:root{
  --blue:#2d2b92;--blue-2:#4542b6;--orange:#f28b2f;--orange-2:#ffad58;--ink:#1f2540;--muted:#6c728c;--line:#e6e8f0;--bg:#f6f7fb;--panel:#fff;--danger:#b73b49;--success:#2e8a63;--warning:#b9791e;--shadow:0 18px 45px rgba(31,37,64,.08);--radius:22px;--radius-sm:14px;--sidebar:270px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}img{max-width:100%}.inline{display:inline}.hidden{display:none!important}.small{font-size:.84rem}.muted{color:var(--muted)}.top-space{margin-top:16px}.gap{gap:22px}
.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:linear-gradient(180deg,var(--blue),#262477);color:#fff;padding:24px 18px;display:flex;flex-direction:column;z-index:40;box-shadow:20px 0 55px rgba(45,43,146,.13)}.brand{display:flex;align-items:center;gap:13px;padding:0 8px 22px;border-bottom:1px solid rgba(255,255,255,.14)}.brand img{width:54px;height:54px;object-fit:contain}.brand strong{display:block;font-size:1.12rem;letter-spacing:-.02em}.brand span{display:block;font-size:.72rem;opacity:.72;max-width:150px}.sidebar nav{display:flex;flex-direction:column;gap:6px;margin-top:24px;overflow:auto}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;color:rgba(255,255,255,.78);font-weight:650;font-size:.92rem;transition:.2s}.sidebar nav a:hover{background:rgba(255,255,255,.08);color:#fff}.sidebar nav a.active{background:#fff;color:var(--blue);box-shadow:0 8px 24px rgba(0,0,0,.12)}.nav-icon{width:22px;text-align:center;font-size:1.05rem}.side-user{margin-top:auto;display:flex;align-items:center;gap:10px;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.14)}.side-user strong{display:block;font-size:.86rem}.side-user span{display:block;font-size:.72rem;opacity:.7}.avatar{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 7px 20px rgba(242,139,47,.25)}.avatar.large{width:52px;height:52px;border-radius:16px;font-size:1.2rem}.avatar.xlarge{width:72px;height:72px;border-radius:22px;font-size:1.8rem}
.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}.topbar{height:102px;padding:0 34px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(246,247,251,.92);backdrop-filter:blur(12px);position:sticky;top:0;z-index:30}.topbar h1{margin:2px 0 0;font-size:1.65rem;letter-spacing:-.04em}.top-actions{display:flex;align-items:center;gap:10px}.mobile-menu{display:none;border:0;background:#fff;width:42px;height:42px;border-radius:12px;box-shadow:0 5px 20px rgba(0,0,0,.08);font-size:1.2rem;color:var(--blue)}.content{padding:28px 34px;flex:1;max-width:1600px;width:100%;margin:0 auto}.footer{padding:22px 34px;color:var(--muted);font-size:.78rem;border-top:1px solid var(--line)}
.eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.11em;font-weight:800;color:var(--orange)}.light-text{color:#ffd4ab}.chip,.tag,.status,.count{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:6px 10px;font-size:.74rem;font-weight:750;background:#eeeffa;color:var(--blue)}.tag.light{background:#f4f5f8;color:var(--muted)}.status.ok{background:#e6f6ef;color:var(--success)}.status.warning{background:#fff3dc;color:var(--warning)}.status.danger{background:#fde8eb;color:var(--danger)}.muted-status{background:#eceef3;color:var(--muted)}
