:root{
  --bg:#0b0b0d;
  --bg-soft:#141419;
  --surface:#18181f;
  --surface-2:#20202a;
  --text:#f5f5f7;
  --text-soft:#c7c8cf;
  --muted:#8f93a3;
  --border:rgba(255,255,255,.10);
  --shadow:0 16px 38px rgba(0,0,0,.25);
  --primary:#f90101;
  --primary-soft:rgba(249,1,1,.12);
  --danger:#9b1c1c;
  --success:#18a957;
  --radius:18px;
  --radius-sm:13px;
  --container:1120px;
  --font:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

html[data-theme="light"]{
  --bg:#f7f7fa;
  --bg-soft:#fff;
  --surface:#fff;
  --surface-2:#f1f2f7;
  --text:#121319;
  --text-soft:#4f5567;
  --muted:#71788a;
  --border:rgba(0,0,0,.10);
  --shadow:0 14px 30px rgba(18,19,25,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;min-width:0;min-height:100vh;min-height:100svh;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;overflow-x:hidden;display:flex;flex-direction:column}
body>main{flex:1 0 auto}
body>.site-header,body>.admin-topbar,body>.site-footer{flex:0 0 auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 32px),var(--container));margin-inline:auto}
.hidden{display:none!important}

/* Cabeçalho público e administrativo */
.site-header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.header-inner{min-height:72px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto;min-width:0}
.brand img{height:48px;width:auto;max-width:44px;object-fit:contain;flex:0 0 auto}
.brand-copy{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.brand-copy strong{font-size:1rem;white-space:nowrap}
.brand-copy span{font-size:.76rem;color:var(--muted);letter-spacing:.11em;text-transform:uppercase;margin-top:5px;white-space:nowrap}
.nav{display:flex;align-items:center;gap:8px}
.nav a,.icon-btn{border:1px solid transparent;border-radius:12px;padding:9px 12px;color:var(--text-soft);background:transparent}
.nav a:hover,.nav a[aria-current="page"],.icon-btn:hover{border-color:var(--border);background:var(--surface)}
.icon-btn{min-width:42px;color:var(--text);display:inline-grid;place-items:center}

/* Busca pública compacta */
.public-search-section{padding:34px 0 8px}
.public-search-shell{margin:0;max-width:none}
.search-shell{display:flex;gap:10px;width:100%}
.field,input,textarea,select{width:100%;min-width:0;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:14px;padding:14px 16px;outline:none}
.field:focus,input:focus,textarea:focus,select:focus{border-color:rgba(249,1,1,.48);background:var(--surface-2)}
.public-search-shell .field{min-height:54px;font-size:1rem}

/* Listagem pública */
.section{padding:26px 0 64px}
.public-list-section{padding-top:18px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.section-title,.section h1,.section h2{font-size:1.6rem;margin:0;line-height:1.2}
.section-subtitle{color:var(--muted);margin:4px 0 0}
.alphabet{display:grid;gap:22px}
.letter-group{border:1px solid var(--border);background:var(--surface);border-radius:20px;overflow:hidden}
.letter-title{padding:12px 18px;color:#fff;background:var(--primary);font-size:1.1rem;font-weight:900}
.song-list{display:grid}
.song-row{display:flex;gap:12px;align-items:center;padding:15px 18px;border-top:1px solid var(--border);min-width:0}
.song-row:first-child{border-top:0}
.song-row:hover{background:var(--surface-2)}
.song-main{min-width:0;flex:1}
.song-title{font-weight:800;overflow-wrap:anywhere}
.song-meta{font-size:.86rem;color:var(--muted);margin-top:3px;overflow-wrap:anywhere}
.song-arrow{font-size:1.25rem;color:var(--primary);flex:0 0 auto}
.empty{padding:32px;border:1px dashed var(--border);border-radius:18px;color:var(--muted);text-align:center}

/* Página individual da letra */
.eyebrow{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--primary-soft);color:#ff8585;font-weight:800;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.letter-page{padding:42px 0 74px}
.back-link{display:inline-flex;margin-bottom:22px;color:var(--text-soft)}
.letter-card{border:1px solid var(--border);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
.letter-head{padding:28px 30px;border-bottom:1px solid var(--border)}
.letter-head h1{margin:14px 0 0;font-size:clamp(2rem,5vw,3.3rem);line-height:1.08;overflow-wrap:anywhere}
.letter-meta{margin-top:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.letter-body{padding:30px;white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--font);font-size:1.08rem;line-height:1.95}
.letter-body.centered{text-align:center}
.letter-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;min-height:45px;padding:0 17px;font-weight:800;text-align:center}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{border:1px solid var(--border);background:var(--surface);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* Rodapé */
.site-footer{border-top:1px solid var(--border);padding:30px 0;color:var(--muted);margin-top:auto}
.footer-inner{display:flex;justify-content:space-between;gap:18px;align-items:center}
.footer-logo{height:34px;width:auto;object-fit:contain}

