:root{
  --bg:#080d19;--panel:#11192b;--panel2:#172238;--panel3:#0d1525;--text:#eef3ff;--muted:#94a4c2;
  --accent:#735cff;--accent2:#9586ff;--green:#28cf9a;--red:#ff637b;--amber:#ffbf5c;--border:#263552;
  --shadow:0 14px 38px rgba(0,0,0,.20)
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:radial-gradient(circle at 80% -10%,#182343 0,#080d19 42%,#070b14 100%);color:var(--text);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;min-height:100vh}
a{color:inherit} .muted{color:var(--muted)}
.layout{display:flex;min-height:100vh}
.sidebar{width:286px;flex:0 0 286px;padding:18px 15px;background:linear-gradient(180deg,#0d1527,#0a101e);border-right:1px solid #1e2a42;display:flex;flex-direction:column;gap:15px;position:sticky;top:0;height:100vh;z-index:5}
.brand{display:grid;grid-template-columns:auto auto 1fr;align-items:baseline;padding:5px 8px 10px;text-decoration:none;font-size:25px;color:#fff}.brand span{color:var(--accent2);margin-left:5px}.brand small{grid-column:1/-1;color:#7182a1;font-size:10px;letter-spacing:.15em;text-transform:uppercase;margin-top:3px}
.sidebar-cards{display:grid!important;grid-template-columns:1fr!important;gap:10px!important;overflow-y:auto;padding:2px 2px 4px!important}
.sidebar-cards .nav-card,.logout-card{display:flex!important;align-items:center!important;gap:12px!important;width:100%!important;padding:12px!important;margin:0!important;background:linear-gradient(145deg,#121c30,#101827)!important;border:1px solid #263654!important;border-radius:15px!important;box-shadow:0 7px 18px rgba(0,0,0,.18)!important;text-decoration:none!important;color:#d9e2f5!important;transition:.16s ease!important}
.sidebar-cards .nav-card:hover,.sidebar-cards .nav-card.active{transform:translateY(-1px);background:linear-gradient(145deg,#1a2540,#151d32)!important;border-color:#6c59e8!important;box-shadow:0 9px 24px rgba(0,0,0,.25)!important}
.nav-icon{width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;background:#202d49;border:1px solid #2d3e61;color:#d8d1ff;font-size:18px}.nav-card.active .nav-icon{background:linear-gradient(145deg,var(--accent),#5944d1);border-color:#8b7cff;color:#fff}.nav-copy{display:grid;min-width:0}.nav-copy b{font-size:13px;color:#f7f9ff}.nav-copy small{font-size:10.5px;color:#8394b5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.logout-card{margin-top:auto!important;background:linear-gradient(145deg,#311725,#24121e)!important;border-color:#55263a!important;color:#ffb1be!important}.logout-card .nav-icon{background:#421b2b;border-color:#63253b;color:#ff9caf}
.main{flex:1;min-width:0;padding:26px;max-width:1600px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.top h1{margin:0;font-size:28px;letter-spacing:-.03em}.top small{color:var(--muted)}.user{background:#111b2f;border:1px solid var(--border);padding:8px 12px;border-radius:999px;color:#dce5f8}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:linear-gradient(145deg,#111a2d,#101827);border:1px solid var(--border);border-radius:17px;padding:18px;margin-bottom:16px;box-shadow:var(--shadow)}.card h2,.card h3{margin-top:0}.metric strong{display:block;font-size:30px;margin-top:8px}.metric small{display:block;color:#7385a7;margin-top:4px}.accent-metric{border-color:#5141b2;background:linear-gradient(145deg,#171d36,#201d49)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.full{grid-column:1/-1}label{display:block;color:#cbd5e9;font-weight:650;margin-bottom:6px}input,select,textarea{width:100%;background:#0b1323;border:1px solid #2a3958;color:#fff;padding:11px 12px;border-radius:11px;outline:none}input::placeholder,textarea::placeholder{color:#677795}input:focus,select:focus,textarea:focus{border-color:#7967ee;box-shadow:0 0 0 3px rgba(115,92,255,.12)}
button,.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:10px 14px;background:linear-gradient(145deg,#806cff,#6550df);color:white;text-decoration:none;cursor:pointer;font-weight:750;font:inherit}button:hover,.btn:hover{filter:brightness(1.06)}.btn.secondary{background:#23314d;border-color:#334566}.btn.danger{background:#84263e;border-color:#a43853}.btn.green{background:#167a62;border-color:#22977a}
.alert{padding:12px 14px;border-radius:12px;margin-bottom:16px;background:#173a31;border:1px solid #24624f}.alert.error{background:#431d29;border-color:#743043}.alert.success{background:#173a31;border-color:#24624f}.alert.info{background:#172845;border-color:#2c4979}.alert a{color:#fff;font-weight:700}.auto-detect-notice{display:flex;align-items:center;justify-content:space-between;gap:12px}.auto-detect-notice[hidden]{display:none}
.title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.title-row h2{margin:0;font-size:19px}.title-row p{margin:4px 0 0}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#d5def1;word-break:break-all}
.badge,.pill{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#23314d;border:1px solid #334566;color:#d2ddf1;font-size:11px;font-weight:750;white-space:nowrap}.badge.active{background:#16483b;border-color:#236b57;color:#7ff2cc}.badge.inactive{background:#4a2630;border-color:#693342;color:#ffadbb}
.form-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:16px}.form-actions form{margin:0}.form-hint{font-size:12px}.section-title{margin:24px 0 12px}.section-title h2,.section-title p{margin-top:0;margin-bottom:3px}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:16px}.mini-card{display:grid;gap:5px;background:#0f182a;border:1px solid var(--border);border-radius:14px;padding:15px}.mini-card strong{color:#f3f6ff}.mini-card span{color:var(--muted);font-size:13px}
.pill{padding:6px 10px}.eyebrow{display:block;color:#8fa0c0;font-size:10px;text-transform:uppercase;letter-spacing:.09em;margin-bottom:4px}.status-live{display:inline-flex;align-items:center;gap:7px;border:1px solid #246451;background:#153c33;color:#82efcf;border-radius:999px;padding:7px 10px;font-size:11px;font-weight:750}.status-live i{width:7px;height:7px;border-radius:50%;background:#45e0af;box-shadow:0 0 0 4px rgba(69,224,175,.10)}
