/* ShortKatari - Minimalist Design System (Inspired by Katarisoft.com & Shadcn UI) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Minimalist Palette */
  --bg-main: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #fcfcfd;
  --bg-input: #ffffff;

  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #00accf;
  --border-glow: rgba(0, 172, 207, 0.15);

  --text-main: #09090b;
  --text-muted: #64748b;
  --text-dim: #94a3b8;

  --primary: #09090b;
  --primary-hover: #27272a;
  --primary-foreground: #ffffff;

  --katari-cyan: #00accf;
  --katari-cyan-light: rgba(0, 172, 207, 0.08);
  --katari-teal: #04819a;

  --success: #10b981;
  --success-bg: #ecfdf5;
  --success-border: #a7f3d0;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-bg: #fef2f2;
  --danger-border: #fecaca;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    linear-gradient(to right, rgba(128, 128, 128, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(128, 128, 128, 0.06) 1px, transparent 1px);
  background-size: 14px 24px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Layout */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem 1.5rem;
}

/* Header & Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: opacity 0.2s;
}

.brand:hover .brand-logo-img {
  opacity: 0.85;
}

.brand-badge {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--katari-cyan-light);
  color: var(--katari-cyan);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 172, 207, 0.25);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Minimalist Nav Tabs */
.nav-tabs {
  display: flex;
  background: #f1f5f9;
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: calc(var(--radius-md) - 2px);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.nav-tab-btn:hover {
  color: var(--text-main);
}

.nav-tab-btn.active {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

.admin-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f8fafc;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

/* Minimalist Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.btn-cyan {
  background: var(--katari-cyan);
  color: #ffffff;
}

.btn-cyan:hover {
  background: var(--katari-teal);
}

.btn-danger {
  background: #ffffff;
  color: #dc2626;
  border-color: var(--danger-border);
}

.btn-danger:hover {
  background: var(--danger-bg);
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  text-align: center;
  margin: 3.5rem 0 3rem 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-xs);
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--katari-cyan);
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  color: var(--katari-cyan);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Shortener Box (Clean minimal card) */
.shortener-container {
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-lg);
}

.input-group-main {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.url-input-wrapper {
  position: relative;
  flex: 1;
}

.url-input-wrapper input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.25rem 0.95rem 3.1rem;
  font-size: 1rem;
  color: var(--text-main);
  outline: none;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
  box-shadow: var(--shadow-xs);
}

.url-input-wrapper input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--border-glow);
}

.url-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1.1rem;
  pointer-events: none;
}

.advanced-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  font-weight: 500;
  transition: color 0.15s;
}

.advanced-toggle-btn:hover {
  color: var(--text-main);
}

.advanced-options {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.advanced-options.open {
  display: grid;
}

.input-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.input-field label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
}

.input-field input, .input-field select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  font-family: var(--font-sans);
  transition: border-color 0.15s;
  box-shadow: var(--shadow-xs);
}

.input-field input:focus, .input-field select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--border-glow);
}

/* Slug Input Bar */
.slug-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  box-shadow: var(--shadow-xs);
  transition: all 0.15s ease;
  overflow: hidden;
}

.slug-input-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--border-glow);
}

.slug-prefix {
  background: #f8fafc;
  border-right: 1px solid var(--border-color);
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  user-select: none;
  white-space: nowrap;
}

.slug-input-wrapper input {
  border: none !important;
  outline: none !important;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0.85rem 1rem !important;
  flex: 1;
  font-size: 0.95rem;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.slug-helper-text {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
  line-height: 1.4;
}

.btn-text-action {
  background: transparent;
  border: none;
  color: var(--katari-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s;
}

.btn-text-action:hover {
  color: var(--katari-teal);
  text-decoration: underline;
}

/* Result Box */
.result-card {
  display: none;
  margin-top: 1.75rem;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  animation: fadeInDown 0.25s ease forwards;
}

.result-card.visible {
  display: block;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.result-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #059669;
  background: var(--success-bg);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--success-border);
}

.result-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
}

.result-url-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f8fafc;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
}

.result-url-text {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--katari-cyan);
  word-break: break-all;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: #ffffff;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xs);
}

.qr-canvas {
  width: 120px;
  height: 120px;
}

/* History / Recent Links */
.recent-section {
  max-width: 780px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.recent-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.15rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: all 0.15s ease;
}

.recent-item:hover {
  border-color: #cbd5e1;
  box-shadow: var(--shadow-card);
}

.recent-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: 65%;
}

.recent-slug {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
}

.recent-target {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Admin Dashboard View */
.admin-view {
  display: none;
}

.admin-view.active {
  display: block;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-nav-tabs {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
}

.admin-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.admin-tab-btn:hover {
  color: var(--text-main);
  background: #f1f5f9;
}

.admin-tab-btn.active {
  color: var(--text-main);
  background: #f1f5f9;
  font-weight: 600;
}

/* KPI Cards (Minimalist stats counter) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.kpi-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-xs);
  transition: border-color 0.15s;
}

.kpi-card:hover {
  border-color: #cbd5e1;
}

.kpi-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: var(--katari-cyan-light);
  color: var(--katari-cyan);
}

.kpi-data {
  display: flex;
  flex-direction: column;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* Analytics Grid */
.analytics-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.chart-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
}

.chart-container {
  position: relative;
  height: 270px;
  width: 100%;
}

.breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

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

.breakdown-bar-bg {
  flex: 1;
  height: 6px;
  background: #f1f5f9;
  border-radius: var(--radius-full);
  margin: 0 0.85rem;
  overflow: hidden;
}

.breakdown-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--katari-cyan);
}

/* Tables (Clean Light SaaS table) */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: #ffffff;
  box-shadow: var(--shadow-xs);
}

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

th {
  background: #f8fafc;
  padding: 0.75rem 1rem;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: middle;
  color: var(--text-main);
}

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

tr:hover td {
  background: #f8fafc;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-active {
  background: var(--success-bg);
  color: #059669;
  border: 1px solid var(--success-border);
}

.badge-paused {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge-ip {
  font-family: var(--font-mono);
  background: #f1f5f9;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

/* Modals */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease-out;
}

.modal-box.modal-lg {
  max-width: 780px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
}

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

/* Settings Form Grid */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.settings-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-xs);
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #ffffff;
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.15rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  min-width: 260px;
  animation: slideInRight 0.25s ease;
  transition: all 0.2s ease;
}

.toast-success { border-left: 4px solid var(--katari-cyan); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-info { border-left: 4px solid var(--text-main); }

/* Keyframe Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(15px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title { font-size: 2.25rem; }
  .input-group-main { flex-direction: column; }
  .analytics-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .result-content { grid-template-columns: 1fr; }
  .advanced-options { grid-template-columns: 1fr; }
}

/* Cloudflare Turnstile Styling */
#turnstile-shortener-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 65px;
  margin: 0.35rem 0 0.5rem 0;
}

#turnstile-login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 65px;
  margin: 0.35rem 0;
}