

.dark .focus\:border-\[#1978e5\]:focus {
  border-color: #4f46e5 !important;
}

.dark .focus\:ring-\[#1978e5\]:focus {
  --tw-ring-color: rgba(79, 70, 229, 0.3) !important;
}

/* Footer */
.dark footer { 
  background: var(--surface-soft) !important; 
  border-color: var(--border) !important; 
}
.dark footer h4 { color: var(--text) !important; }
.dark footer p { color: var(--muted-text) !important; }

/* Apple-style Background Options */

.bg-apple-mesh {
  background: linear-gradient(135deg, 
    #4f46e5 0%, 
    #4f46e5 25%, 
    #4f46e5 50%, 
    #4f46e5 75%, 
    #4f46e5 100%);
  background-size: 400% 400%;
  /* animation: gradientShift 15s ease infinite; */
  position: relative;
  overflow: hidden;
}

.bg-apple-mesh::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(79,70,229,0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(79,70,229,0.6) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(79,70,229,0.3) 0%, transparent 50%),
    radial-gradient(circle at 60% 70%, rgba(79,70,229,0.2) 0%, transparent 50%);
  animation: float 8s ease-in-out infinite;
}

.bg-apple-mesh::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(1px);
}

/* Option 2: Liquid Glass Effect */
.bg-liquid-glass {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.8) 0%, 
    rgba(248, 250, 252, 0.9) 50%, 
    rgba(241, 245, 249, 0.8) 100%);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.bg-liquid-glass::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 25% 75%, rgba(79,70,229,0.15) 0%, transparent 50%),
    radial-gradient(circle at 75% 25%, rgba(79,70,229,0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(79,70,229,0.08) 0%, transparent 60%);
  animation: float 12s ease-in-out infinite;
}

.bg-liquid-glass::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(45deg, transparent 49%, rgba(255, 255, 255, 0.3) 50%, transparent 51%),
    linear-gradient(-45deg, transparent 49%, rgba(255, 255, 255, 0.2) 50%, transparent 51%);
  background-size: 40px 40px;
  opacity: 0.3;
}

/* Option 3: Floating Orbs */
.bg-floating-orbs {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  position: relative;
  overflow: hidden;
}

.floating-orb {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  animation: float 8s ease-in-out infinite;
}

.floating-orb:nth-child(1) {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-orb:nth-child(2) {
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.07) 0%, transparent 70%);
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.floating-orb:nth-child(3) {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 70%);
  bottom: 30%;
  left: 60%;
  animation-delay: 4s;
}

/* Option 4: Geometric Minimal */
.bg-geometric {
  background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
  position: relative;
  overflow: hidden;
}

.bg-geometric::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, rgba(79,70,229,0.02) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(79,70,229,0.02) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(79,70,229,0.02) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(79,70,229,0.02) 75%);
  background-size: 60px 60px;
  background-position: 0 0, 0 30px, 30px -30px, -30px 0px;
  animation: float 20s ease-in-out infinite;
}

/* Glass cards for tools section */
.glass-card {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Hero text enhancements */
.hero-title {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Adaptive text colors for different backgrounds */
.bg-apple-mesh .hero-title {
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.bg-apple-mesh .hero-subtitle {
  color: #f8fafc;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Ensure buttons are visible on all backgrounds */
.bg-apple-mesh .hero-button {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.bg-apple-mesh .hero-button:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Sticky header enhancements */
#main-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  /* Максимально плавная анимация для сайдбара */
  will-change: background-color, backdrop-filter;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  /* Принудительное GPU ускорение - решение от Maxime Lafarie */
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  /* Дополнительные анти-флікер правила */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-perspective: 1000;
  perspective: 1000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Форсируем композитный слой */
  isolation: isolate;
}