.client-register-card{border-color:#413a86;background:linear-gradient(135deg,#151e36,#17172e)}.client-tools.compact-card,.compact-card{padding:15px}.client-grid,.playlist-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:18px}.client-card,.playlist-card{min-width:0;background:linear-gradient(145deg,#111a2d,#0f1727);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 12px 28px rgba(0,0,0,.14)}.client-card.waiting{border-color:#725b2c;background:linear-gradient(145deg,#171a2e,#261f24)}.client-card:target{outline:2px solid var(--accent)}.client-card-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.client-card-head h3{margin:2px 0 10px;font-size:16px}.client-meta{display:grid;grid-template-columns:90px 1fr;gap:8px;margin:10px 0}.client-meta>div{background:#0b1323;border:1px solid #202f4b;border-radius:11px;padding:9px;min-width:0}.client-meta small{display:block;color:#7f90b1;font-size:10px;text-transform:uppercase}.client-meta strong{display:block;margin-top:3px;font-size:12px;overflow:hidden;text-overflow:ellipsis}.url-preview,.empty-inline{background:#0a1221;border:1px solid #202f4b;padding:9px;border-radius:10px;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:12px}.empty-inline{color:#a99c79;border-style:dashed}.client-actions{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-top:13px}.client-actions form{margin:0}.client-actions .btn,.client-actions button{font-size:12px;padding:8px 10px}.playlist-card form{margin-top:12px}.playlist-card input{font-size:11px}.playlist-details{display:grid;gap:5px;color:#7f90b1;font-size:11px;margin:9px 0 12px}.playlist-details b{color:#cdd6ec;font-weight:500;word-break:break-all}
.search-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.search-row>div{min-width:0}.copy-row{display:grid;grid-template-columns:1fr auto;gap:8px}.recent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.recent-card{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;align-items:center;padding:12px;background:#0e1728;border:1px solid #22314e;border-radius:12px;color:inherit;text-decoration:none}.recent-card:hover{border-color:#4d58a1;background:#121d32}.recent-card .badge{grid-row:1/3}.recent-card small{color:var(--muted)}
/* DNS: sempre um registro por card, em pilha vertical */
.dns-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px}.dns-toolbar h2{margin:0}.dns-toolbar p{margin:4px 0 0}.dns-form-hidden{display:none}.dns-editor{border-color:#433c82}.dns-stack{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:16px}.dns-item-card{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;background:linear-gradient(145deg,#111b2e,#0d1626);border:1px solid #2b3a59;border-radius:16px;padding:16px 17px;box-shadow:0 10px 28px rgba(0,0,0,.15)}.dns-item-main{display:flex;align-items:center;gap:14px;min-width:0;flex:1}.dns-index{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;border-radius:12px;background:#202e4a;border:1px solid #314564;color:#aaa0ff;font-weight:800}.dns-item-copy{min-width:0;flex:1}.dns-name-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.dns-name-row h3{margin:0;font-size:17px}.dns-url{margin-top:7px;background:#091220;border:1px solid #233451;border-radius:9px;padding:9px 11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dns-card-actions{display:flex;gap:8px;flex-wrap:wrap;flex:0 0 auto}.dns-card-actions form{margin:0}.dns-empty{text-align:center;padding:30px}.dns-empty p{margin-bottom:0}.dns-note{margin:0 0 16px}.utility-details{padding:0;overflow:hidden}.utility-details summary{cursor:pointer;padding:16px 18px;font-weight:750}.utility-details>p,.utility-details>form{margin-left:18px;margin-right:18px}.utility-details>form{margin-bottom:18px}
/* Página pública */
.public-config-card{border-color:#3e4a7d}.public-body{min-height:100vh;background:radial-gradient(circle at 50% 0,#1b2c50,#0b1020 55%,#080d18)}.public-shell{max-width:1050px;margin:0 auto;padding:34px 18px 60px}.public-brand{font-size:29px;margin-bottom:22px}.public-brand span{color:var(--accent2);margin-left:6px}.public-brand small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:4px}.public-create-card{border-color:#4c438f;background:linear-gradient(135deg,#151f39,#171731)}.public-client-head{border-color:#315b68}.public-playlists{grid-template-columns:repeat(2,minmax(0,1fr))}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--border);vertical-align:top}th{color:#aebddb;font-size:12px;text-transform:uppercase}
@media(max-width:1180px){.client-grid,.playlist-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{width:250px;flex-basis:250px}.nav-copy small{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:780px){.layout{display:block}.sidebar{width:auto;height:auto;position:relative;flex-basis:auto;border-right:0;border-bottom:1px solid var(--border)}.sidebar-cards{grid-template-columns:repeat(2,minmax(0,1fr))!important}.logout-card{margin-top:0!important}.nav-copy small{display:block}.main{padding:16px;max-width:none}.top{align-items:flex-start}.user{display:none}.grid,.grid-3,.two,.form-grid,.info-grid,.client-grid,.playlist-grid,.recent-grid,.public-playlists{grid-template-columns:1fr}.search-row,.copy-row{grid-template-columns:1fr}.dns-toolbar{align-items:flex-start;flex-direction:column}.dns-toolbar button{width:100%}.dns-item-card{align-items:stretch;flex-direction:column}.dns-card-actions,.dns-card-actions .btn,.dns-card-actions form,.dns-card-actions form button{width:100%}.client-meta{grid-template-columns:1fr 1fr}.auto-detect-notice{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.sidebar-cards{grid-template-columns:1fr!important}.title-row{align-items:flex-start;flex-direction:column}.client-actions .btn,.client-actions form,.client-actions form button{width:100%}}

