:root{--bg:#0a0a0a;--bg-card:#141414;--bg-hover:#1a1a1a;--border:#262626;--text:#e5e5e5;--text-dim:#a3a3a3;--primary:#059669;--primary-hover:#10b981;--primary-bg:rgba(5,150,105,.1);--radius:12px;--shadow:0 2px 8px rgba(0,0,0,.3)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--primary);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.header{border-bottom:1px solid var(--border);padding:16px 0;background:var(--bg)}
.header .container{display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--text)}
.nav{display:flex;gap:16px}
.nav-link{color:var(--text-dim);font-size:.9rem;transition:color .2s}
.nav-link:hover{color:var(--primary)}
.main{flex:1;padding:40px 0}
.hero{text-align:center;margin-bottom:48px}
.hero h1{font-size:2.5rem;margin-bottom:12px;background:linear-gradient(135deg,var(--primary),var(--primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--text-dim);font-size:1.1rem;max-width:600px;margin:0 auto}
.category{margin-bottom:40px}
.category h2{font-size:1.4rem;margin-bottom:4px}
.category-desc{color:var(--text-dim);font-size:.9rem;margin-bottom:20px}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .2s;display:block;color:var(--text)}
.tool-card:hover{border-color:var(--primary);background:var(--bg-hover);transform:translateY(-2px);box-shadow:var(--shadow)}
.tool-icon{width:44px;height:44px;background:var(--primary-bg);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;color:var(--primary)}
.tool-card h3{font-size:1rem;margin-bottom:6px}
.tool-card p{color:var(--text-dim);font-size:.85rem;line-height:1.4}
.tool-header{margin-bottom:24px}
.back-link{color:var(--text-dim);font-size:.9rem;display:inline-block;margin-bottom:12px;transition:color .2s}
.back-link:hover{color:var(--primary)}
.tool-header h1{font-size:1.8rem;margin-bottom:8px}
.tool-header p{color:var(--text-dim)}
.tool-container{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.tool-content{padding:24px;min-height:400px}
.btn{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;font-size:.85rem;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-sm{padding:5px 10px;font-size:.8rem}
.btn-lg{padding:12px 28px;font-size:1rem}
.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626}
.btn-danger:hover{background:#ef4444;border-color:#ef4444}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.85rem;color:var(--text-dim);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.9rem;outline:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}
.toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}
.toolbar .btn{padding:6px 10px}
.toolbar .separator{width:1px;background:var(--border);margin:0 4px}
.action-bar{display:flex;justify-content:center;padding:16px;gap:10px;flex-wrap:wrap}
.result-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-top:16px;font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.85rem;white-space:pre-wrap;word-break:break-all;position:relative;max-height:400px;overflow:auto}
.code-textarea{width:100%;min-height:250px;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.9rem;resize:vertical;outline:none;line-height:1.5}
.code-textarea:focus{border-color:var(--primary)}
.single-panel{padding:24px}
.status-bar{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-size:.8rem;color:var(--text-dim);margin-top:8px}
.toast{position:fixed;bottom:24px;right:24px;background:var(--primary);color:#fff;padding:12px 20px;border-radius:8px;font-weight:600;font-size:.9rem;opacity:0;transform:translateY(12px);transition:all .3s;z-index:100;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}

/* Request / Response panels */
.request-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.request-panel h3,.response-panel h3{font-size:.95rem;margin-bottom:12px;color:var(--text-dim)}
.response-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:16px}

/* Method select */
.method-select{padding:10px 14px;background:var(--primary);color:#fff;border:1px solid var(--primary);border-radius:8px 0 0 8px;font-size:.9rem;font-weight:700;outline:none;cursor:pointer;min-width:110px;-webkit-appearance:none;appearance:none}
.method-select option{background:var(--bg);color:var(--text)}

/* URL input */
.url-input{flex:1;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-left:none;border-radius:0;color:var(--text);font-size:.9rem;outline:none;font-family:'SF Mono',Monaco,Consolas,monospace}
.url-input:focus{border-color:var(--primary)}
.url-bar{display:flex;margin-bottom:16px}
.url-bar .btn{border-radius:0 8px 8px 0;padding:10px 20px;font-weight:600}