.card-grid-container {
  perspective: 1000px;
}

/* Animation Optimization */
.tool-card {
  will-change: transform;
  position: relative;
  z-index: 1;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 1.5rem; /* Corresponds to rounded-3xl */
  box-shadow: 0 4px 20px 0 rgba(79, 70, 229, 0.08);
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.tool-card:hover {
  transform: translateY(-2px);
  background-color: rgba(255, 255, 255, 0.85);
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: 0 8px 32px rgba(79, 70, 229, 0.12), 0 0 0 1px rgba(79, 70, 229, 0.1);
}

.tool-card:hover::after {
  opacity: 1;
}

/* Статичные карточки советов */
.advice-card {
  background: rgba(255, 255, 255, 0.40);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 20px 0 rgba(79, 70, 229, 0.08);
  border-radius: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Hero Aurora Glass Effect */
.hero-aurora-glass {
  position: relative;
  overflow: hidden;
}

.hero-aurora-glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.15) 0%, rgba(79, 70, 229, 0.1) 25%, transparent 60%);
  animation: aurora-flow 20s ease-in-out infinite;
  z-index: -1;
  transform-origin: center;
}

@keyframes aurora-flow {
  0% { transform: translate(0%, 0%) rotate(0deg) scale(2); }
  25% { transform: translate(-20%, 20%) rotate(45deg) scale(2.5); }
  50% { transform: translate(0%, -20%) rotate(90deg) scale(2); }
  75% { transform: translate(20%, 20%) rotate(135deg) scale(2.5); }
  100% { transform: translate(0%, 0%) rotate(180deg) scale(2); }
}

/* Aurora Glass Effect for Stats Section */
.stats-aurora-glass {
  position: relative;
  overflow: hidden;
}

.stats-aurora-glass::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 30% 20%, rgba(79, 70, 229, 0.12) 0%, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(79, 70, 229, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 20% 90%, rgba(79, 70, 229, 0.1) 0%, transparent 60%);
  animation: stats-aurora-flow 18s ease-in-out infinite;
  z-index: -1;
  filter: blur(40px);
}

.stats-aurora-glass::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 80% 30%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 10% 70%, rgba(79, 70, 229, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 10%, rgba(79, 70, 229, 0.08) 0%, transparent 50%);
  animation: stats-aurora-flow-2 22s ease-in-out infinite reverse;
  z-index: -1;
  filter: blur(30px);
}

@keyframes stats-aurora-flow {
  0% {
    transform: translate(-10%, -10%) rotate(0deg) scale(0.5);
    opacity: 0;
  }
  15% {
    transform: translate(-5%, -5%) rotate(45deg) scale(0.7);
    opacity: 0.3;
  }
  30% {
    transform: translate(10%, 0%) rotate(90deg) scale(1.1);
    opacity: 0.9;
  }
  50% {
    transform: translate(0%, 10%) rotate(180deg) scale(0.9);
    opacity: 0.7;
  }
  70% {
    transform: translate(-5%, 5%) rotate(270deg) scale(1.05);
    opacity: 0.85;
  }
  85% {
    transform: translate(-8%, -8%) rotate(315deg) scale(0.8);
    opacity: 0.4;
  }
  100% {
    transform: translate(-10%, -10%) rotate(360deg) scale(0.5);
    opacity: 0;
  }
}

@keyframes stats-aurora-flow-2 {
  0% {
    transform: translate(5%, 5%) rotate(0deg) scale(0.3);
    opacity: 0;
  }
  20% {
    transform: translate(0%, 10%) rotate(72deg) scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: translate(-5%, 15%) rotate(144deg) scale(1.2);
    opacity: 0.8;
  }
  60% {
    transform: translate(10%, -5%) rotate(216deg) scale(0.8);
    opacity: 0.9;
  }
  80% {
    transform: translate(0%, 10%) rotate(288deg) scale(1.1);
    opacity: 0.7;
  }
  90% {
    transform: translate(3%, 8%) rotate(324deg) scale(0.5);
    opacity: 0.3;
  }
  100% {
    transform: translate(5%, 5%) rotate(360deg) scale(0.3);
    opacity: 0;
  }
}

/* Hero Spotlight Effect */
.hero-spotlight {
  position: relative;
  overflow: hidden;
}