/* DNS cards compactos - revisão V4 */
.dns-stack{gap:8px;margin-bottom:12px}
.dns-item-card{gap:10px;border-radius:12px;padding:10px 12px;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.dns-item-main{gap:10px}
.dns-index{width:34px;height:34px;flex-basis:34px;border-radius:9px;font-size:12px}
.dns-name-row{gap:7px}
.dns-name-row h3{font-size:15px;line-height:1.15}
.dns-url{margin-top:4px;border-radius:7px;padding:6px 8px;font-size:12px}
.dns-card-actions{gap:6px}
.dns-card-actions .btn,.dns-card-actions button{padding:7px 10px;font-size:12px;border-radius:8px;min-height:auto}
.dns-note{margin-bottom:12px;font-size:12px}
@media(max-width:780px){
  .dns-item-card{padding:10px}
  .dns-item-main{align-items:flex-start}
  .dns-card-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}
  .dns-card-actions .btn,.dns-card-actions form,.dns-card-actions form button{width:100%}
}

/* =========================================================
   RESPONSIVIDADE COMPLETA - revisão V5
   Desktop / notebook / tablet / celular
   ========================================================= */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-x:hidden}
img,svg,video,canvas{max-width:100%;height:auto}
button,.btn,input,select,textarea{min-height:42px}
button,.btn{touch-action:manipulation}
input,select,textarea{font-size:16px}
.sidebar-mobile-head,.mobile-menu-btn,.sidebar-backdrop{display:none}
.top-title{display:flex;align-items:center;gap:12px;min-width:0}.top-title>div{min-width:0}.top-title h1{overflow-wrap:anywhere}
.main{width:calc(100% - 286px)}
.card,.client-card,.playlist-card,.dns-item-card{min-width:0}
.code,.dns-url,.url-preview,.playlist-details b{overflow-wrap:anywhere;word-break:break-word}
.form-grid>*{min-width:0}
.form-actions>*{max-width:100%}
.table-wrap{max-width:100%;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}