/* Headers list */
.headers-list{margin-top:8px}
.key-value-row{display:flex;gap:8px;margin-bottom:8px;align-items:center}
.key-value-row input{flex:1;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.85rem;outline:none}
.key-value-row input:focus{border-color:var(--primary)}
.key-value-row .btn-remove{padding:6px 10px;background:transparent;border:1px solid var(--border);border-radius:8px;color:#ef4444;cursor:pointer;font-size:.85rem;transition:all .2s}
.key-value-row .btn-remove:hover{background:rgba(239,68,68,.1);border-color:#ef4444}

/* Body editor */
.body-editor{width:100%;min-height:120px;padding:12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.85rem;resize:vertical;outline:none;line-height:1.5}
.body-editor:focus{border-color:var(--primary)}

/* Response body */
.response-body{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.85rem;white-space:pre-wrap;word-break:break-all;max-height:500px;overflow:auto;line-height:1.5;color:var(--text)}

/* Status badge */
.status-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-weight:700;font-size:.85rem;font-family:'SF Mono',Monaco,Consolas,monospace}
.status-success{background:rgba(5,150,105,.15);color:#10b981;border:1px solid rgba(5,150,105,.3)}
.status-redirect{background:rgba(234,179,8,.15);color:#eab308;border:1px solid rgba(234,179,8,.3)}
.status-error{background:rgba(239,68,68,.15);color:#ef4444;border:1px solid rgba(239,68,68,.3)}
.status-info{background:rgba(59,130,246,.15);color:#3b82f6;border:1px solid rgba(59,130,246,.3)}

/* Tabs */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:16px}
.tab{padding:10px 20px;font-size:.9rem;color:var(--text-dim);cursor:pointer;border:none;background:transparent;transition:all .2s;border-bottom:2px solid transparent;margin-bottom:-2px;font-weight:500}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* JSON tree view */
.json-tree{font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.85rem;line-height:1.6;padding:12px}
.json-tree .key{color:#10b981}
.json-tree .string{color:#f59e0b}
.json-tree .number{color:#3b82f6}
.json-tree .boolean{color:#ec4899}
.json-tree .null{color:#6b7280}
.json-tree .bracket{color:var(--text-dim)}
.json-tree .toggle{cursor:pointer;user-select:none;color:var(--text-dim);margin-right:4px;display:inline-block;width:14px;text-align:center;transition:transform .15s}
.json-tree .toggle.collapsed{transform:rotate(-90deg)}
.json-tree .collapsible{margin-left:20px}
.json-tree .collapsible.hidden{display:none}
.json-tree .comma{color:var(--text-dim)}
.json-tree .line{padding:1px 0}

/* Code block */
.code-block{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.85rem;white-space:pre-wrap;word-break:break-all;position:relative;overflow:auto;line-height:1.5;color:var(--text)}
.code-block .copy-btn{position:absolute;top:8px;right:8px;padding:4px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);cursor:pointer;font-size:.75rem;transition:all .2s}
.code-block .copy-btn:hover{border-color:var(--primary);color:var(--primary)}

/* Dual panel layout */
.dual-panel{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.panel-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--bg-card)}
.panel-header span{font-size:.85rem;font-weight:600;color:var(--text-dim)}
.panel-header .panel-actions{display:flex;gap:6px}

/* Search input */
.search-input{width:100%;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:.95rem;outline:none;margin-bottom:16px}
.search-input:focus{border-color:var(--primary)}
.search-input::placeholder{color:var(--text-dim)}

/* Reference cards */
.ref-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:10px;transition:border-color .2s}
.ref-card:hover{border-color:var(--primary)}
.ref-card .ref-name{font-weight:700;color:var(--primary);font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.9rem;margin-bottom:4px}
.ref-card .ref-desc{color:var(--text-dim);font-size:.85rem;margin-bottom:6px;line-height:1.4}
.ref-card .ref-example{font-family:'SF Mono',Monaco,Consolas,monospace;font-size:.8rem;background:var(--bg-card);padding:6px 10px;border-radius:6px;color:var(--text);display:inline-block}

