/* ==========================================================================
   CoinMiners — Official Product Design System
   Fintech / Developer Tools Dark Palette & Responsive Architecture
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-base: #060b11;
  --bg-surface: #0c1520;
  --bg-card: #101c2a;
  --bg-card-hover: #142436;
  --bg-glass: rgba(12, 21, 32, 0.85);

  --border-subtle: #192a3c;
  --border-card: #20354b;
  --border-focus: #00e599;

  --text-main: #f0f6fc;
  --text-secondary: #97a9b9;
  --text-muted: #5e7387;

  --primary: #00e599;
  --primary-hover: #10f5a4;
  --primary-glow: rgba(0, 229, 153, 0.22);
  --primary-dark: #00875a;

  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.2);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.2);
  --accent-rose: #f43f5e;
  --accent-rose-glow: rgba(244, 63, 94, 0.2);

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Shadows & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 30px var(--primary-glow);

  --container-max: 1240px;
  --nav-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body.nav-locked {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

img, svg {
  vertical-align: middle;
}

code, pre {
  font-family: var(--font-mono);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 12px;
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  flex-shrink: 0;
  margin-right: 8px;
  text-decoration: none;
}

.brand-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-image: url('/site/images/logo-icon.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: drop-shadow(0 0 10px rgba(255, 179, 0, 0.45)) drop-shadow(0 0 16px rgba(16, 185, 129, 0.25));
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: transparent !important;
}

.brand-img {
  width: 28px;
  height: 28px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(255, 179, 0, 0.45)) drop-shadow(0 0 16px rgba(16, 185, 129, 0.25));
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand:hover .brand-icon,
.brand:hover .brand-img {
  transform: rotate(6deg) scale(1.1);
}

.brand-text {
  display: inline-flex;
  align-items: center;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-text .text-coin {
  color: #FFB300;
  background: linear-gradient(135deg, #FFE082, #FFB300, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text .text-miners {
  color: #10B981;
  background: linear-gradient(135deg, #34D399, #10B981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--primary);
  background-color: rgba(0, 229, 153, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.badge-phase {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: rgba(0, 229, 153, 0.1);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 153, 0.3);
  white-space: nowrap;
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Off-canvas Mobile Drawer */
.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 998;
}

.mobile-backdrop.is-open {
  display: block;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-card);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 24px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(-320px);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
  background-color: rgba(0, 229, 153, 0.1);
}

/* Main Content Area */
main {
  flex: 1;
}

.page-section {
  padding: 80px 0;
  position: relative;
}

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

/* Hero Section */
.hero-section {
  padding: 100px 0 80px;
  background: radial-gradient(circle at 80% 20%, rgba(0, 229, 153, 0.08), transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(56, 189, 248, 0.05), transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-reassurance {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.reassurance-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-card {
  background: linear-gradient(145deg, var(--bg-card), var(--bg-surface));
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

/* Cards & Containers */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.card:hover {
  border-color: rgba(0, 229, 153, 0.3);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.card-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Grids */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--primary);
  color: #06110b;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 20px var(--primary-glow);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-secondary);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border-color: rgba(0, 229, 153, 0.5);
}

.btn-outline:hover {
  background-color: rgba(0, 229, 153, 0.1);
  border-color: var(--primary);
}

.btn-danger {
  background-color: rgba(244, 63, 94, 0.15);
  color: #fda4af;
  border-color: rgba(244, 63, 94, 0.4);
}

.btn-danger:hover {
  background-color: var(--accent-rose);
  color: #fff;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-emerald {
  background-color: rgba(0, 229, 153, 0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 229, 153, 0.3);
}

.badge-cyan {
  background-color: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-amber {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-rose {
  background-color: rgba(244, 63, 94, 0.12);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-muted {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-card);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-label-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-control {
  width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-suffix {
  position: absolute;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  pointer-events: none;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

.form-error {
  font-size: 0.8rem;
  color: var(--accent-rose);
  margin-top: 6px;
}

/* Status & Terminal Boxes */
.terminal-box {
  background-color: #070e17;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #b9d8cd;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 380px;
  overflow-y: auto;
}

/* Progress Bar */
.progress-container {
  margin: 20px 0;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.progress-track {
  width: 100%;
  height: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00875a, var(--primary));
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

/* Breakdown & Results Display */
.metric-tile {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-tile-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-tile-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}

.metric-tile-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.metric-tile-value.positive {
  color: var(--primary);
}

.metric-tile-value.negative {
  color: var(--accent-rose);
}

.metric-tile-value.warning {
  color: var(--accent-amber);
}

/* Alert Boxes */
.alert {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.alert-info {
  background-color: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: #bae6fd;
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: #fde68a;
}

.alert-success {
  background-color: rgba(0, 229, 153, 0.08);
  border: 1px solid rgba(0, 229, 153, 0.25);
  color: #a7f3d0;
}

/* Accordion / Details */
details.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  padding: 18px 22px;
  transition: border-color 0.15s ease;
}

details.faq-item[open] {
  border-color: rgba(0, 229, 153, 0.3);
}

details.faq-item summary {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--primary);
  transition: transform 0.2s ease;
}

details.faq-item[open] summary::after {
  content: "−";
}

details.faq-item .faq-content {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Data Table */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast-fade {
  opacity: 0;
  transform: translateY(10px);
}