/* Instagram flutuante */
.instagram-float{position:fixed;right:18px;right:max(18px,calc(env(safe-area-inset-right) + 12px));bottom:18px;bottom:max(18px,calc(env(safe-area-inset-bottom) + 12px));z-index:9999;width:46px;height:46px;display:grid!important;place-items:center;border-radius:15px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .18s ease,background .18s ease;visibility:visible!important;opacity:1!important;pointer-events:auto!important;-webkit-transform:translateZ(0);transform:translateZ(0)}
.instagram-float:hover{transform:translateY(-2px) scale(1.04);background:var(--surface-2)}
.instagram-float img{width:30px;height:30px;object-fit:contain}

/* Login */
.login-page{min-height:calc(100vh - 150px);display:grid;place-items:center;padding:48px 0}
.login-card{width:min(100%,480px);background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:34px;box-shadow:var(--shadow);text-align:center}
.login-card .v7{width:72px;height:auto;margin:0 auto 18px}
.login-card h1{margin:0 0 7px}
.login-card p{color:var(--muted);margin:0 0 22px}
.status-message{margin-top:15px;border-radius:12px;padding:11px 13px;background:var(--bg-soft);color:var(--text-soft);font-size:.9rem}
.status-message.error{color:#ff9e9e;border:1px solid rgba(249,1,1,.25)}

/* Administração */
.admin-topbar{border-bottom:1px solid var(--border);background:var(--bg-soft)}
.admin-topbar .header-inner{min-height:76px}
.admin-nav{min-width:0}
.admin-page{padding:38px 0 70px}
.admin-title-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:24px}
.admin-title-row h1{margin:0;line-height:1.2}
.admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.admin-card{padding:22px;border:1px solid var(--border);border-radius:20px;background:var(--surface);min-width:0}
.admin-card strong{font-size:2rem;display:block}
.admin-card span{color:var(--muted)}
.admin-table-wrap{overflow:auto;border:1px solid var(--border);border-radius:18px;background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
th{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
tr:last-child td{border-bottom:0}
.badge{display:inline-flex;border-radius:999px;padding:4px 9px;font-size:.78rem;font-weight:800}
.badge-on{background:rgba(24,169,87,.14);color:#64d995}
.badge-off{background:rgba(143,147,163,.13);color:var(--muted)}
.table-actions{display:flex;gap:8px;flex-wrap:wrap}
.mini-btn{border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:9px;padding:7px 10px;white-space:nowrap}
.admin-form{display:grid;gap:14px;max-width:850px}
.admin-form label{font-weight:750;min-width:0}
.admin-form label>span{display:block;margin-bottom:7px}
.admin-form textarea{min-height:360px;resize:vertical;line-height:1.65}
.check-line{display:flex!important;gap:10px;align-items:center}
.check-line input{width:auto;flex:0 0 auto}
.check-line>span{margin:0!important}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.admin-user{display:flex;align-items:center;gap:10px;min-width:0}
.admin-user img{width:36px;height:36px;border-radius:50%;object-fit:cover;background:var(--surface);flex:0 0 auto}
.admin-user span{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-soft);font-size:.9rem}
.admin-search-shell{margin:0 0 18px}

.settings-card{margin-top:28px;border:1px solid var(--border);background:var(--surface);border-radius:20px;padding:24px}
.settings-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}
.settings-card h2{margin:0;font-size:1.3rem}
.compact-form{max-width:760px}
.field-help{margin:-5px 0 0;color:var(--muted);font-size:.9rem}

.toast{position:fixed;right:18px;bottom:18px;z-index:50;max-width:min(390px,calc(100vw - 36px));padding:13px 16px;border-radius:13px;background:var(--surface-2);border:1px solid var(--border);box-shadow:var(--shadow)}
.loading{opacity:.65;pointer-events:none}
.slug-box{border:1px solid var(--border);background:var(--bg-soft);border-radius:14px;padding:12px 14px;display:grid;gap:5px}
.slug-box span{font-size:.78rem;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.slug-box code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--text);overflow-wrap:anywhere}

