/* ToolStaq CSS Framework - High-Performance Glassmorphic & Neo-Brutalist Design */

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

:root {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Color Palette */
  --bg-primary: #08030f;
  --bg-secondary: #110722;
  --card-bg: rgba(22, 11, 38, 0.55);
  --card-border: rgba(255, 255, 255, 0.07);
  --card-border-hover: rgba(162, 28, 175, 0.4);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --primary: #d946ef;
  --primary-glow: rgba(217, 70, 239, 0.35);
  --secondary: #06b6d4;
  --secondary-glow: rgba(6, 182, 212, 0.35);
  --accent: #f43f5e;
  
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 25px rgba(217, 70, 239, 0.15);
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(217, 70, 239, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 4rem;
}

/* Header & Typography */
header {
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(8, 3, 15, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  width: 2rem;
  height: 2rem;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--bg-primary);
  -webkit-text-fill-color: var(--bg-primary);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 1rem 5rem 1rem;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 40%, #ff77ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
}

/* Search bar wrapper */
.search-container {
  max-width: 580px;
  margin: 0 auto;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1.1rem 1.5rem 1.1rem 3.2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 9999px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(217, 70, 239, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

.search-icon {
  position: absolute;
  left: 1.3rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 1.2rem;
  height: 1.2rem;
  pointer-events: none;
}

/* Categories Filter */
.categories-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  padding: 0.5rem 1.2rem;
  border-radius: 9999px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--bg-primary);
  border-color: transparent;
  font-weight: 600;
}

/* Grid Layouts */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Tool Cards */
.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition-smooth);
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-glow);
  background: rgba(30, 16, 50, 0.7);
}

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

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.tool-icon-wrapper {
  font-size: 2rem;
}

.tool-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.tool-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tool-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.tool-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1rem;
}

.tool-searches {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--secondary);
}

.tool-diff {
  color: var(--accent);
}

/* Tool View Styles */
.tool-view-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .tool-view-layout {
    grid-template-columns: 3fr 1fr;
  }
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

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

/* Workspace panel */
.workspace-panel {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.workspace-header {
  margin-bottom: 1.5rem;
}

.workspace-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.workspace-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Form elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.text-area {
  width: 100%;
  height: 280px;
  background: rgba(8, 3, 15, 0.5);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.9rem;
  padding: 1rem;
  resize: vertical;
  outline: none;
  transition: var(--transition-smooth);
}

.text-area:focus {
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(217, 70, 239, 0.15);
}

.text-area.input-error {
  border-color: var(--error);
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.15);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--bg-primary);
  border: none;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #e879f9 0%, #22d3ee 100%);
  box-shadow: 0 0 20px rgba(217, 70, 239, 0.3);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Sidebar Info Panel */
.info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-card {
  background: rgba(25, 15, 38, 0.3);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
}

.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.sidebar-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Results panel */
.result-panel {
  background: rgba(8, 3, 15, 0.4);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.result-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--secondary);
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  padding: 1rem;
  font-family: monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 400px;
  overflow-y: auto;
}

/* Word Counter stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 480px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Specific tool additions (e.g. Password Generator UI) */
.range-slider {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  margin: 1rem 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 10px var(--primary-glow);
}

.checkbox-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

@media (min-width: 480px) {
  .checkbox-group {
    grid-template-columns: repeat(2, 1fr);
  }
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
  user-select: none;
}

.checkbox-input {
  accent-color: var(--primary);
  width: 1rem;
  height: 1rem;
}

/* Footer style */
footer {
  border-top: 1px solid var(--card-border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  margin-top: 5rem;
}

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