:root{--bg:#0b1020;--fg:#e9eefc;--card:#141b34;--card-border:#2b3769;--input-bg:#0f1630;--input-border:#3c4a87;--btn:#5b8cff;--alert:#3a1f26;--alert-border:#8b2f44;--nav:#101735;--nav-link:#cfe0ff}
:root[data-theme='soft-light']{--bg:#f5f7fb;--fg:#14213d;--card:#ffffff;--card-border:#dbe3f2;--input-bg:#ffffff;--input-border:#b7c5e0;--btn:#3b82f6;--alert:#fff0f0;--alert-border:#e9b3b3;--nav:#ffffff;--nav-link:#14213d}
:root[data-theme='high-contrast']{--bg:#000000;--fg:#ffffff;--card:#0a0a0a;--card-border:#ffffff;--input-bg:#000000;--input-border:#ffffff;--btn:#ffd400;--alert:#240000;--alert-border:#ff5a5a;--nav:#000000;--nav-link:#ffffff}
body{font-family:system-ui;background:var(--bg);color:var(--fg)}.box{max-width:980px;margin:24px auto;padding:0 12px 70px}.card{background:var(--card);border:1px solid var(--card-border);border-radius:12px;padding:12px;margin:12px 0}.card.alert{background:var(--alert);border-color:var(--alert-border)}.ok{background:#1f7a41;padding:8px;border-radius:8px}label{display:flex;flex-direction:column;margin:.4rem 0}input,select,button,textarea{padding:.55rem;border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--fg)}button{background:var(--btn);border:0;cursor:pointer}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem}.span2{grid-column:span 2}.span3{grid-column:span 3}table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}td,th{padding:.45rem;border-bottom:1px solid var(--card-border);text-align:left;white-space:nowrap}.inline{display:inline-block;margin-right:.3rem}
.mobile-nav{display:none}
@media (max-width: 760px){.grid2,.grid3{grid-template-columns:1fr}.span2,.span3{grid-column:span 1}button{width:100%}.box{padding:0 8px 80px;margin:12px auto}.mobile-nav{display:flex;position:fixed;left:0;right:0;bottom:0;background:var(--nav);border-top:1px solid var(--card-border);justify-content:space-around;padding:8px}.mobile-nav a{color:var(--nav-link);text-decoration:none;font-size:.9rem}}