@import url('dark-theme.css');
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(16,42,67,.98);border-bottom:1px solid #244A68;backdrop-filter:blur(12px)}
body{padding-top:76px}
.brand,.brand:hover{color:#fff}.brand-name{color:#fff}.brand-tagline{color:#B9D0E0}.brand-mark:before{background:#fff}.brand-mark:after{border-color:#fff;border-bottom:0}.brand-mark i{background:var(--blue)}.brand-mark i:nth-child(1):after,.brand-mark i:nth-child(2):after{background:var(--blue)}
nav>a{color:#D9EEFF}nav>a:hover{color:#fff}.tools-menu summary{color:#D9EEFF}.tools-menu summary:after{color:#4DA9E8}.tools-menu[open] summary{color:#fff}
.menu-panel{position:absolute;right:0;top:44px;width:520px;padding:18px;background:#091925;border:1px solid #1b3b52;border-radius:12px;box-shadow:0 20px 55px rgba(0,0,0,.45);display:grid;grid-template-columns:1fr 1fr;gap:18px}.menu-group strong{display:block;color:var(--blue);font-size:10px;text-transform:uppercase;letter-spacing:1.4px;margin-bottom:8px}.menu-group a{display:block;padding:6px 0;color:#b0c1ce;font-size:13px;font-weight:650;text-decoration:none}.menu-group a:hover,.menu-group a.active{color:#fff}
.tool-page{padding:55px 0 90px;min-height:calc(100vh - 76px);background:#07131f}.tool-page-header{margin-bottom:25px}.tool-page-header h1{color:var(--text);font-size:42px;line-height:1.05;letter-spacing:-1.8px;margin:8px 0}.tool-page-header p{color:var(--muted);max-width:700px;margin:0}.back-link{display:inline-block;color:var(--blue);font-size:13px;font-weight:750;text-decoration:none;margin-bottom:8px}.tool-workspace{background:linear-gradient(145deg,#0b1927,#081520);border:1px solid #19354b;border-radius:14px;padding:28px;box-shadow:var(--shadow);max-width:900px}.tool-workspace h2{color:var(--text);margin-top:0}.tool-workspace .result-box{margin-top:20px}
@media(max-width:760px){body{padding-top:68px}.tools-menu .menu-panel{position:fixed;left:14px;right:14px;top:68px;width:auto;grid-template-columns:1fr;padding:16px;max-height:calc(100vh - 85px);overflow:auto}.tool-page{padding:35px 0 65px}.tool-page-header h1{font-size:34px}.tool-workspace{padding:20px}}