/**
 * BizHunt.ru -- Main Styles
 * Modern SaaS aesthetic (Linear / Vercel / Raycast inspired)
 */

/* --- Variables ------------------------------------------------------------ */

:root {
  --color-primary: #c9a44a;
  --color-primary-dark: #a07830;
  --color-primary-light: #e8c973;
  --color-primary-bg: rgba(200,165,74,0.08);
  --color-primary-glow: rgba(200,165,74,0.15);

  --color-accent: #d4a94a;
  --color-accent-dark: #b08a30;
  --color-accent-light: #e8c973;
  --color-accent-bg: rgba(200,165,74,0.06);

  --color-success: #34d399;
  --color-success-bg: rgba(52,211,153,0.08);
  --color-warning: #fbbf24;
  --color-warning-bg: rgba(251,191,36,0.08);
  --color-error: #f87171;
  --color-error-bg: rgba(248,113,113,0.08);

  --color-hot: #f87171;
  --color-promising: #fbbf24;
  --color-exploring: #60a5fa;
  --color-weak: #6b7280;

  --color-text: #e8e6e3;
  --color-text-secondary: #9a9590;
  --color-text-muted: #5a5652;

  --color-bg: #0c0b0f;
  --color-bg-white: #151419;
  --color-bg-secondary: #1a1820;
  --color-bg-tertiary: #222028;
  --color-bg-dark: #08070a;
  --color-bg-dark-secondary: #111015;

  --color-border: rgba(255,255,255,0.08);
  --color-border-light: rgba(255,255,255,0.04);

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  --line-height-tight: 1.15;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.04);
  --shadow-card-hover: 0 8px 24px -4px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(200, 165, 74, 0.15);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 60px;
}

/* --- Reset ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus {
  left: 10px; top: 10px; z-index: 1000;
  background: var(--color-primary); color: #fff;
  padding: 8px 16px; border-radius: var(--radius-md);
}

/* --- Lucide icons --------------------------------------------------------- */

[data-lucide] {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  stroke-width: 2;
}

/* --- Layout --------------------------------------------------------------- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section--alt {
  background: var(--color-bg-secondary);
}

/* --- Header --------------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 10, 9, 0.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  height: var(--header-height);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: #ffffff;
  letter-spacing: -0.01em;
  transition: opacity var(--transition-fast);
}
.nav__logo:hover { color: #ffffff; opacity: 0.85; }

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  gap: 2px;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.nav__link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}
.nav__link--active {
  color: #ffffff;
  background: rgba(200, 165, 74, 0.2);
}

.nav__link-icon {
  display: flex;
  align-items: center;
}
.nav__link-icon svg {
  width: 15px;
  height: 15px;
}

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 1px;
  transition: var(--transition-fast);
}

/* --- Hero ----------------------------------------------------------------- */

/* --- Hero ----------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: #0a0a0c;
}

/* Full-width city background */
.hero__city {
  position: absolute;
  inset: 0;
  background: url('/assets/images/hero-city.jpg') center bottom / cover no-repeat;
  animation: heroBlur 3s ease forwards;
  transform: scale(1.06);
}

/* Dark overlay for text readability */
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8,8,10,0.92) 0%, rgba(8,8,10,0.7) 50%, rgba(8,8,10,0.4) 100%);
  z-index: 1;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
  align-items: center;
}

/* — Left: text content — */
.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-xl) var(--spacing-3xl) 0;
}

.hero__title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.03em;
  color: #e8e6e3;
  opacity: 0;
  transform: translateX(-30px);
  animation: heroTextIn 0.7s ease 0.3s forwards;
}

.hero__title-accent {
  background: linear-gradient(135deg, #c9a44a 0%, #e8c973 40%, #a07830 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(200,195,185,0.6);
  max-width: 440px;
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
  font-weight: 400;
  opacity: 0;
  transform: translateX(-30px);
  animation: heroTextIn 0.7s ease 0.5s forwards;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateX(-30px);
  animation: heroTextIn 0.7s ease 0.7s forwards;
}

/* Hero buttons — metallic gold style */
.btn--hero {
  background: linear-gradient(135deg, #b8942e 0%, #d4a94a 50%, #a07830 100%);
  color: #0a0a0c;
  border: 1px solid rgba(200,170,80,0.3);
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(180,140,40,0.25);
}
.btn--hero:hover {
  background: linear-gradient(135deg, #d4a94a 0%, #e8c973 50%, #b8942e 100%);
  color: #0a0a0c;
  box-shadow: 0 4px 20px rgba(200,170,80,0.35);
  transform: translateY(-1px);
}
.btn--hero:active { transform: translateY(0); }

