/* ===== Interruttore tema chiaro/scuro — TubeSpyAI app ===== */
html{color-scheme:dark;}
html[data-theme="light"]{color-scheme:light;}
.theme-toggle{position:relative;flex:none;width:58px;height:30px;padding:0;border-radius:99px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);cursor:pointer;color:#9a98b3;transition:background .25s,border-color .25s,box-shadow .25s;-webkit-tap-highlight-color:transparent;}
.theme-toggle:hover{border-color:rgba(255,80,80,.55);}
.theme-toggle:focus-visible{outline:2px solid #ff4444;outline-offset:3px;}
.tt-icons{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 8px;pointer-events:none;}
.tt-i{display:flex;opacity:.55;}
.tt-knob{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;transition:transform .35s cubic-bezier(.2,.9,.3,1.2),background .3s,box-shadow .3s;pointer-events:none;}
.tt-k{position:absolute;display:flex;transition:opacity .25s,transform .35s;}
.tt-k svg{width:13px;height:13px;}
html:not([data-theme="light"]) .tt-knob{transform:translateX(28px);background:linear-gradient(135deg,#ff3b3b,#c40000);box-shadow:0 0 12px rgba(255,40,40,.45);}
html:not([data-theme="light"]) .tt-k-sun{opacity:0;transform:rotate(-90deg) scale(.5);}
html[data-theme="light"] .tt-knob{transform:translateX(0);background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 2px 10px rgba(245,158,11,.45);}
html[data-theme="light"] .tt-k-moon{opacity:0;transform:rotate(90deg) scale(.5);}
html[data-theme="light"] .theme-toggle{background:rgba(15,23,42,.06)!important;border-color:rgba(30,20,70,.16)!important;color:#544f6e;}
.theme-toggle--nav{margin-right:10px;}
.theme-toggle--float{position:fixed;top:14px;right:16px;z-index:9999;}
html.theme-anim body,html.theme-anim nav,html.theme-anim section,html.theme-anim footer,html.theme-anim div{transition:background-color .3s ease,color .3s ease,border-color .3s ease;}
@media(max-width:640px){.theme-toggle--nav{margin-right:6px;}}
@media(max-width:640px){.theme-toggle{width:46px;height:26px;}.tt-knob{width:18px;height:18px;top:3px;left:3px;}html:not([data-theme="light"]) .tt-knob{transform:translateX(20px);}.tt-i svg{width:11px;height:11px;}.tt-k svg{width:11px;height:11px;}}
@media(max-width:768px){nav .theme-toggle--nav{display:none!important;}}
.theme-drawer-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;font-size:.85rem;color:inherit;opacity:.9;}