.panel{background:var(--panel);border:1px solid rgba(230,232,240,.9);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.panel-head h2{margin:3px 0 0;font-size:1.22rem;letter-spacing:-.03em}.grid-2{display:grid;grid-template-columns:1fr 1fr}.grid-form-list{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:22px;align-items:start}.sticky-panel{position:sticky;top:130px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stats-grid.compact{grid-template-columns:repeat(3,1fr);margin:20px 0}.stat-card,.stat{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(31,37,64,.05)}.stat-card span,.stat span{display:block;color:var(--muted);font-size:.78rem;font-weight:700}.stat-card strong,.stat strong{display:block;font-size:2rem;letter-spacing:-.05em;margin:5px 0;color:var(--blue)}.stat-card small{color:var(--muted)}
.form-stack{display:flex;flex-direction:column;gap:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{display:flex;flex-direction:column;gap:7px;font-size:.78rem;font-weight:750;color:#4e5570}input,select,textarea{width:100%;border:1px solid #dfe2ec;border-radius:12px;padding:11px 12px;background:#fff;color:var(--ink);outline:none;transition:.18s}input:focus,select:focus,textarea:focus{border-color:var(--blue-2);box-shadow:0 0 0 3px rgba(69,66,182,.10)}textarea{resize:vertical}label small{font-weight:500;color:var(--muted);line-height:1.4}.inline-form,.toolbar{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap}.inline-form>*{flex:1}.toolbar{padding:14px;background:#f7f8fb;border-radius:16px;margin-bottom:18px}.toolbar label{min-width:210px}.toolbar .btn{flex:0 0 auto}.btn{border:0;border-radius:12px;padding:10px 14px;font-weight:800;font-size:.84rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 8px 20px rgba(45,43,146,.18)}.btn.secondary{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;box-shadow:0 8px 20px rgba(242,139,47,.18)}.btn.ghost{background:#f0f1f6;color:var(--ink)}.btn.danger-outline{background:#fff;border:1px solid #f0c5cc;color:var(--danger)}.btn.small{padding:7px 10px;font-size:.74rem}.btn.large{padding:13px 18px;font-size:.93rem;width:100%}.text-link{color:var(--blue);font-size:.8rem;font-weight:800}hr{border:0;border-top:1px solid var(--line);margin:4px 0}h3{margin:0}.actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}
.alert{border-radius:14px;padding:13px 15px;margin-bottom:16px;font-size:.86rem;border:1px solid transparent}.alert.success{background:#e9f7f0;border-color:#c9eadb;color:#236c4e}.alert.danger{background:#fdecee;border-color:#f4cbd0;color:#943442}.alert.warning{background:#fff5e3;border-color:#f6deb7;color:#8a5e1c}.empty{padding:38px 20px;text-align:center;border:1px dashed #d9dce7;border-radius:16px;background:#fafbfc}.empty strong{display:block}.empty span{display:block;color:var(--muted);font-size:.82rem;margin-top:4px}
.table-wrap{overflow:auto;border-radius:14px;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:680px}thead th{text-align:left;background:#f7f8fb;color:#6a7087;font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;padding:11px 13px}tbody td{padding:13px;border-top:1px solid var(--line);vertical-align:middle;font-size:.86rem}tbody td strong{display:block}tbody td small{display:block;color:var(--muted);margin-top:2px}.grade-table{min-width:860px}.grade-table th:not(:first-child),.grade-table td:not(:first-child){text-align:center}.grade-edit{border:0;background:#f7f8fb;border-radius:12px;padding:8px 10px;min-width:72px;cursor:pointer;font-weight:800;color:var(--blue)}.grade-edit small{font-size:.64rem!important;font-weight:600!important}.grade-pill{display:inline-flex;padding:7px 10px;border-radius:10px;background:#f1f2f5;font-weight:850}.grade-pill.good{background:#e8f6ef;color:var(--success)}
