/* DevUtils - Modern Developer Toolbox */
:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #141416;
  --bg-tertiary: #1a1a1e;
  --bg-card: #18181b;
  --bg-hover: #27272a;
  --border: #27272a;
  --border-light: #3f3f46;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: #60a5fa;
  --success: #22c55e;
  --warning: #eab308;
  --error: #ef4444;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.3);
  --transition: 0.15s ease;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}
a{color:var(--accent-light);text-decoration:none}
a:hover{text-decoration:underline}

.navbar{position:sticky;top:0;z-index:100;background:rgba(10,10,11,0.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 1.5rem}
.navbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px}
.navbar-brand{display:flex;align-items:center;gap:0.5rem;font-size:1.2rem;font-weight:700;color:var(--text-primary);text-decoration:none}
.navbar-brand:hover{text-decoration:none}
.navbar-links{display:flex;gap:0.25rem;list-style:none;overflow-x:auto;max-width:75%}
.navbar-links a{padding:0.4rem 0.75rem;border-radius:var(--radius);color:var(--text-secondary);font-size:0.85rem;white-space:nowrap;transition:all var(--transition);text-decoration:none}
.navbar-links a:hover,.navbar-links a.active{background:var(--bg-hover);color:var(--text-primary);text-decoration:none}
.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:0.5rem}
@media(max-width:768px){
  .menu-toggle{display:block}
  .navbar-links{display:none;position:absolute;top:56px;left:0;right:0;background:var(--bg-secondary);flex-direction:column;padding:0.5rem;border-bottom:1px solid var(--border);max-width:100%}
  .navbar-links.open{display:flex}
  .navbar-links a{padding:0.6rem 1rem}
}

.container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}
.page-header{text-align:center;margin-bottom:3rem}
.page-header h1{font-size:2.5rem;font-weight:800;margin-bottom:0.5rem;background:linear-gradient(135deg,var(--text-primary),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-header p{color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:0 auto}
.tool-header{margin-bottom:2rem}
.tool-header h1{font-size:1.8rem;font-weight:700;margin-bottom:0.3rem}
.tool-header p{color:var(--text-secondary);font-size:0.95rem}

.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition);cursor:pointer;display:flex;flex-direction:column;gap:0.75rem}
.tool-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 25px rgba(59,130,246,0.1)}
.tool-card-icon{width:40px;height:40px;border-radius:var(--radius);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.tool-card h3{font-size:1rem;font-weight:600}
.tool-card p{color:var(--text-secondary);font-size:0.85rem;line-height:1.5}

.tool-area{display:flex;gap:1.5rem;min-height:400px}
@media(max-width:768px){.tool-area{flex-direction:column}}
.tool-panel{flex:1;display:flex;flex-direction:column;gap:0.75rem}
.tool-panel-header{display:flex;align-items:center;justify-content:space-between}
.tool-panel-header label{font-size:0.85rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.05em}

textarea,input[type="text"],input[type="number"]{width:100%;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:0.75rem 1rem;color:var(--text-primary);font-family:'SF Mono','Fira Code','Cascadia Code',monospace;font-size:0.9rem;resize:vertical;transition:border-color var(--transition)}
textarea:focus,input[type="text"]:focus,input[type="number"]:focus{outline:none;border-color:var(--accent)}
textarea{min-height:250px;flex:1}

.btn{display:inline-flex;align-items:center;gap:0.4rem;padding:0.5rem 1rem;border-radius:var(--radius);font-size:0.85rem;font-weight:500;cursor:pointer;border:none;transition:all var(--transition)}
.btn-primary{background:var(--accent);color:white}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-light)}
.btn-sm{padding:0.35rem 0.75rem;font-size:0.8rem}
.btn-group{display:flex;gap:0.5rem;flex-wrap:wrap}

.output-area{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:0.75rem 1rem;font-family:'SF Mono','Fira Code','Cascadia Code',monospace;font-size:0.9rem;min-height:250px;flex:1;overflow:auto;white-space:pre-wrap;word-break:break-all}
.output-area.success{border-color:var(--success)}
.output-area.error{border-color:var(--error)}

.badge{display:inline-block;padding:0.2rem 0.6rem;border-radius:999px;font-size:0.75rem;font-weight:500}
.badge-success{background:rgba(34,197,94,0.15);color:var(--success)}
.badge-error{background:rgba(239,68,68,0.15);color:var(--error)}
.badge-info{background:rgba(59,130,246,0.15);color:var(--accent-light)}

.options-panel{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;padding:0.75rem 1rem;background:var(--bg-tertiary);border-radius:var(--radius);border:1px solid var(--border)}
.options-panel label{display:flex;align-items:center;gap:0.4rem;font-size:0.85rem;color:var(--text-secondary);cursor:pointer}
.options-panel select{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:0.3rem 0.5rem;color:var(--text-primary);font-size:0.85rem}

.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:1000;display:flex;flex-direction:column;gap:0.5rem}
.toast{padding:0.75rem 1.25rem;border-radius:var(--radius);font-size:0.85rem;animation:slideIn 0.3s ease;box-shadow:var(--shadow)}
.toast-success{background:var(--success);color:white}
.toast-error{background:var(--error);color:white}
.toast-info{background:var(--accent);color:white}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

.footer{text-align:center;padding:2rem 1.5rem;color:var(--text-muted);font-size:0.85rem;border-top:1px solid var(--border);margin-top:3rem}
.footer a{color:var(--text-secondary)}
.search-box{max-width:500px;margin:0 auto 2rem;position:relative}
.search-box input{width:100%;padding:0.75rem 1rem 0.75rem 2.5rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:999px;font-size:0.95rem;color:var(--text-primary)}
.search-box input:focus{outline:none;border-color:var(--accent)}
.search-box svg{position:absolute;left:0.85rem;top:50%;transform:translateY(-50%);color:var(--text-muted);width:18px;height:18px}

.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-top:3rem}
.feature-item{text-align:center;padding:1.5rem}
.feature-item .icon{font-size:2rem;margin-bottom:0.75rem}
.feature-item h3{font-size:1rem;margin-bottom:0.5rem}
.feature-item p{color:var(--text-secondary);font-size:0.85rem}

::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg-secondary)}
::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--border-light)}

input[type="color"]{-webkit-appearance:none;border:1px solid var(--border);border-radius:var(--radius);width:60px;height:40px;cursor:pointer;background:transparent}
input[type="color"]::-webkit-color-swatch-wrapper{padding:2px}
input[type="color"]::-webkit-color-swatch{border-radius:4px;border:none}