/* ===================================================
   SHORTLINK & TRAFFIC ANALYTICS - DESIGN SYSTEM
   Modern Dark Glassmorphism, Neon Accents, Inter Typography
=================================================== */

:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --gradient-brand: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --font-main: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation Bar */
.navbar {
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hero Section */
.hero-section {
  padding: 60px 0 40px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: #818cf8;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
  transition: all 0.25s ease;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Shortener Form Card */
.shortener-card {
  max-width: 840px;
  margin: 0 auto 50px;
  position: relative;
}

.shortener-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), transparent, rgba(6, 182, 212, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.input-main-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .input-main-group {
    flex-direction: column;
  }
}

.input-icon-wrap {
  position: relative;
  flex: 1;
}

.input-icon-wrap svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.input-field {
  width: 100%;
  padding: 14px 16px 14px 44px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
  outline: none;
}

.input-field:focus {
  border-color: var(--accent-indigo);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.input-field::placeholder {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.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-sm {
  padding: 7px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* Advanced Options Drawer */
.advanced-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  transition: color 0.2s;
}

.advanced-toggle-btn:hover {
  color: var(--accent-cyan);
}

.advanced-options {
  display: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  animation: fadeIn 0.3s ease;
}

.advanced-options.show {
  display: block;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.field-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.section-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Result Modal or Box */
.result-box {
  display: none;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
  animation: slideUp 0.3s ease;
}

.result-box.show {
  display: block;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.result-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 768px) {
  .result-content {
    flex-direction: row;
    align-items: center;
  }
}

.result-details {
  flex: 1;
}

.short-url-display {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(9, 13, 22, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin: 12px 0;
}

.short-url-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-cyan);
  word-break: break-all;
  flex: 1;
}

.qr-preview-box {
  width: 140px;
  height: 140px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.qr-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Stats / Dashboard Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: var(--gradient-brand);
  opacity: 0.06;
  border-radius: 50%;
  transform: translate(20px, -20px);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.stat-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Charts & Breakdown Cards */
.chart-card {
  margin-bottom: 28px;
}

.chart-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.filter-tabs {
  display: flex;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px;
}

.filter-tab {
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-tab.active {
  background: var(--accent-indigo);
  color: #fff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.chart-wrapper {
  position: relative;
  height: 280px;
  width: 100%;
}

/* Progress / Breakdown Lists */
.breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.breakdown-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.breakdown-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.breakdown-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.breakdown-badge {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.progress-bar-bg {
  height: 7px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--gradient-brand);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Recent Clicks Table */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th {
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  white-space: nowrap;
}

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

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

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-blue {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-gray {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

/* Country Flag */
.country-flag {
  font-size: 1.1rem;
  line-height: 1;
}

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

.toast {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.25s ease;
  min-width: 260px;
}

.toast-success {
  border-color: rgba(16, 185, 129, 0.5);
}

.toast-error {
  border-color: rgba(244, 63, 94, 0.5);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Pulse Live Indicator */
.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  position: relative;
  display: inline-block;
}

.live-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  opacity: 0.5;
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 30px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 60px;
}