.feed-item{display:flex;gap:13px;padding:14px 0;border-top:1px solid var(--line)}.feed-item:first-of-type{border-top:0}.feed-dot{width:10px;height:10px;border-radius:50%;background:var(--orange);margin-top:6px;flex:0 0 auto}.feed-item p{margin:3px 0;color:var(--muted);font-size:.82rem}.feed-item small{color:#9297a8}.date-badge{width:48px;height:52px;border-radius:13px;background:#fff0e2;color:#c36b1f;display:grid;place-content:center;text-align:center;flex:0 0 auto}.date-badge b{font-size:1.12rem;line-height:1}.date-badge span{font-size:.58rem;font-weight:800;margin-top:4px}.date-badge.big{width:64px;height:66px;border-radius:17px}.date-badge.big b{font-size:1.35rem}.cards-list,.agenda-list,.notice-list,.mini-list{display:flex;flex-direction:column;gap:12px}.class-card{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px;border:1px solid var(--line);border-radius:17px}.class-card h3{margin:2px 0;font-size:1.05rem}.class-card p{margin:0;color:var(--muted);font-size:.8rem}.mini-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px solid var(--line)}.mini-row:first-child{border-top:0}.mini-row small{display:block;color:var(--muted)}
.student-summary{display:flex;align-items:center;gap:12px;padding:13px 14px;background:#f7f8fb;border-radius:16px;margin-bottom:15px}.student-summary strong{display:block}.student-summary span{display:block;color:var(--muted);font-size:.78rem}.attendance-list{display:flex;flex-direction:column;gap:9px}.attendance-row{display:grid;grid-template-columns:minmax(180px,1fr) 180px minmax(220px,1.2fr);gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:14px}.attendance-row strong,.attendance-row small{display:block}.attendance-row small{color:var(--muted)}.agenda-card{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:18px}.agenda-body h3{margin:7px 0 5px}.agenda-body p{margin:0 0 8px;color:#4f566e;font-size:.88rem}.agenda-body small{color:var(--muted)}.agenda-action{align-self:start}.badges{display:flex;gap:6px;flex-wrap:wrap}.notice{display:grid;grid-template-columns:auto 1fr auto;gap:14px;padding:18px;border:1px solid var(--line);border-radius:18px}.notice-icon{width:40px;height:40px;border-radius:13px;background:#eeeffa;color:var(--blue);display:grid;place-items:center}.notice h3{margin:7px 0 4px}.notice p{margin:0 0 8px;color:#4f566e}.notice small{color:var(--muted)}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-grid>div,.checklist>div{padding:11px 13px;background:#f7f8fb;border-radius:12px;font-size:.82rem}.profile-card{display:flex;align-items:center;gap:15px;padding:14px 0}.profile-card h3{font-size:1.2rem}.profile-card p{margin:2px 0 7px;color:var(--muted)}.detail-list{border-top:1px solid var(--line);margin-top:10px}.detail-list>div{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.84rem}.detail-list span{color:var(--muted)}
dialog{border:0;padding:0;border-radius:22px;max-width:520px;width:calc(100% - 28px);box-shadow:0 35px 90px rgba(23,25,55,.3)}dialog::backdrop{background:rgba(30,32,70,.48);backdrop-filter:blur(3px)}.dialog-card{padding:24px}.icon-close{border:0;background:#f0f1f5;width:34px;height:34px;border-radius:10px;cursor:pointer;font-size:1.25rem}