/* notebook / tablet horizontal */
@media(max-width:1180px){
  .main{width:calc(100% - 250px);padding:22px}
  .top h1{font-size:25px}
  .grid{gap:12px}
  .card{padding:16px}
}

/* Tablet e celular: menu lateral vira gaveta */
@media(max-width:900px){
  body.nav-open{overflow:hidden}
  .layout{display:block;min-height:100vh}
  .sidebar{
    display:flex;position:fixed;z-index:1000;top:0;left:0;bottom:0;
    width:min(86vw,320px);height:100dvh;max-height:100dvh;
    transform:translateX(-105%);transition:transform .22s ease;
    border-right:1px solid var(--border);border-bottom:0;padding:14px;
    box-shadow:20px 0 50px rgba(0,0,0,.4);overflow:hidden
  }
  body.nav-open .sidebar{transform:translateX(0)}
  .sidebar-mobile-head{display:flex;align-items:center;justify-content:space-between;padding:2px 3px 4px;color:#91a1bf;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
  .sidebar-close{display:grid;place-items:center;width:42px;height:42px;min-height:42px;padding:0;border-radius:12px;background:#18243b;border-color:#2c3b5a;font-size:25px;font-weight:400}
  .brand{font-size:23px;padding-top:2px}
  .sidebar-cards{display:grid!important;grid-template-columns:1fr!important;gap:8px!important;overflow-y:auto;overscroll-behavior:contain;min-height:0;flex:1;padding-right:3px!important}
  .sidebar-cards .nav-card,.logout-card{padding:11px!important;border-radius:13px!important}
  .nav-copy small{display:block!important}
  .logout-card{margin-top:0!important}
  .sidebar-backdrop{display:block;position:fixed;inset:0;z-index:999;background:rgba(2,6,14,.68);backdrop-filter:blur(2px)}
  .sidebar-backdrop[hidden]{display:none}
  .main{width:100%;max-width:none;padding:16px 18px 28px}
  .top{position:sticky;top:0;z-index:30;margin:-16px -18px 18px;padding:12px 18px;background:rgba(8,13,25,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(38,53,82,.8)}
  .mobile-menu-btn{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;min-height:44px;padding:0;border-radius:12px;background:#17233a;border-color:#2d4164;font-size:21px}
  .top h1{font-size:22px;line-height:1.15}.top small{font-size:11px}.user{display:none}
  .grid,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .two{grid-template-columns:1fr}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .client-grid,.playlist-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .public-shell{padding:22px 16px 46px}
  .public-brand{font-size:25px}
  .public-playlists{grid-template-columns:1fr}
  .dns-item-card{flex-direction:row;align-items:center}
  .dns-card-actions{display:flex;width:auto}
  .dns-card-actions .btn,.dns-card-actions form,.dns-card-actions form button{width:auto}
}