/* Tablets */
@media(max-width:900px){
  .container{width:min(calc(100% - 28px),var(--container))}
  .admin-topbar .header-inner{flex-wrap:wrap;padding:10px 0}
  .admin-topbar .brand{width:auto}
  .admin-topbar .admin-nav{width:100%;justify-content:flex-start;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:10px}
  .admin-topbar .admin-user{margin-left:auto}
  .admin-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* Celulares */
@media(max-width:680px){
  .container{width:min(calc(100% - 22px),var(--container))}
  .header-inner{min-height:64px;gap:8px}
  .brand{gap:9px}
  .brand img{height:42px;max-width:38px}
  .brand-copy strong{font-size:.92rem}
  .brand-copy span{font-size:.65rem;margin-top:4px}
  .nav{gap:3px}
  .nav a,.icon-btn{padding:8px 9px;border-radius:10px}
  .icon-btn{min-width:38px}

  .public-search-section{padding:22px 0 5px}
  .public-search-shell .field{min-height:50px;padding:13px 14px;font-size:.96rem}
  .section{padding:18px 0 46px}
  .section-head{align-items:flex-start;flex-direction:column;gap:6px;margin-bottom:14px}
  .section-title,.section h1,.section h2{font-size:1.35rem}
  .alphabet{gap:16px}
  .letter-group{border-radius:16px}
  .letter-title{padding:10px 14px}
  .song-row{padding:13px 14px}

  .letter-page{padding:26px 0 48px}
  .back-link{margin-bottom:16px}
  .letter-card{border-radius:18px}
  .letter-head,.letter-body{padding:20px 17px}
  .letter-head h1{font-size:clamp(1.75rem,9vw,2.45rem)}
  .letter-body{font-size:1rem;line-height:1.82}
  .eyebrow{font-size:.68rem}

  .footer-inner{flex-direction:column;text-align:center}
  .site-footer{padding:24px 0}
  .instagram-float{width:44px;height:44px;border-radius:14px;right:14px;right:max(14px,calc(env(safe-area-inset-right) + 10px));bottom:82px;bottom:max(82px,calc(env(safe-area-inset-bottom) + 72px));z-index:9999;display:grid!important;visibility:visible!important;opacity:1!important}
  .instagram-float img{width:29px;height:29px;display:block!important}

  .login-page{padding:30px 0;min-height:calc(100vh - 130px)}
  .login-card{padding:26px 20px;border-radius:19px}

  .admin-page{padding:26px 0 50px}
  .admin-title-row{align-items:stretch;gap:14px}
  .admin-title-row>.btn{width:100%}
  .admin-grid{grid-template-columns:1fr}
  .admin-card{padding:18px}
  .settings-card{padding:18px;margin-top:20px}
  .admin-form textarea{min-height:300px}
  .form-actions>*{flex:1 1 140px}

  .admin-topbar .header-inner{padding:9px 0}
  .admin-topbar .admin-nav{gap:5px}
  .admin-topbar .admin-user{margin-left:0;width:100%;padding-top:4px}
  .admin-user span{display:none}
  .admin-user .mini-btn{margin-left:auto}

  .admin-table-wrap{overflow:visible;border:0;background:transparent}
  .admin-table-wrap table{min-width:0;display:block}
  .admin-table-wrap thead{display:none}
  .admin-table-wrap tbody{display:grid;gap:12px}
  .admin-table-wrap tr{display:block;border:1px solid var(--border);border-radius:16px;background:var(--surface);overflow:hidden}
  .admin-table-wrap td{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:1px solid var(--border);padding:11px 13px;text-align:right;overflow-wrap:anywhere}
  .admin-table-wrap td:last-child{border-bottom:0}
  .admin-table-wrap td::before{content:attr(data-label);color:var(--muted);font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;text-align:left;flex:0 0 82px}
  .admin-table-wrap td[colspan]{display:block;text-align:center}
  .admin-table-wrap td[colspan]::before{display:none}
  .table-actions{justify-content:flex-end}
}

/* Telas muito estreitas */
@media(max-width:420px){
  .brand-copy strong{font-size:.86rem}
  .brand-copy span{font-size:.61rem}
  .site-header .nav a{display:none}
  .admin-topbar .nav a{display:inline-flex}
  .admin-topbar .brand-copy span{display:none}
  .admin-topbar .brand img{height:38px;max-width:35px}
  .admin-topbar .admin-nav{justify-content:space-between}
  .admin-topbar .admin-user{width:auto;margin-left:auto}
  .admin-topbar .admin-user img{display:none}
  .admin-user .mini-btn{margin-left:0}
  .admin-table-wrap td{display:block;text-align:left}
  .admin-table-wrap td::before{display:block;margin-bottom:5px}
  .table-actions{justify-content:flex-start}
  .form-actions>*{flex-basis:100%}
}