.login-page{background:#fff;min-height:100vh}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.08fr) minmax(420px,.92fr)}.login-brand{background:radial-gradient(circle at 20% 15%,rgba(255,255,255,.13),transparent 30%),linear-gradient(145deg,var(--blue),#24226f);display:grid;place-items:center;padding:60px;color:#fff;position:relative;overflow:hidden}.login-brand:after{content:"";position:absolute;width:380px;height:380px;border:80px solid rgba(242,139,47,.13);border-radius:50%;right:-170px;bottom:-170px}.brand-copy{max-width:570px;position:relative;z-index:1}.brand-copy img{width:108px;height:108px;object-fit:contain;margin-bottom:25px}.brand-copy h1{font-size:3.25rem;line-height:1.02;letter-spacing:-.055em;margin:10px 0 18px}.brand-copy p{font-size:1.06rem;color:rgba(255,255,255,.78);max-width:520px}.login-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.login-points span{padding:8px 12px;border:1px solid rgba(255,255,255,.17);border-radius:999px;font-size:.78rem}.login-form-wrap{display:grid;place-items:center;padding:40px;background:#fbfbfd}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:26px;padding:34px;box-shadow:0 24px 70px rgba(31,37,64,.09)}.login-card h2{font-size:1.8rem;letter-spacing:-.04em;margin:4px 0 7px}.login-card>p{margin:0 0 22px;color:var(--muted);font-size:.88rem}.login-card label{margin-top:13px}.login-card .btn{margin-top:18px}.login-help{display:block;text-align:center;color:var(--muted);margin-top:16px}.mobile-logo{display:none}.install-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#f6f7fb,#fff3e7)}.install-card{max-width:720px;width:100%;background:#fff;padding:38px;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.install-logo{width:90px;height:90px;object-fit:contain}.install-card h1{font-size:2rem;letter-spacing:-.04em;margin:6px 0}.install-card>p{color:var(--muted)}.checklist{display:grid;gap:8px;margin:20px 0}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.grid-form-list{grid-template-columns:1fr}.sticky-panel{position:static}.grid-2{grid-template-columns:1fr}.attendance-row{grid-template-columns:1fr 150px}.attendance-row input{grid-column:1/-1}}
@media(max-width:820px){:root{--sidebar:260px}.sidebar{transform:translateX(-105%);transition:.22s}.sidebar.open{transform:translateX(0)}.main{margin-left:0}.topbar{padding:0 18px;height:88px}.content{padding:20px 16px}.mobile-menu{display:block}.topbar>div:first-of-type{margin-right:auto;margin-left:12px}.chip{display:none}.stats-grid{grid-template-columns:1fr 1fr}.login-shell{grid-template-columns:1fr}.login-brand{display:none}.login-form-wrap{min-height:100vh;padding:20px}.mobile-logo{display:block}.mobile-logo img{width:80px;height:80px;object-fit:contain}.login-card{padding:26px}.agenda-card,.notice{grid-template-columns:auto 1fr}.agenda-action,.notice form{grid-column:2}.check-grid{grid-template-columns:1fr}}
@media(max-width:540px){.stats-grid{grid-template-columns:1fr}.panel{padding:18px;border-radius:18px}.form-grid{grid-template-columns:1fr}.class-card{align-items:flex-start;flex-direction:column}.attendance-row{grid-template-columns:1fr}.attendance-row input{grid-column:auto}.topbar h1{font-size:1.35rem}.top-actions .btn{padding:8px 10px}.content{padding:15px 12px}.agenda-card,.notice{grid-template-columns:1fr}.agenda-action,.notice form{grid-column:auto}.date-badge{width:58px}.footer{padding:20px 16px}.install-card{padding:24px}}
@media print{
  .sidebar,.topbar,.footer,.no-print,.alert,.grade-edit small{display:none!important}
  .main{margin:0}.content{padding:0}.panel{box-shadow:none;border:0;padding:0}.report-panel{display:block}.grade-edit{background:none;padding:0;color:#111}.table-wrap{overflow:visible;border-color:#bbb}body{background:#fff;color:#111}.student-summary{background:#fff;border:1px solid #ddd}.grade-table{min-width:0;font-size:10pt}
}


/* ==========================================================
   PREMIUM 20 + 15 — Login premium + acabamento/microinterações
   Compatível com a base PRO corrigida