.hero-spotlight::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 450px;
  height: 450px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(79,70,229,0.22) 0%, rgba(79,70,229,0.15) 40%, transparent 75%);
  filter: blur(70px);
  opacity: 0.9;
  transition: opacity 0.35s ease-out, transform 0.35s ease-out;
  pointer-events: none;
  z-index: 0;
}

.hero-spotlight:hover::after {
  opacity: 0.9;
  transform: translate(-50%, -50%) scale(1.05);
}

/* Sticky Header Animation */
.header-scrolled {
  padding: 0.75rem 1rem !important;
  background-color: rgba(255, 255, 255, 0.85) !important;
  backdrop-filter: blur(20px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
}

/* Sections and footer surfaces use variables */
/* Removed global CSS variable application to preserve original light theme */

/* Theme toggle button */
.theme-toggle-btn {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.4rem 0.8rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  line-height: 1;
  transition: all 0.2s ease;
  box-shadow: var(--elev);
}
.theme-toggle-btn:hover { 
  transform: translateY(-1px); 
  background: #4f46e5;
  color: white;
  border-color: #4f46e5;
}

.header-scrolled .logo {
  font-size: 1.5rem !important;
  margin-left: 0.5rem !important;
  transition: font-size 0.3s ease, margin-left 0.3s ease;
}

.header-scrolled .nav-link {
  font-size: 1.125rem !important;
  transition: font-size 0.3s ease;
}

.header-scrolled .logo img {
  width: 2rem !important;
  height: 2rem !important;
  margin-right: 0.5rem !important;
  transition: width 0.3s ease, height 0.3s ease, margin-right 0.3s ease;
}

/* New AI Chat Styles */

:root {
    --chat-bg-light: #FFFFFF;
    --chat-text-light: #111827;
    --chat-border-light: #e5e7eb;
    --chat-sidebar-bg-light: #F9FAFB;
    --chat-msg-user-bg-light: #F3F4F6;
    --chat-msg-bot-bg-light: #FFFFFF;

    --chat-bg-dark: #212121;
    --chat-text-dark: #FFFFFF;
    --chat-border-dark: #374151;
    --chat-sidebar-bg-dark: #000000;
    --chat-msg-user-bg-dark: #374151;
    --chat-msg-bot-bg-dark: #212121;
}

.light body.ai-chat-page { background-color: var(--chat-bg-light); color: var(--chat-text-light); }
.dark body.ai-chat-page { background-color: var(--chat-bg-dark); color: var(--chat-text-dark); }

.light .sidebar { background-color: var(--chat-sidebar-bg-light); border-color: var(--chat-border-light); }
.dark .sidebar { background-color: var(--chat-sidebar-bg-dark); border-color: var(--chat-border-dark); }

.light .chat-header { border-color: var(--chat-border-light); }
.dark .chat-header { border-color: var(--chat-border-dark); }

#chat-messages::-webkit-scrollbar { width: 8px; }
#chat-messages::-webkit-scrollbar-track { background: transparent; }
#chat-messages::-webkit-scrollbar-thumb { background-color: rgba(0,0,0,0.2); border-radius: 4px; }
.dark #chat-messages::-webkit-scrollbar-thumb { background-color: rgba(255,255,255,0.2); }

.message-user { background-color: var(--chat-msg-user-bg-light); }
.dark .message-user { background-color: var(--chat-msg-user-bg-dark); color: var(--chat-text-dark); }
.message-bot { background-color: var(--chat-msg-bot-bg-light); border: 1px solid var(--chat-border-light); }
.dark .message-bot { background-color: var(--chat-msg-bot-bg-dark); border: 1px solid var(--chat-border-dark); color: var(--chat-text-dark); }


.typing-indicator { display: flex; align-items: center; gap: 5px; }
.typing-dot { width: 8px; height: 8px; border-radius: 50%; background-color: currentColor; animation: typing-blink 1.4s infinite both; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-blink { 0%, 80%, 100% { opacity: 0; } 40% { opacity: 1; } }

pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    position: relative;
}
.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background-color: #4b5563;
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.2s;
}
pre:hover .copy-btn {
    opacity: 1;
}