.toast-info { border-left: 4px solid var(--accent-cyan); }
.toast-success { border-left: 4px solid var(--primary); }
.toast-warning { border-left: 4px solid var(--accent-amber); }
.toast-error { border-left: 4px solid var(--accent-rose); }

/* Site Footer */
.site-footer {
  margin-top: auto;
  background-color: #04080d;
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 16px;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (max-width: 1200px) {
  .badge-phase {
    display: none;
  }
}

@media (max-width: 1000px) {
  .nav-links, .nav-actions .btn, .badge-phase {
    display: none;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .page-section {
    padding: 60px 0;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Zero-Config Path Selector & Advanced Accordion */
.path-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0 24px;
}

.path-choice {
  background: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.path-choice:hover {
  border-color: var(--border-card);
  background: var(--bg-card);
}

.path-choice.active {
  border-color: var(--primary);
  background: rgba(0, 229, 153, 0.08);
  box-shadow: 0 0 15px rgba(0, 229, 153, 0.12);
}

.path-choice-title {
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 4px;
}

.path-choice-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .path-selector {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.advanced-details {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 24px;
  overflow: hidden;
}

.advanced-summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.advanced-summary:hover {
  color: #fff;
}

.advanced-content {
  padding: 20px;
  border-top: 1px solid var(--border-subtle);
}

.opp-card-mini {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s ease;
}

.opp-card-mini:hover {
  border-color: var(--primary);
}

/* ==============================================================================
   Authentication Modal & Header User Menu (Phase 1.1)
   ============================================================================== */

/* Header Auth Slot */
.header-auth-slot {
  display: flex;
  align-items: center;
}

/* User Avatar & Dropdown */
.user-menu-wrapper {
  position: relative;
  display: inline-block;
}

.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 4px;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.user-avatar-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 229, 153, 0.4);
}

.user-avatar-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-avatar-img {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
  display: block;
  flex-shrink: 0;
  border: 1px solid rgba(0, 229, 153, 0.4);
}

.user-avatar-badge {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), #00b377);
  color: #06090e;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-avatar-name {
  font-size: 0.85rem;
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.caret-icon {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  background: #111822;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  padding: 8px 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
}

.dropdown-user-info {
  padding: 10px 16px 8px;
}

.dropdown-email {
  font-size: 0.8rem;
  color: var(--text-main);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge-role {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: rgba(0, 229, 153, 0.1);
  color: var(--primary);
  margin-top: 4px;
}

.dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: 6px 0;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.dropdown-item.text-danger {
  color: #ff5c5c;
}

.dropdown-item.text-danger:hover {
  background: rgba(255, 92, 92, 0.1);
  color: #ff7575;
}

/* Auth Modal Dialog */
.auth-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 11, 0.82);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.auth-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: #0f1620;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  padding: 32px 28px;
  animation: modalFadeIn 0.25s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s ease;
}

.auth-modal-close:hover {
  color: var(--text-main);
}

.auth-modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.auth-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px 0;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* Google OAuth Button */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #ffffff;
  color: #1f2937;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.btn-google:hover {
  background: #f9fafb;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.google-icon {
  flex-shrink: 0;
}

/* Auth Divider */
.auth-divider {
  position: relative;
  text-align: center;
  margin: 20px 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.auth-divider span {
  position: relative;
  background: #0f1620;
  padding: 0 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Form inputs & alerts */
.auth-form .form-group {
  margin-bottom: 16px;
}

.auth-form .form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.auth-alert {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  line-height: 1.4;
  margin-bottom: 18px;
}

.auth-alert-error {
  background: rgba(255, 92, 92, 0.1);
  border: 1px solid rgba(255, 92, 92, 0.3);
  color: #ff8585;
}

.auth-alert-success {
  background: rgba(0, 229, 153, 0.1);
  border: 1px solid rgba(0, 229, 153, 0.3);
  color: #38efac;
}

.auth-modal-footer {
  margin-top: 20px;
  text-align: center;
}

.auth-terms-note {
  font-size: 0.72rem;
  color: #64748b;
  margin: 0;
  line-height: 1.4;
}

.auth-terms-note a {
  color: var(--text-secondary);
  text-decoration: underline;
}

.auth-terms-note a:hover {
  color: var(--primary);
}

@media (max-width: 480px) {
  .auth-modal-dialog {
    padding: 24px 18px;
  }
  .user-avatar-name {
    display: none;
  }
}

.referral-consent-banner {
  position: fixed;
  z-index: 1000;
  right: 20px;
  bottom: 20px;
  width: min(560px, calc(100vw - 40px));
  padding: 18px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

.referral-consent-copy {
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.referral-consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 560px) {
  .referral-consent-banner {
    right: 12px;
    bottom: 12px;
    width: calc(100vw - 24px);
  }
  .referral-consent-actions > button {
    flex: 1 1 140px;
  }
}