/* Celular */
@media(max-width:680px){
  .main{padding:14px 12px 24px}
  .top{margin:-14px -12px 15px;padding:10px 12px}
  .top h1{font-size:19px}.top small{display:none}
  .grid,.grid-3,.form-grid,.info-grid,.client-grid,.playlist-grid,.recent-grid,.public-playlists{grid-template-columns:1fr}
  .dashboard-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dashboard-metrics .metric{margin-bottom:0;padding:13px}.dashboard-metrics .metric strong{font-size:25px}
  .card{padding:14px;border-radius:14px;margin-bottom:12px}
  .title-row{align-items:flex-start;flex-direction:column;gap:8px}.title-row .pill{align-self:flex-start}
  .search-row,.copy-row{grid-template-columns:1fr}.search-row button,.copy-row button{width:100%}
  .form-actions{display:grid;grid-template-columns:1fr;gap:8px}.form-actions .btn,.form-actions button,.form-actions form,.form-actions form button{width:100%}
  .client-meta{grid-template-columns:1fr 1fr}
  .client-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.client-actions .btn,.client-actions button,.client-actions form,.client-actions form button{width:100%}
  .dns-toolbar{align-items:stretch;flex-direction:column;gap:10px}.dns-toolbar button,.dns-toolbar .btn{width:100%}
  .dns-item-card{flex-direction:column;align-items:stretch;padding:10px}.dns-card-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.dns-card-actions .btn,.dns-card-actions form,.dns-card-actions form button{width:100%}
  .dns-item-main{align-items:flex-start}.dns-url{white-space:normal}
  .auto-detect-notice{align-items:flex-start;flex-direction:column}.auto-detect-notice .btn{width:100%}
  .recent-card{grid-template-columns:1fr}.recent-card .badge{grid-row:auto;justify-self:start}
  .utility-details summary{padding:14px}
  .public-shell{padding:18px 11px 38px}.public-brand{font-size:23px;margin-bottom:16px}
  .public-create-card .pill{display:none}
  table{min-width:650px}
}

/* Celulares pequenos */
@media(max-width:430px){
  .sidebar{width:min(92vw,310px)}
  .dashboard-metrics{grid-template-columns:1fr 1fr;gap:8px}
  .dashboard-metrics .metric{padding:11px}.dashboard-metrics .metric strong{font-size:22px}.dashboard-metrics .metric small{font-size:10px}
  .client-meta{grid-template-columns:1fr}
  .client-actions{grid-template-columns:1fr}
  .dns-card-actions{grid-template-columns:1fr}
  .nav-icon{width:35px;height:35px;flex-basis:35px}
  .form-grid{grid-template-columns:1fr}
  .card h2{font-size:18px}
  input,select,textarea{padding:12px 11px}
}

/* Telas largas */
@media(min-width:1500px){
  .main{padding:30px 34px}.grid{gap:18px}.client-grid,.playlist-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* Modo paisagem de celular/tablet: não desperdiça altura */
@media(max-width:900px) and (orientation:landscape) and (max-height:560px){
  .sidebar{width:min(55vw,300px)}
  .sidebar-cards .nav-card,.logout-card{padding:8px 10px!important}.nav-icon{width:32px;height:32px;flex-basis:32px}.nav-copy small{display:none!important}
  .top{position:relative;margin:-14px -12px 12px}
}

/* DNS em cards quadrados/compactos - revisão V6 */
.dns-stack{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,250px));
  gap:12px;
  justify-content:flex-start;
  align-items:stretch;
}
.dns-item-card{
  width:100%;
  min-height:182px;
  max-width:250px;
  display:flex;
  flex-direction:column;
  align-items:stretch;
  justify-content:space-between;
  padding:12px;
  gap:10px;
}
.dns-item-main{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:10px;
  min-width:0;
}
.dns-index{
  width:36px;
  height:36px;
  flex:0 0 36px;
  align-self:flex-start;
}
.dns-item-copy{
  width:100%;
}
.dns-name-row{
  align-items:flex-start;
  justify-content:space-between;
  gap:8px;
}
.dns-name-row h3{
  font-size:15px;
  line-height:1.2;
}
.dns-url{
  width:100%;
  white-space:normal;
  overflow:visible;
  text-overflow:unset;
  line-height:1.35;
  min-height:58px;
}
.dns-card-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  width:100%;
  gap:7px;
  margin-top:auto;
}
.dns-card-actions .btn,
.dns-card-actions form,
.dns-card-actions form button{
  width:100%;
}
@media(max-width:900px){
  .dns-stack{
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  }
  .dns-item-card{
    max-width:none;
    min-height:172px;
  }
}
@media(max-width:560px){
  .dns-stack{
    grid-template-columns:1fr;
  }
  .dns-item-card{
    min-height:auto;
  }
}

/* Detecção automática de MAC - revisão V13 */
.detected-mac-panel{border-color:#33596b;background:linear-gradient(145deg,#101d2d,#0e1827)}
.detected-mac-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;margin-top:12px}
.detected-mac-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid #29465a;border-radius:12px;background:#0b1623;min-width:0}
.detected-mac-item>div{display:grid;gap:3px;min-width:0}.detected-mac-item strong{font-size:14px;overflow-wrap:anywhere}.detected-mac-item small{color:var(--muted);font-size:11px}.detected-mac-item .btn{flex:0 0 auto;min-height:36px;padding:7px 10px;font-size:12px}
@media(max-width:680px){.detected-mac-grid{grid-template-columns:1fr}.detected-mac-item{align-items:stretch;flex-direction:column}.detected-mac-item .btn{width:100%}}