/* Download button for code blocks/tables */
.download-btn {
    position: absolute;
    top: 0.5rem;
    right: 5.5rem; /* placed left of copy button */
    background-color: #10b981;
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.2s;
}
pre:hover .download-btn { opacity: 1; }

/* Inline download button under AI message */
.download-inline-btn {
  background-color: #10b981;
  color: #ffffff;
  border: none;
  padding: 0.35rem 0.6rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
}

/* Copy whole AI message button */
.message-copy-btn {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  width: 28px;
  height: 28px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 9999px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.75;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.message-copy-btn:hover { opacity: 1; transform: translateY(-1px); }
.message-copy-btn img { width: 14px; height: 14px; }

@media (max-width: 767px) {
    .sidebar {
        position: absolute;
        z-index: 10;
        height: 100%;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }
    .sidebar:not(.hidden) {
        transform: translateX(0);
    }
}
.prose {
    color: inherit;
}
.dark .prose-invert {
    color: var(--chat-text-dark);
}
.prose code {
    color: #dd1144;
}
.prose pre {
    color: #e2e8f0;
    background-color: #1e293b;
}

.prose pre code {
    color: inherit;
}

/* Улучшенная поддержка выделения текста */
.select-text {
  user-select: text !important;
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
}

.select-text * {
  user-select: text !important;
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
}

/* Курсор текста для выделяемых областей */
.cursor-text {
  cursor: text !important;
}

.cursor-text * {
  cursor: text !important;
}

/* Улучшенное форматирование для результатов сравнения */
#diff-markdown {
  font-size: 1.18rem;
  line-height: 1.7;
}
#diff-markdown h2, #diff-markdown h3 {
  font-size: 1.35em;
}
#diff-markdown strong {
  font-weight: 700;
}

/* Стили для кнопки сравнения */
.analyze-btn-inactive {
  background: #6b7280;
  color: #e5e7eb;
  border: 2px solid #6b7280;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 9999px;
  cursor: not-allowed;
  opacity: 0.7;
  transition: none;
}

.analyze-btn-active {
  background: white;
  color: #4f46e5;
  border: 2px solid #4f46e5;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.analyze-btn-active:hover {
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(79, 70, 229, 0.2);
}
#diff-markdown h2 {
  margin: 1.5rem 0;
  padding: 0.75rem;
  border-radius: 0.5rem;
}

#diff-markdown h3 {
  margin: 1.25rem 0 0.75rem 0;
  padding: 0.5rem 0;
  border-bottom: 2px solid #e5e7eb;
}

#diff-markdown p {
  margin: 0.5rem 0;
  line-height: 1.6;
}

#diff-markdown ul {
  margin: 0.5rem 0;
}

#diff-markdown li {
  margin: 0.25rem 0;
  line-height: 1.5;
}

#diff-markdown hr {
  margin: 2rem 0;
  border: none;
  border-top: 2px solid var(--border);
}

#diff-markdown br {
  line-height: 1.5;
}
 
/* Улучшенные стили для Markdown в tax consultant */
#markdown-container {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #374151;
}

#markdown-container h1,
#markdown-container h2,
#markdown-container h3,
#markdown-container h4,
#markdown-container h5,
#markdown-container h6 {
  font-weight: 700;
  color: #1f2937;
  margin: 1.5rem 0 1rem 0;
  padding: 0.5rem 0;
  border-bottom: 2px solid #e5e7eb;
}

#markdown-container h1 { font-size: 1.8rem; }
#markdown-container h2 { font-size: 1.6rem; }
#markdown-container h3 { font-size: 1.4rem; }
#markdown-container h4 { font-size: 1.2rem; }

#markdown-container p {
  margin: 0.8rem 0;
  line-height: 1.7;
}

#markdown-container ul,
#markdown-container ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

#markdown-container li {
  margin: 0.5rem 0;
  line-height: 1.6;
}

#markdown-container strong,
#markdown-container b {
  font-weight: 700;
  color: #1f2937;
}

