/* ==========================================================================
   AI HUNT - DESIGN SYSTEM & STYLES
   Tailored for rollyycom/labs AI Product Discovery Platform
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette */
  --bg-dark: #090a0f;
  --bg-card: rgba(18, 20, 29, 0.75);
  --bg-card-hover: rgba(26, 29, 43, 0.9);
  --bg-modal: rgba(15, 17, 26, 0.95);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(147, 51, 234, 0.4);
  --border-active: rgba(59, 130, 246, 0.5);

  --accent-purple: #9333ea;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;

  --gradient-brand: linear-gradient(135deg, #a855f7 0%, #6366f1 50%, #06b6d4 100%);
  --gradient-glow: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, rgba(99, 102, 241, 0.05) 50%, transparent 70%);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 25px rgba(168, 85, 247, 0.25);
  --shadow-upvote: 0 4px 15px rgba(147, 51, 234, 0.35);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(147, 51, 234, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(99, 102, 241, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Typography Utilities */
h1, h2, h3, h4, .brand-font {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout Containers */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Glass Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-brand);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
  fill: #fff;
}

.nav-search {
  position: relative;
  flex: 1;
  max-width: 460px;
}

.nav-search input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.9rem;
  transition: var(--transition-normal);
  outline: none;
}

.nav-search input:focus {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.25);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-bounce);
  border: none;
  outline: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 20px rgba(147, 51, 234, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(147, 51, 234, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
}

.btn-outline:hover {
  background: rgba(6, 182, 212, 0.1);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  padding: 48px 0 32px;
  text-align: center;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(147, 51, 234, 0.12);
  border: 1px solid rgba(147, 51, 234, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: #c084fc;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 28px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 16px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

.stat-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Category Tag Bar */
.category-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 0 24px;
  scrollbar-width: none;
}
.category-bar::-webkit-scrollbar {
  display: none;
}

.category-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-normal);
}

.category-chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.category-chip.active {
  background: var(--gradient-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.3);
}

/* Main Content Grid */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  margin-bottom: 64px;
}

@media (max-width: 992px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Tab Navigation */
.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.tabs-group {
  display: flex;
  gap: 8px;
}

.tab-btn {
  padding: 8px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: #fff;
  background: rgba(147, 51, 234, 0.18);
  box-shadow: inset 0 0 0 1px rgba(147, 51, 234, 0.4);
}

/* Feed Container */
.product-feed {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Product Card */
.product-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-fast);
}

.product-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.product-card:hover::before {
  opacity: 1;
}

.product-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

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

.product-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.badge-github {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: #e2e8f0;
  font-family: 'JetBrains Mono', monospace;
}

.badge-github svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.product-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tag-pill {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.meta-comments {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* Upvote Button */
.upvote-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-bounce);
  flex-shrink: 0;
}

.upvote-btn:hover {
  background: rgba(147, 51, 234, 0.15);
  border-color: var(--accent-purple);
  transform: scale(1.05);
}

.upvote-btn.voted {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-upvote);
}

.upvote-icon {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.2s ease;
}

.upvote-btn:hover .upvote-icon {
  transform: translateY(-2px);
}

.upvote-count {
  font-size: 0.9rem;
  font-weight: 700;
  margin-top: 2px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Sidebar Widgets */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.widget-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.widget-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trending-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  text-decoration: none;
  color: inherit;
}

.trending-item:last-child {
  border-bottom: none;
}

.trending-rank {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent-purple);
  width: 20px;
}

.trending-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.trending-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Modals & Drawers */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-modal);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* Form Controls inside Submission Drawer */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-normal);
}

.form-control:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.25);
  background: rgba(255, 255, 255, 0.06);
}

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

/* Notification Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(18, 20, 29, 0.95);
  border: 1px solid var(--accent-purple);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: slideInRight 0.3s ease forwards;
}

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

/* Comments System */
.comments-section {
  margin-top: 28px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
}

.comment-card {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-author {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
}

.comment-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 4px;
}