*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
:root{
  --green:#0D9B6A;--green-dark:#0A7D55;--green-light:#E8F5EF;--green-lighter:#F0FAF5;
  --dark:#1A1F36;--white:#FFF;--gray-50:#F8FAFB;--gray-100:#EEF0F4;--gray-200:#DDE1E8;
  --gray-300:#C5CAD4;--gray-400:#9CA3B4;--gray-500:#6B7280;--gray-600:#4B5563;--gray-700:#374151;
  --blue:#2563EB;--blue-light:#EBF5FF;--blue-dark:#1E40AF;
  --purple:#7C3AED;--purple-light:#F3EEFF;
  --amber:#D97706;--amber-light:#FFF7ED;
  --red:#DC2626;--red-light:#FEF2F2;--red-dark:#991B1B;
  --font-h:'DM Serif Display',Georgia,serif;
  --font-b:'DM Sans',system-ui,sans-serif;
  --font-mono:'DM Mono','Courier New',monospace;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--r-pill:100px;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.04),0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:0 4px 16px rgba(0,0,0,0.06);
}
html{font-size:15px;scroll-behavior:smooth;}
body{
  font-family:var(--font-b);
  color:var(--gray-700);
  background:
    linear-gradient(to right, rgba(221, 225, 232, 0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(221, 225, 232, 0.20) 1px, transparent 1px),
    var(--gray-50);
  background-size: 60px 60px;
  -webkit-font-smoothing:antialiased;
}

/* ===== TOP NAV ===== */
.nav{background:var(--white);border-bottom:1px solid var(--gray-100);position:sticky;top:0;z-index:40;}
.nav-inner{max-width:100%;padding:0 28px;height:70px;display:flex;align-items:center;}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-link{font-size:0.88rem;color:var(--gray-500);text-decoration:none;font-weight:500;transition:color 0.15s;}
.nav-link:hover{color:var(--green);}
.nav-link.active{color:var(--green);font-weight:600;}

/* ===== LEFT SIDEBAR ===== */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:260px;background:var(--dark);color:var(--white);display:flex;flex-direction:column;z-index:50;overflow-y:auto;}
.sidebar-brand{padding:20px 24px 18px;border-bottom:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;gap:10px;text-decoration:none;transition:opacity 0.15s;}
.sidebar-brand:hover{opacity:0.9;}
.sidebar-brand-icon{width:32px;height:32px;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--green-dark),var(--green));display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.sidebar-brand-icon svg{width:18px;height:18px;}
.sidebar-brand-text{font-family:var(--font-h);font-size:1.4rem;color:var(--white);}
.sidebar-brand-text span{color:var(--green);}
.sidebar-nav{flex:1;padding:16px 12px;}
.sidebar-section{font-size:0.7rem;font-weight:700;color:var(--gray-400);text-transform:uppercase;letter-spacing:1.2px;padding:16px 12px 8px;margin-top:8px;}
.sidebar-section:first-child{margin-top:0;}
.sidebar-link{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--r-sm);font-size:0.9rem;font-weight:500;color:rgba(255,255,255,0.6);background:none;border:none;cursor:pointer;transition:all 0.15s;text-align:left;width:100%;}
.sidebar-link:hover{background:rgba(255,255,255,0.06);color:rgba(255,255,255,0.9);}
.sidebar-link.active{background:var(--green);color:var(--white);font-weight:600;}
.sidebar-icon{width:20px;text-align:center;font-size:1rem;}

/* ===== MAIN LAYOUT ===== */
.main{margin-left:260px;min-height:100vh;}
.layout{display:grid;grid-template-columns:1fr 420px;height:calc(100vh - 70px);}

/* ===== MIDDLE SECTION - Endpoint Details ===== */
.detail-panel{background:var(--gray-50);order:1;display:flex;flex-direction:column;overflow:hidden;height:100%;}
.endpoint-detail{display:none;flex-direction:column;height:100%;}
.endpoint-detail.active{display:flex;}
.detail-header{padding:32px 32px 28px;background:var(--white);border-bottom:1px solid var(--gray-100);flex-shrink:0;}
.detail-method-path{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.detail-method{padding:6px 14px;border-radius:6px;font-size:0.75rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0.5px;}
.detail-path{font-family:var(--font-mono);font-size:1.1rem;color:var(--dark);font-weight:600;}
.detail-desc{font-size:0.92rem;color:var(--gray-600);line-height:1.7;}
.detail-body{
  padding:28px 32px;
  overflow-y:scroll;
  flex:1;
  min-height:0;
  background:
    linear-gradient(to right, rgba(221, 225, 232, 0.20) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(221, 225, 232, 0.20) 1px, transparent 1px),
    var(--gray-50);
  background-size: 60px 60px;
}