#markdown-container em,
#markdown-container i {
  font-style: italic;
  color: #6b7280;
}

#markdown-container blockquote {
  border-left: 4px solid #4f46e5;
  padding-left: 1rem;
  margin: 1rem 0;
  background-color: #f9fafb;
  border-radius: 0.5rem;
  padding: 1rem;
}

#markdown-container code {
  background-color: #f3f4f6;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #dc2626;
}

#markdown-container pre {
  background-color: #1f2937;
  color: #f9fafb;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1rem 0;
}

#markdown-container pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
}

#markdown-container hr {
  margin: 2rem 0;
  border: none;
  border-top: 2px solid #d1d5db;
}

#markdown-container table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

#markdown-container th,
#markdown-container td {
  border: 1px solid #d1d5db;
  padding: 0.75rem;
  text-align: left;
}

#markdown-container th {
  background-color: #f9fafb;
  font-weight: 600;
  color: #374151;
}

/* Better styling for contract analysis results */
#result {
  padding: 8px 16px 16px 16px !important;
  margin-top: 8px !important;
}

#result h3 {
  margin-bottom: 4px !important;
  padding: 0 !important;
}

#result-content.prose {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text);
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 !important;
  padding: 0 !important;
}

#result-content.prose h1,
#result-content.prose h2,
#result-content.prose h3,
#result-content.prose h4,
#result-content.prose h5,
#result-content.prose h6 {
  font-weight: 700;
  color: #1f2937;
  margin: 0 !important;
  padding: 0 !important;
  border-bottom: none !important;
}

#result-content.prose h1 { font-size: 1.3rem; }
#result-content.prose h2 { font-size: 1.2rem; }
#result-content.prose h3 { font-size: 1.1rem; }
#result-content.prose h4 { font-size: 1.05rem; }

#result-content.prose p {
  margin: 0 !important;
  width: 100%;
  text-align: justify;
  padding: 0 !important;
  line-height: 1.3 !important;
}

#result-content.prose ul,
#result-content.prose ol {
  margin: 0.25rem 0 !important;
  padding-left: 1rem;
}

#result-content.prose li {
  margin: 0.1rem 0 !important;
}

#result-content.prose strong,
#result-content.prose b {
  font-weight: 700;
  color: #111827;
}

#result-content.prose blockquote {
  border-left: 3px solid #4f46e5;
  padding-left: 0.75rem;
  margin: 0.5rem 0 !important;
  background-color: #f9fafb;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
}

#result-content.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border-radius: 0.5rem;
  overflow: hidden;
}

#result-content.prose th,
#result-content.prose td {
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  text-align: left;
}

#result-content.prose th {
  background-color: var(--surface-soft);
  font-weight: 600;
}
 
.dark .advice-card {
  background: var(--surface) !important;
}

.dark .tips-glass-section {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}
 
/* Улучшенная видимость для инструментов в темной теме */
.dark textarea,
.dark input[type="text"],
.dark input[type="email"],
.dark input[type="password"],
.dark select {
  background-color: #232b3a !important;
  color: var(--text) !important;
  border: 1.5px solid #4f46e5 !important;
  box-shadow: 0 0 0 2px rgba(79,70,229,0.10);
  transition: border 0.2s, box-shadow 0.2s;
}
.dark textarea:focus,
.dark input[type="text"]:focus,
.dark input[type="email"]:focus,
.dark input[type="password"]:focus,
.dark select:focus {
  border: 1.5px solid #a5b4fc !important;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.25);
}
.dark textarea::placeholder,
.dark input::placeholder {
  color: #bfc7d5 !important;
  opacity: 1 !important;
}