.btn--hero-outline {
  background: rgba(255,255,255,0.04);
  color: #c8b880;
  border: 1px solid rgba(200,170,80,0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn--hero-outline:hover {
  background: rgba(200,170,80,0.1);
  color: #e8d8a0;
  border-color: rgba(200,170,80,0.5);
  transform: translateY(-1px);
}
.btn--hero-outline:active { transform: translateY(0); }

.hero__stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  opacity: 0;
  animation: heroFadeIn 0.8s ease 1s forwards;
}

.hero__stat { text-align: left; }

.hero__stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #e8e6e3;
  letter-spacing: -0.02em;
}

.hero__stat-label {
  font-size: var(--font-size-xs);
  color: rgba(200,195,185,0.4);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* — Right: visual scene — */
.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero__emblem {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: heroVibrate 0.15s ease 1.5s 4;
}

.hero__logo {
  position: relative;
  z-index: 3;
  width: 340px;
  max-width: 85%;
  opacity: 0;
  animation: heroLogoBounce 1s cubic-bezier(.34,1.56,.64,1) 0.5s forwards;
  filter: drop-shadow(0 8px 40px rgba(0,0,0,0.5)) drop-shadow(0 0 60px rgba(200,170,80,0.15));
}

.hero__logo img {
  width: 100%;
  height: auto;
  display: block;
}

/* Glow behind logo — warm golden */
.hero__glow {
  position: absolute;
  z-index: 1;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,170,80,0.18) 0%, rgba(180,140,40,0.06) 50%, transparent 70%);
  opacity: 0;
  animation: heroGlowIn 1.5s ease 1.3s forwards;
  pointer-events: none;
}

/* — Keyframes — */
@keyframes heroBlur {
  0%   { filter: blur(14px) brightness(0.2); }
  40%  { filter: blur(3px) brightness(0.6); }
  100% { filter: blur(2px) brightness(0.45); }
}

@keyframes heroLogoBounce {
  0%   { opacity: 0; transform: translateY(-60px) scale(0.7); }
  50%  { opacity: 1; transform: translateY(12px) scale(1.05); }
  70%  { transform: translateY(-6px) scale(0.98); }
  85%  { transform: translateY(3px) scale(1.01); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes heroVibrate {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-3px) rotate(-0.5deg); }
  75%      { transform: translateX(3px) rotate(0.5deg); }
}

@keyframes heroGlowIn {
  0%   { opacity: 0; transform: scale(0.5); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes heroTextIn {
  0%   { opacity: 0; transform: translateX(-30px); }
  100% { opacity: 1; transform: translateX(0); }
}

@keyframes heroFadeIn {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.hero__emblem.loaded {
  animation: heroFloat 4s ease-in-out infinite;
}

/* — Hero responsive — */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__overlay {
    background:
      linear-gradient(180deg, rgba(8,8,10,0.88) 0%, rgba(8,8,10,0.6) 50%, rgba(8,8,10,0.85) 100%);
  }
  .hero__content {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    align-items: center;
    order: 1;
  }
  .hero__visual {
    order: 0;
    min-height: 280px;
  }
  .hero__subtitle { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__stat { text-align: center; }
  .hero__plate { width: 260px; }
  .hero__logo { width: 140px; }
}

@media (max-width: 480px) {
  .hero__visual { min-height: 220px; }
  .hero__plate { width: 200px; }
  .hero__logo { width: 110px; }
  .hero__stats { gap: var(--spacing-lg); }
}

/* Legacy hero badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-xl);
  border: 1px solid rgba(255,255,255,0.1);
}

/* --- Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  line-height: 1.4;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #0c0b0f;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(200,165,74,0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: #0c0b0f;
  box-shadow: 0 4px 16px rgba(200,165,74,0.35), inset 0 1px 0 rgba(255,255,255,0.2);
  transform: translateY(-1px);
}
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(200, 165, 74, 0.3);
}

.btn--secondary {
  background: rgba(255,255,255,0.04);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}
.btn--secondary:active {
  transform: translateY(0);
}

.btn--lg {
  padding: 12px 28px;
  font-size: var(--font-size-base);
  border-radius: var(--radius-xl);
}

.btn--sm {
  padding: 6px 14px;
  font-size: var(--font-size-xs);
}

/* --- Cards ---------------------------------------------------------------- */

.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(200,165,74,0.2);
  transform: translateY(-3px);
}

.card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  background: var(--color-primary-bg);
  color: var(--color-primary);
}
.card__icon svg {
  width: 22px;
  height: 22px;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.card__text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.card__meta {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* --- Tool Layout ---------------------------------------------------------- */

.tool-header {
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
  text-align: center;
}
.tool-header__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}
.tool-header__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