   ========================================================== */
:root{
  --premium-blue:#2d2b92;
  --premium-blue-deep:#211f6c;
  --premium-blue-soft:#4b48bf;
  --premium-orange:#f28b2f;
  --premium-orange-soft:#ffae59;
  --premium-ink:#1d2340;
  --premium-muted:#747a91;
}

/* Acabamento global */
button,a,input,select,textarea{
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,
             background-color .18s ease,color .18s ease,opacity .18s ease;
}
.btn:active,button:active{transform:translateY(1px)}
.panel,.stat-card,.stat,.class-card,.agenda-card,.notice,.student-summary{
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.stat-card:hover,.stat:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 38px rgba(31,37,64,.09);
  border-color:#dfe2ee;
}
.class-card:hover,.agenda-card:hover,.notice:hover{
  border-color:#d9dcee;
  box-shadow:0 10px 26px rgba(31,37,64,.055);
}
tbody tr{transition:background-color .16s ease}
tbody tr:hover{background:#fafaff}
.alert{animation:premiumSlideIn .25s ease both}
@keyframes premiumSlideIn{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:none}
}

/* Login premium */
.premium-login-shell{background:#f8f9fd}
.premium-login-brand{
  position:relative;
  padding:64px;
  background:
    radial-gradient(circle at 82% 14%,rgba(242,139,47,.27),transparent 24%),
    radial-gradient(circle at 12% 88%,rgba(255,255,255,.08),transparent 22%),
    linear-gradient(145deg,var(--premium-blue-deep),var(--premium-blue) 58%,#4542b6);
}
.premium-login-brand:after{
  width:430px;height:430px;border:1px solid rgba(255,255,255,.10);
  background:rgba(242,139,47,.055);right:-170px;bottom:-180px;
}
.premium-orb{position:absolute;border-radius:50%;pointer-events:none}
.premium-orb-one{
  width:190px;height:190px;right:7%;top:19%;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08)
}
.premium-orb-two{
  width:150px;height:150px;left:-70px;bottom:16%;
  background:rgba(242,139,47,.08)
}
.premium-brand-copy{max-width:640px}
.premium-login-logo{
  width:128px!important;height:128px!important;
  filter:drop-shadow(0 14px 30px rgba(0,0,0,.18));
  margin-bottom:36px!important
}
.premium-login-brand h1{
  font-size:clamp(2.7rem,4.3vw,4.55rem);
  max-width:650px;line-height:1.01
}
.premium-login-brand p{line-height:1.75;max-width:520px}
.premium-login-points span{
  background:rgba(255,255,255,.075);
  backdrop-filter:blur(9px);
  font-weight:750;
  padding:9px 13px
}
.premium-brand-footer{
  position:absolute;left:64px;bottom:36px;z-index:2;
  color:rgba(255,255,255,.53);font-size:.72rem
}
.premium-login-form-wrap{
  background:
    radial-gradient(circle at 92% 8%,rgba(242,139,47,.09),transparent 23%),
    radial-gradient(circle at 9% 92%,rgba(45,43,146,.07),transparent 26%),
    #fafbfe;
}
.premium-login-card{
  width:min(470px,100%);padding:42px;border-radius:28px;
  box-shadow:0 30px 85px rgba(31,37,64,.12);
  border-color:rgba(45,43,146,.09)
}
.premium-login-card h2{font-size:2rem;margin-top:6px}
.premium-login-card>p{font-size:.92rem;margin-bottom:27px}
.premium-input-wrap{position:relative;display:flex;align-items:center}
.premium-input-wrap input{
  min-height:50px;padding-left:44px;padding-right:82px;
  border-radius:14px;background:#fcfcff;font-weight:600
}
.premium-input-icon{
  position:absolute;left:16px;z-index:2;color:#9297aa;font-weight:900
}
.premium-dot{font-size:.55rem}
.premium-password-toggle{
  position:absolute;right:8px;border:0;background:transparent;color:var(--premium-blue);