.dark .border-dashed,
.dark .border-2 {
  border-color: #4f46e5 !important;
  border-width: 2px !important;
}
.dark .bg-neutral-50,
.dark .bg-white {
  background-color: #232b3a !important;
}
.dark .file\:bg-\[#f0f2f4\],
.dark .file\:bg-\[\#f0f2f4\] {
  background-color: #232b3a !important;
  color: var(--text) !important;
}
.dark input[type="file"] {
  background-color: #232b3a !important;
  color: var(--text) !important;
  border: 1.5px solid #4f46e5 !important;
  border-radius: 1rem !important;
}
.dark input[type="file"]:focus {
  border: 1.5px solid #a5b4fc !important;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.25);
}
.dark button:not(.theme-toggle-btn) {
  background-color: #232b3a !important;
  color: #a5b4fc !important;
  border: 2px solid #4f46e5 !important;
  box-shadow: 0 2px 8px rgba(79,70,229,0.10);
  transition: border 0.2s, box-shadow 0.2s;
}
.dark button:not(.theme-toggle-btn):hover,
.dark button:not(.theme-toggle-btn):focus {
  border: 2px solid #a5b4fc !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(79,70,229,0.18);
}
.dark button:disabled {
  background-color: #232b3a !important;
  color: #6b7280 !important;
  border: 2px dashed #4f46e5 !important;
  opacity: 0.7;
}
/* Яркая зона загрузки файлов */
.dark .border-dashed {
  border-style: dashed !important;
  background: rgba(79,70,229,0.07) !important;
  box-shadow: 0 2px 12px rgba(79,70,229,0.10);
}
 
/* Явные светлые цвета для текста в темной теме инструментов */
.dark .text-\[#111418\],
.dark .text-brand-dark,
.dark .text-gray-700,
.dark .text-gray-600,
.dark .text-gray-800,
.dark .text-gray-900,
.dark .text-neutral-800,
.dark .text-black,
.dark .text-base,
.dark .text-lg,
.dark .text-xl,
.dark .text-2xl,
.dark .text-3xl,
.dark .text-4xl,
.dark .text-5xl,
.dark .text-6xl,
.dark .text-7xl,
.dark .text-8xl,
.dark .text-9xl {
  color: var(--text) !important;
}
.dark .text-sm,
.dark .text-xs,
.dark .text-neutral-500,
.dark .text-gray-400,
.dark .text-gray-500,
.dark .text-[#637488] {
  color: var(--muted-text) !important;
}
.dark .file\:text-\[#111418\],
.dark .file\:text-\[\#111418\] {
  color: var(--text) !important;
}
.dark input[type="file"] {
  color: #fff !important;
  background-color: #2a3142 !important;
}
.dark input[type="file"]::file-selector-button {
  color: #fff !important;
  background: #4f46e5 !important;
  border: none !important;
}

/* Максимально специфичные правила для текста в инструментах */
.dark .tools-glass-section *,
.dark .tools-glass-section h1,
.dark .tools-glass-section h2,
.dark .tools-glass-section h3,
.dark .tools-glass-section p,
.dark .tools-glass-section label,
.dark .tools-glass-section .text-brand-dark,
.dark .tools-glass-section .text-\[#111418\],
.dark .tools-glass-section .text-gray-900,
.dark .tools-glass-section .text-gray-800,
.dark .tools-glass-section .text-gray-700,
.dark .tools-glass-section .text-gray-600,
.dark .tools-glass-section .block.text-base.font-medium,
.dark .bg-white h2.text-brand-dark,
.dark .bg-white p.text-gray-600,
.dark .bg-white label.block.text-base.font-medium,
.dark section .bg-white .text-brand-dark,
.dark section .bg-white .text-\[#111418\],
.dark section .bg-white .text-gray-700,
.dark section .bg-white .text-gray-600 {
  color: var(--text) !important;
}

.dark .tools-glass-section .text-gray-500,
.dark .tools-glass-section .text-gray-400,
.dark .tools-glass-section .text-\[#637488\],
.dark .bg-white .text-gray-400,
.dark .bg-white .text-\[#637488\] {
  color: var(--muted-text) !important;
}