/* ===== RIGHT SECTION - Endpoints List ===== */
.endpoints-panel{background:var(--white);border-left:1px solid var(--gray-100);overflow-y:auto;order:2;}
.api-section{display:none;}
.api-section.active{display:block;}
.endpoints-header{padding:24px 24px 20px;border-bottom:1px solid var(--gray-100);background:var(--white);position:sticky;top:0;z-index:10;}
.endpoints-title{font-family:var(--font-h);font-size:1.5rem;color:var(--dark);margin-bottom:6px;}
.endpoints-desc{font-size:0.85rem;color:var(--gray-500);line-height:1.6;}
.endpoints-list{padding:12px;}
.endpoint-item{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-md);margin-bottom:8px;padding:14px 16px;cursor:pointer;transition:all 0.15s;display:flex;align-items:center;gap:12px;}
.endpoint-item:hover{border-color:var(--green);box-shadow:var(--shadow-sm);}
.endpoint-item.active{border-color:var(--green);background:var(--green-lighter);}
.endpoint-method{padding:4px 10px;border-radius:6px;font-size:0.7rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:0.5px;flex-shrink:0;}
.method-get{background:var(--blue-light);color:var(--blue-dark);}
.method-post{background:var(--green-light);color:var(--green-dark);}
.method-put{background:var(--amber-light);color:var(--amber);}
.method-patch{background:var(--purple-light);color:var(--purple);}
.method-delete{background:var(--red-light);color:var(--red);}
.endpoint-path{font-family:var(--font-mono);font-size:0.8rem;color:var(--dark);font-weight:500;flex:1;}
.endpoint-summary{font-size:0.78rem;color:var(--gray-500);margin-top:4px;display:block;}

/* SECTION */
.section{margin-bottom:32px;}
.section-title{font-family:var(--font-h);font-size:1.2rem;color:var(--dark);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.section-title::before{content:'';width:3px;height:24px;background:var(--green);border-radius:2px;}

/* TABS */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--gray-200);margin-bottom:20px;}
.tab{padding:10px 18px;font-size:0.82rem;font-weight:600;color:var(--gray-500);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all 0.15s;}
.tab:hover{color:var(--green);}
.tab.active{color:var(--green);border-bottom-color:var(--green);}
.tab-content{display:none;}
.tab-content.active{display:block;}

/* PARAMETERS */
.params-table{width:100%;border:1px solid var(--gray-200);border-radius:var(--r-md);overflow:hidden;margin-bottom:20px;font-size:0.85rem;background:var(--white);}
.params-table thead{background:var(--gray-50);}
.params-table th{text-align:left;padding:10px 14px;font-weight:700;color:var(--dark);border-bottom:1px solid var(--gray-200);}
.params-table td{padding:10px 14px;border-bottom:1px solid var(--gray-100);vertical-align:top;}
.params-table tr:last-child td{border-bottom:none;}
.param-name{font-family:var(--font-mono);font-size:0.82rem;color:var(--dark);font-weight:600;}
.param-type{font-family:var(--font-mono);font-size:0.75rem;color:var(--blue);background:var(--blue-light);padding:2px 6px;border-radius:4px;}
.param-required{font-size:0.7rem;color:var(--red);background:var(--red-light);padding:2px 6px;border-radius:4px;margin-left:6px;}

/* CODE BLOCK */
.code-block{background:var(--dark);color:#E8E8E8;padding:16px 20px;border-radius:var(--r-md);overflow-x:auto;margin-bottom:16px;position:relative;}
.code-block pre{margin:0;font-family:var(--font-mono);font-size:0.8rem;line-height:1.6;}
.code-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,0.1);}
.code-lang{font-size:0.7rem;color:var(--gray-400);text-transform:uppercase;font-weight:700;letter-spacing:0.5px;}
.code-copy{padding:4px 10px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:6px;font-size:0.7rem;color:white;cursor:pointer;font-weight:600;transition:background 0.15s;}
.code-copy:hover{background:rgba(255,255,255,0.2);}

/* RESPONSE */
.response{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--r-md);padding:16px;margin-bottom:16px;}
.response-status{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;font-size:0.75rem;font-weight:700;margin-bottom:10px;}
.status-200{background:var(--green-light);color:var(--green-dark);}
.status-201{background:var(--green-light);color:var(--green-dark);}
.status-400{background:var(--amber-light);color:var(--amber);}
.status-401{background:var(--red-light);color:var(--red);}
.status-404{background:var(--red-light);color:var(--red);}
.response-desc{font-size:0.85rem;color:var(--gray-600);margin-bottom:12px;}

/* CALLOUT */
.callout{background:var(--blue-light);border-left:3px solid var(--blue);border-radius:0 var(--r-md) var(--r-md) 0;padding:14px 18px;margin:16px 0;font-size:0.85rem;color:var(--blue-dark);}

/* FOOTER */
.detail-footer{margin-top:48px;padding-top:24px;border-top:1px solid var(--gray-200);text-align:center;color:var(--gray-400);font-size:0.78rem;}
.detail-footer-links{display:flex;justify-content:center;gap:16px;margin-bottom:12px;}
.detail-footer-link{color:var(--gray-500);text-decoration:none;font-weight:500;transition:color 0.15s;}
.detail-footer-link:hover{color:var(--green);}
.detail-footer-copy{color:var(--gray-400);}

/* RESPONSIVE */
@media(max-width:1024px){
  .sidebar{width:0;overflow:hidden;}
  .main{margin-left:0;}
  .layout{grid-template-columns:1fr;}
  .endpoints-panel{border-left:none;}
}
@media(max-width:768px){
  .layout{grid-template-columns:1fr;height:auto;}
  .endpoints-panel,.detail-panel{height:auto;}
}