.tool-content {
  padding: 0 0 var(--spacing-4xl);
}

/* --- Forms ---------------------------------------------------------------- */

.form-group {
  margin-bottom: var(--spacing-lg);
}
.form-label {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-bottom: 6px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.form-select, .form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg-white);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
  appearance: none;
  -webkit-appearance: none;
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow), var(--shadow-xs);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* --- Tags / Chips --------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  gap: 4px;
}
.tag--hot { background: var(--color-error-bg); color: var(--color-hot); }
.tag--promising { background: var(--color-warning-bg); color: var(--color-promising); }
.tag--exploring { background: rgba(96,165,250,0.08); color: var(--color-exploring); }
.tag--weak { background: var(--color-bg-tertiary); color: var(--color-weak); }

/* --- Score Badge ---------------------------------------------------------- */

.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.score-badge--hot { background: var(--color-error-bg); color: var(--color-hot); border: 2px solid var(--color-hot); }
.score-badge--promising { background: var(--color-warning-bg); color: var(--color-promising); border: 2px solid var(--color-promising); }
.score-badge--exploring { background: rgba(96,165,250,0.08); color: var(--color-exploring); border: 2px solid var(--color-exploring); }
.score-badge--weak { background: var(--color-bg-tertiary); color: var(--color-weak); border: 2px solid var(--color-weak); }

/* --- Chart Container ------------------------------------------------------ */

.chart-container {
  position: relative;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

.chart-controls {
  display: flex;
  gap: 6px;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.chart-toggle {
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chart-toggle:hover {
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  background: var(--color-primary-bg);
}
.chart-toggle--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* --- Heatmap -------------------------------------------------------------- */

.heatmap-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.heatmap {
  display: grid;
  gap: 2px;
  min-width: 600px;
}

.heatmap__cell {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  min-width: 20px;
}
.heatmap__cell:hover {
  transform: scale(1.3);
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.heatmap__label {
  font-size: 10px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 2px 4px;
}

/* --- AI Chat -------------------------------------------------------------- */

.chat-container {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-height: 300px;
  max-height: 500px;
  overflow-y: auto;
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
}

.chat-message {
  max-width: 85%;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.chat-message--user {
  align-self: flex-end;
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
}

.chat-message--ai {
  align-self: flex-start;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: var(--radius-sm);
  box-shadow: var(--shadow-xs);
}

.chat-welcome {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding: var(--spacing-xl) 0;
}
.chat-welcome__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 500px;
}
.chat-welcome__btn {
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg-white);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.chat-welcome__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(201, 164, 74, 0.06);
}

.chat-input-wrapper {
  display: flex;
  gap: var(--spacing-sm);
}
.chat-input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  outline: none;
  transition: all var(--transition-fast);
  background: var(--color-bg-white);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}
.chat-input::placeholder {
  color: var(--color-text-muted);
}
.chat-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow), var(--shadow-xs);
}
.chat-send {
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.chat-send:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.chat-send:active { transform: translateY(0); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* --- Idea Card (Generator) ------------------------------------------------ */

.idea-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.idea-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.idea-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}
.idea-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.idea-card__tags {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}
.idea-card__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
.idea-card__metric {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  border: 1px solid var(--color-border-light);
}
.idea-card__metric-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}
.idea-card__metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}
.idea-card__insight {
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}
.idea-card__ai-section {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}
.idea-card__ai-label {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

/* --- Tables (global) ------------------------------------------------------ */

table {
  border-collapse: collapse;
}

/* --- Loading -------------------------------------------------------------- */

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}
.loading__spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: var(--spacing-sm);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Tooltip -------------------------------------------------------------- */

.tooltip {
  position: absolute;
  background: var(--color-bg-dark);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  pointer-events: none;
  z-index: 200;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- Footer --------------------------------------------------------------- */

.footer {
  background: var(--color-bg-dark);
  color: #a8a29e;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 165, 74, 0.3), transparent);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand {}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  transition: opacity var(--transition-fast);
}
.footer__logo:hover { color: #ffffff; opacity: 0.8; }

.footer__logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer__tagline {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 320px;
  color: #78716c;
}

.footer__heading {
  color: #e7e5e4;
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer__links li { margin-bottom: 8px; }
.footer__links a {
  color: #a8a29e;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}
.footer__links a:hover { color: #ffffff; }

.footer__bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: var(--font-size-xs);
  text-align: center;
  color: #57534e;
}

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .footer__grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
  .cards-grid { grid-template-columns: 1fr; }
  .idea-card__metrics { grid-template-columns: repeat(2, 1fr); }

  .nav__links { display: none; }
  .nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(12, 10, 9, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
  }
  .nav__burger { display: flex; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--spacing-md); }
}