/* Auditoria V14 - diagnóstico da detecção */
.detection-diagnostic-card{border-color:#334d78;background:linear-gradient(145deg,#101b31,#101727)}
.detection-diagnostic-card .info-grid{margin-top:12px}
.detection-diagnostic-card .mini-card .code{display:block;margin-top:6px;font-size:12px;overflow-wrap:anywhere;word-break:break-word}
.compact-alert{margin:12px 0 0;padding:10px 12px}

/* Clientes e nomes de listas - revisão V17 */
[hidden]{display:none!important}
.client-add-launcher{border-color:#31496f;background:linear-gradient(145deg,#10192b,#111a2e)}
.client-form-head-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.client-create-grid .client-url-field{min-width:0}
.client-card-mac{font-size:12px;color:#94a6c7;margin-top:-5px;margin-bottom:8px;overflow-wrap:anywhere}
.client-card .client-meta{grid-template-columns:repeat(3,minmax(0,1fr))}
.playlist-add-grid .form-actions{grid-column:1/-1;margin-top:0}
.playlist-card form label+input+label{margin-top:10px}
@media(max-width:900px){
  .client-card .client-meta{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:680px){
  .client-add-launcher .title-row .btn{width:100%}
  .client-form-head-actions{width:100%}.client-form-head-actions .btn{margin-left:auto}
  .client-card .client-meta{grid-template-columns:1fr 1fr}
}
@media(max-width:430px){
  .client-form-head-actions{display:grid;grid-template-columns:1fr;width:100%}.client-form-head-actions .btn{width:100%;margin-left:0}
  .client-card .client-meta{grid-template-columns:1fr}
}


/* V18 - Diagnóstico em página própria */
.diagnostic-number{display:block;font-size:28px;font-weight:800;margin-top:8px}
.diagnostic-list{display:grid;gap:10px;margin-top:12px}
.diagnostic-row{display:grid;grid-template-columns:minmax(180px,1.4fr) minmax(90px,.5fr) minmax(155px,.8fr) minmax(120px,.7fr) minmax(100px,.6fr);gap:12px;align-items:center;padding:12px;border:1px solid var(--border);border-radius:14px;background:#0f1727}
.diagnostic-row>div{min-width:0;display:grid;gap:4px}
.diagnostic-row small{color:var(--muted)}
@media(max-width:1050px){.diagnostic-row{grid-template-columns:1fr 1fr 1fr}.diagnostic-row>div:first-child{grid-column:1/-1}}
@media(max-width:620px){.diagnostic-row{grid-template-columns:1fr}.diagnostic-row>div:first-child{grid-column:auto}}
.dns-login-test{margin-top:9px;color:#cbd5e9}.dns-login-test summary{cursor:pointer;font-size:13px;font-weight:700}.dns-login-test form{display:flex;align-items:end;gap:8px;flex-wrap:wrap;margin:10px 0 5px}.dns-login-test form label{flex:1 1 150px;min-width:0;font-size:12px;margin:0}.dns-login-test input{margin-top:4px;padding:7px 9px}.dns-login-test button{min-height:36px;white-space:nowrap}.dns-login-test small{display:block;color:#91a1bc;font-size:11px}
@media(max-width:560px){.dns-login-test form{display:grid;grid-template-columns:1fr}.dns-login-test form label,.dns-login-test button{width:100%}}


/* =========================================================
   V29 - DNS mais largos + painel refinado para PC e celular
   ========================================================= */

/* estabilidade global */
html,body{max-width:100%;overflow-x:hidden}
.layout,.main,.card,.info-grid,.form-grid,.dns-stack,.client-grid,.playlist-grid{min-width:0}
.sidebar{overflow:hidden}
.sidebar-cards{scrollbar-width:thin}
.sidebar-cards::-webkit-scrollbar{width:8px}
.sidebar-cards::-webkit-scrollbar-thumb{background:#253556;border-radius:999px}
main > *{max-width:100%}

/* barras de topo e blocos principais */
.top{gap:12px;min-width:0}
.top-title{flex:1;min-width:0}
.top-title > div{min-width:0}
.top h1,.top small{max-width:100%}
.card,.mini-card,.client-card,.playlist-card,.dns-item-card{overflow:hidden}
.card p,.mini-card p,.muted,.code,code,pre,small,strong,span{overflow-wrap:anywhere}
.info-grid .mini-card .code{display:block;margin-top:6px}