/* Универсальное правило для всех темных цветов в инструментах */
html.dark .tools-glass-section [class*="text-gray"],
html.dark .tools-glass-section [class*="text-brand"],
html.dark .tools-glass-section [class*="text-[#1"],
html.dark .tools-glass-section [class*="text-black"],
html.dark .bg-white[class*="text-gray"],
html.dark .bg-white [class*="text-gray"],
html.dark .bg-white [class*="text-brand"],
html.dark .bg-white [class*="text-[#1"],
html.dark section div.bg-white *:not(svg):not(path) {
  color: var(--text) !important;
}

/* КРИТИЧЕСКИ ВАЖНО: Специальные стили для всех инструментов */
/* AI промпт, авто-проверка, анализ аудио, конвертер валют, генератор сообщений */
.dark .bg-white\/60,
.dark .bg-white\/70,
.dark .bg-white\/80,
.dark .bg-white\/90,
.dark .bg-white {
  background-color: #1f2937 !important;
  border: 1px solid #4f46e5 !important;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.15) !important;
}

/* Все тексты в контейнерах инструментов */
.dark .bg-white h1,
.dark .bg-white h2,
.dark .bg-white h3,
.dark .bg-white h4,
.dark .bg-white h5,
.dark .bg-white h6,
.dark .bg-white p,
.dark .bg-white span,
.dark .bg-white div,
.dark .bg-white label,
.dark .bg-white .text-brand-dark,
.dark .bg-white .text-gray-700,
.dark .bg-white .text-gray-600,
.dark .bg-white .text-gray-800,
.dark .bg-white .text-gray-900,
.dark .bg-white .text-black,
.dark .bg-white .text-\[#111418\],
.dark .bg-white .text-\[#637488\] {
  color: #f9fafb !important;
}

/* Зеленая плашка обработки файлов */
.dark .bg-green-100,
.dark .bg-green-200,
.dark .bg-green-500,
.dark .bg-green-600 {
  background-color: #065f46 !important;
  color: #d1fae5 !important;
  border: 1px solid #10b981 !important;
}

.dark .text-green-600,
.dark .text-green-700,
.dark .text-green-800 {
  color: #d1fae5 !important;
}

/* Кнопки в инструментах */
.dark .bg-white button,
.dark .bg-white\/60 button,
.dark .bg-white\/70 button,
.dark .bg-white\/80 button,
.dark .bg-white\/90 button {
  background-color: #4f46e5 !important;
  color: #ffffff !important;
  border: 1px solid #6366f1 !important;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3) !important;
}

.dark .bg-white button:hover,
.dark .bg-white\/60 button:hover,
.dark .bg-white\/70 button:hover,
.dark .bg-white\/80 button:hover,
.dark .bg-white\/90 button:hover {
  background-color: #6366f1 !important;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.4) !important;
}

/* Поля ввода в инструментах */
.dark .bg-white input,
.dark .bg-white textarea,
.dark .bg-white select,
.dark .bg-white\/60 input,
.dark .bg-white\/70 input,
.dark .bg-white\/80 input,
.dark .bg-white\/90 input {
  background-color: #374151 !important;
  color: #f9fafb !important;
  border: 1px solid #4f46e5 !important;
}

.dark .bg-white input::placeholder,
.dark .bg-white textarea::placeholder,
.dark .bg-white\/60 input::placeholder,
.dark .bg-white\/70 input::placeholder,
.dark .bg-white\/80 input::placeholder,
.dark .bg-white\/90 input::placeholder {
  color: #9ca3af !important;
}

/* Универсальное правило для ВСЕХ элементов в контейнерах инструментов */
.dark .tools-glass-section *,
.dark .bg-white *,
.dark .bg-white\/60 *,
.dark .bg-white\/70 *,
.dark .bg-white\/80 *,
.dark .bg-white\/90 * {
  color: #f9fafb !important;
}

/* Исключения для SVG и иконок */
.dark .tools-glass-section svg,
.dark .bg-white svg,
.dark .bg-white\/60 svg,
.dark .bg-white\/70 svg,
.dark .bg-white\/80 svg,
.dark .bg-white\/90 svg {
  color: #4f46e5 !important;
}