/* Category filter tabs */
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.filter-tab{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;font-size:.8rem;transition:all .2s}
.filter-tab:hover{border-color:var(--primary);color:var(--primary)}
.filter-tab.active{background:var(--primary-bg);border-color:var(--primary);color:var(--primary);font-weight:600}

/* Inline form */
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-form input,.inline-form select{padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.85rem;outline:none}
.inline-form input:focus,.inline-form select:focus{border-color:var(--primary)}

/* Section headings inside tools */
.section-title{font-size:1rem;font-weight:600;margin:20px 0 10px;color:var(--text);padding-bottom:6px;border-bottom:1px solid var(--border)}
.section-title:first-child{margin-top:0}

/* Checkbox and toggle */
.checkbox-group{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.checkbox-label{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:.85rem;color:var(--text-dim)}
.checkbox-label input[type="checkbox"]{accent-color:var(--primary);width:16px;height:16px}

/* Highlight matches */
.highlight{background:rgba(5,150,105,.25);padding:1px 2px;border-radius:3px;color:var(--primary-hover)}

/* Response meta */
.response-meta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.response-time{font-size:.85rem;color:var(--text-dim);font-family:'SF Mono',Monaco,Consolas,monospace}

/* JWT sections */
.jwt-section{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:12px}
.jwt-section h4{font-size:.9rem;color:var(--primary);margin-bottom:8px;font-weight:600}
.jwt-claim{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--border);font-size:.85rem}
.jwt-claim:last-child{border-bottom:none}
.jwt-claim .claim-key{color:var(--primary);font-family:'SF Mono',Monaco,Consolas,monospace;font-weight:600}
.jwt-claim .claim-value{color:var(--text);font-family:'SF Mono',Monaco,Consolas,monospace;max-width:60%;text-align:right;word-break:break-all}
.jwt-claim .claim-desc{color:var(--text-dim);font-size:.75rem;font-style:italic}

/* Drag and drop */
.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;text-align:center;color:var(--text-dim);cursor:pointer;transition:all .2s}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:var(--primary-bg);color:var(--primary)}

/* Grid helpers */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}

/* Count input */
.count-input{width:80px;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.9rem;outline:none;text-align:center}
.count-input:focus{border-color:var(--primary)}

/* Expiration badge */
.exp-valid{color:#10b981;font-weight:600}
.exp-expired{color:#ef4444;font-weight:600}

/* Content type select */
.content-type-select{padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.85rem;outline:none;min-width:180px}
.content-type-select:focus{border-color:var(--primary)}

/* Loading spinner */
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Footer */
.footer{border-top:1px solid var(--border);padding:20px 0;text-align:center;color:var(--text-dim);font-size:.85rem}
.footer-info{margin-bottom:12px;line-height:1.8}
.footer-info strong{color:var(--text)}
.footer-info a{color:var(--primary)}
.footer-social{margin-bottom:10px}
.footer-social a{color:var(--text-dim);margin:0 6px;transition:color .2s}
.footer-social a:hover{color:var(--primary)}
.footer-tech{font-size:.75rem;color:#475569;margin-bottom:10px}
.footer-links{margin-top:8px;font-size:.8rem}
.footer-links a{color:var(--text-dim);margin:0 6px}
.footer-links a:hover{color:var(--primary)}

/* Responsive */
@media(max-width:768px){
.hero h1{font-size:1.8rem}
.tools-grid{grid-template-columns:1fr}
.nav{gap:8px}.nav-link{font-size:.8rem}
.header .container{flex-wrap:wrap;gap:10px}
.toolbar{padding:8px}
.action-bar{flex-direction:column;align-items:stretch}
.action-bar .btn{justify-content:center}
.dual-panel{grid-template-columns:1fr}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.url-bar{flex-direction:column}
.method-select{border-radius:8px;width:100%}
.url-input{border-left:1px solid var(--border);border-radius:8px}
.url-bar .btn{border-radius:8px}
.key-value-row{flex-wrap:wrap}
.jwt-claim{flex-direction:column;gap:4px}
.jwt-claim .claim-value{max-width:100%;text-align:left}
.response-meta{flex-direction:column;gap:8px}
.filter-tabs{gap:4px}
.inline-form{flex-direction:column;align-items:stretch}
}