/* DNS: card maior, com wrap real e sem vazar borda */
.dns-stack{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(360px,1fr));
  gap:16px;
  align-items:stretch;
}
.dns-item-card{
  max-width:none;
  min-height:unset;
  padding:18px;
  border-radius:18px;
  gap:14px;
}
.dns-item-main{
  gap:14px;
}
.dns-index{
  width:40px;
  height:40px;
  flex:0 0 40px;
}
.dns-item-copy{
  display:grid;
  gap:10px;
  width:100%;
}
.dns-name-row{
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
.dns-name-row h3{
  font-size:18px;
  line-height:1.2;
}
.dns-url{
  width:100%;
  min-height:unset;
  padding:11px 12px;
  border-radius:11px;
  font-size:13px;
  line-height:1.45;
  white-space:normal;
  overflow:visible;
  text-overflow:unset;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.dns-item-copy > .muted{
  display:block;
  margin:0;
  line-height:1.45;
}
.dns-item-copy > .muted code{
  display:block;
  margin-top:4px;
  padding:8px 10px;
  background:#0b1323;
  border:1px solid #22314e;
  border-radius:10px;
  font-size:12px;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.dns-login-test{
  margin-top:2px;
  padding-top:2px;
}
.dns-login-test summary{
  line-height:1.35;
}
.dns-login-test form{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  align-items:end;
}
.dns-login-test form label{
  flex:none;
}
.dns-login-test button{
  width:100%;
  min-height:42px;
}
.dns-card-actions{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  width:100%;
  margin-top:auto;
}
.dns-card-actions .btn,
.dns-card-actions form,
.dns-card-actions form button{
  width:100%;
}
.dns-note{
  margin-top:4px;
  line-height:1.5;
}

/* tablet / notebook */
@media (max-width:1180px){
  .dns-stack{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
  .dns-item-card{padding:16px}
}

/* tablet */
@media (max-width:900px){
  .sidebar{overflow:hidden}
  .main{padding:16px 16px 28px}
  .grid,.grid-3,.client-grid,.playlist-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-grid{grid-template-columns:1fr}
  .dns-stack{grid-template-columns:1fr}
  .dns-item-card{padding:16px}
  .dns-card-actions{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* celular */
@media (max-width:680px){
  .main{padding:14px 12px 24px}
  .top{margin:-14px -12px 15px;padding:10px 12px}
  .top-title{align-items:flex-start}
  .mobile-menu-btn{flex:0 0 42px;width:42px;height:42px}
  .grid,.grid-3,.form-grid,.info-grid,.client-grid,.playlist-grid,.recent-grid,.public-playlists{grid-template-columns:1fr}
  .dns-toolbar{gap:12px}
  .dns-item-card{padding:14px;gap:12px}
  .dns-item-main{gap:12px}
  .dns-name-row h3{font-size:17px}
  .dns-login-test form{grid-template-columns:1fr}
  .dns-card-actions{grid-template-columns:1fr}
  .dns-item-copy > .muted code{font-size:11.5px}
}

/* celulares pequenos */
@media (max-width:430px){
  .card{padding:13px}
  .dns-item-card{padding:12px;border-radius:15px}
  .dns-index{width:36px;height:36px;flex-basis:36px}
  .dns-name-row{gap:8px}
  .dns-name-row h3{font-size:16px}
}

/* =========================================================
   V30 - Card DNS permanece quadrado, apenas um pouco maior
   ========================================================= */
.dns-stack{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(290px,310px));
  gap:14px;
  justify-content:flex-start;
  align-items:stretch;
}
.dns-item-card{
  width:100%;
  max-width:310px;
  min-height:310px;
  aspect-ratio:1 / 1;
  padding:15px;
  border-radius:16px;
  gap:10px;
  overflow:hidden;
}
.dns-item-main{
  min-width:0;
  gap:9px;
}
.dns-item-copy{
  min-width:0;
  width:100%;
  gap:7px;
}
.dns-name-row h3{
  font-size:16px;
}
.dns-url{
  min-height:0;
  padding:8px 9px;
  font-size:12px;
  line-height:1.35;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.dns-item-copy > .muted{
  font-size:12px;
  line-height:1.35;
  min-width:0;
}
.dns-item-copy > .muted code{
  margin-top:3px;
  padding:6px 8px;
  font-size:11px;
  line-height:1.35;
  white-space:normal;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.dns-login-test{
  margin-top:0;
}
.dns-login-test summary{
  font-size:12px;
  line-height:1.25;
}
.dns-card-actions{
  grid-template-columns:1fr 1fr;
  gap:7px;
}
.dns-card-actions .btn,
.dns-card-actions button{
  padding:8px 9px;
  font-size:12px;
}
@media(max-width:900px){
  .dns-stack{grid-template-columns:repeat(auto-fit,minmax(280px,310px))}
  .dns-item-card{max-width:310px;min-height:310px;aspect-ratio:1 / 1}
}
@media(max-width:680px){
  .dns-stack{grid-template-columns:1fr;justify-items:center}
  .dns-item-card{width:min(100%,320px);max-width:320px;min-height:320px;aspect-ratio:1 / 1}
  .dns-card-actions{grid-template-columns:1fr 1fr}
}
@media(max-width:360px){
  .dns-item-card{width:100%;max-width:100%;min-height:auto;aspect-ratio:auto}
  .dns-card-actions{grid-template-columns:1fr}
}


/* =========================================================
   V31 - Botões do card DNS totalmente visíveis
   ========================================================= */
.dns-item-card{
  max-width:320px;
  min-height:338px;
  aspect-ratio:1 / 1;
  padding:15px;
}
.dns-item-copy{
  display:grid;
  gap:7px;
}
.dns-card-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:7px;
  align-items:stretch;
}
.dns-card-actions > *{
  min-width:0;
}
.dns-card-actions form{
  width:100%;
  margin:0;
}
.dns-card-actions .btn,
.dns-card-actions button{
  width:100%;
  min-height:38px;
  line-height:1.2;
  white-space:normal;
  text-align:center;
  justify-content:center;
}
.dns-card-actions > :last-child{
  grid-column:1 / -1;
}
@media(max-width:900px){
  .dns-item-card{max-width:320px;min-height:338px}
}
@media(max-width:680px){
  .dns-item-card{width:min(100%,320px);max-width:320px;min-height:338px}
  .dns-card-actions{grid-template-columns:1fr 1fr}
  .dns-card-actions > :last-child{grid-column:1 / -1}
}
@media(max-width:360px){
  .dns-item-card{width:100%;max-width:100%;min-height:auto;aspect-ratio:auto}
  .dns-card-actions{grid-template-columns:1fr}
  .dns-card-actions > :last-child{grid-column:auto}
}


/* =========================================================
   V32 - Card DNS quadrado sem corte inferior
   ========================================================= */
/* O grid cresce junto com o card; evita largura 350px presa em coluna de 310px. */
.dns-stack{
  grid-template-columns:repeat(auto-fit,minmax(330px,350px));
  gap:14px;
  justify-content:flex-start;
}
.dns-item-card{
  width:350px;
  max-width:350px;
  height:350px;
  min-height:350px;
  aspect-ratio:1 / 1;
  padding:15px;
  overflow:hidden;
}
.dns-item-main{
  min-height:0;
}
.dns-item-copy{
  min-height:0;
  gap:6px;
}
.dns-url{
  padding:7px 9px;
}
.dns-item-copy > .muted code{
  padding:5px 8px;
}
.dns-login-test summary{
  line-height:1.2;
}
.dns-card-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:7px;
  width:100%;
  margin-top:auto;
  flex:0 0 auto;
}
.dns-card-actions .btn,
.dns-card-actions button{
  min-height:36px;
  padding:7px 8px;
  line-height:1.15;
}
.dns-card-actions > :last-child{
  grid-column:1 / -1;
}

@media(max-width:900px){
  .dns-stack{grid-template-columns:repeat(auto-fit,minmax(320px,350px))}
  .dns-item-card{width:350px;max-width:350px;height:350px;min-height:350px;aspect-ratio:1 / 1}
}
@media(max-width:680px){
  .dns-stack{grid-template-columns:1fr;justify-items:center}
  .dns-item-card{
    width:min(100%,350px);
    max-width:350px;
    height:auto;
    min-height:min(350px,100vw);
    aspect-ratio:1 / 1;
  }
}
@media(max-width:390px){
  /* Em telas muito estreitas, prioriza não cortar conteúdo. */
  .dns-item-card{width:100%;max-width:100%;height:auto;min-height:auto;aspect-ratio:auto;overflow:visible}
  .dns-card-actions{grid-template-columns:1fr}
  .dns-card-actions > :last-child{grid-column:auto}
}