  padding:9px;font-size:.72rem;font-weight:850;cursor:pointer
}
.premium-password-toggle:hover,.premium-forgot-link:hover{color:var(--premium-orange)}
.premium-login-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px
}
.premium-safe-mini{font-size:.72rem;color:#78809a;font-weight:700}
.premium-forgot-link{
  border:0;background:transparent;padding:0;color:var(--premium-blue);
  font-size:.76rem;font-weight:850;cursor:pointer
}
.premium-login-submit{
  min-height:50px;display:flex;align-items:center;justify-content:center;gap:12px;
  box-shadow:0 13px 28px rgba(45,43,146,.20)
}
.premium-login-submit:hover{box-shadow:0 18px 36px rgba(45,43,146,.27)}
.premium-security-note{
  display:flex;gap:11px;align-items:center;margin-top:22px;padding:13px 14px;
  border:1px solid #e8e9f6;border-radius:14px;background:#f7f8ff
}
.premium-security-icon{
  width:28px;height:28px;display:grid;place-items:center;border-radius:50%;
  background:#e9ebff;color:var(--premium-blue);font-weight:900;flex:0 0 auto
}
.premium-security-note div{display:grid;gap:2px}
.premium-security-note strong{font-size:.78rem}
.premium-security-note small{font-size:.69rem;color:var(--premium-muted)}
.premium-forgot-dialog{
  border:0;padding:0;border-radius:24px;max-width:440px;width:calc(100% - 28px);
  box-shadow:0 35px 100px rgba(25,29,63,.30)
}
.premium-forgot-dialog::backdrop{background:rgba(24,27,58,.48);backdrop-filter:blur(4px)}
.premium-forgot-card{position:relative;padding:34px;text-align:center}
.premium-forgot-logo{width:76px;height:76px;object-fit:contain;margin-bottom:14px}
.premium-forgot-card h2{font-size:1.55rem;letter-spacing:-.035em;margin:5px 0 10px}
.premium-forgot-card p{
  color:var(--premium-muted);font-size:.88rem;line-height:1.65;margin:0 0 22px
}
.premium-dialog-close{
  position:absolute;right:14px;top:14px;width:34px;height:34px;border:0;border-radius:10px;
  background:#f1f2f6;color:#555d76;font-size:1.25rem;cursor:pointer
}

/* Feedback visual mais refinado */
input:focus,select:focus,textarea:focus{
  border-color:var(--blue-2);
  box-shadow:0 0 0 4px rgba(69,66,182,.095)
}
.btn.primary:hover{box-shadow:0 12px 26px rgba(45,43,146,.24)}
.btn.secondary:hover{box-shadow:0 12px 26px rgba(242,139,47,.24)}
.sidebar nav a{transition:background-color .18s ease,color .18s ease,transform .18s ease}
.sidebar nav a:hover{transform:translateX(2px)}
.grade-edit:hover{background:#eceefa;transform:translateY(-1px)}
.icon-close:hover{background:#e8e9ef;transform:rotate(3deg)}

@media(max-width:820px){
  .premium-login-card{padding:30px 25px;border-radius:24px}
  .premium-login-form-wrap{padding:18px}
  .premium-mobile-logo{display:block}
  .premium-mobile-logo img{
    width:92px;height:92px;filter:drop-shadow(0 8px 20px rgba(45,43,146,.12))
  }
}
@media(max-width:480px){
  .premium-login-card{padding:27px 20px}
  .premium-login-card h2{font-size:1.7rem}
  .premium-login-meta{align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* Ajustes para telas pequenas */
@media (max-width:1100px){
  .grid-form-list,.grid-2{grid-template-columns:minmax(0,1fr)}
  .grid-form-list>* , .grid-2>* , .panel , .form-stack , .form-grid>*{min-width:0}
  .table-wrap{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
}
@media (max-width:820px){
  .sidebar{width:min(84vw,300px);padding:20px 15px;box-shadow:18px 0 45px rgba(20,22,66,.22)}
  .sidebar nav a{min-height:46px}
  .topbar{min-height:78px;height:auto;padding:12px 16px;gap:10px}
  .topbar>div:first-of-type{min-width:0}
  .topbar h1{line-height:1.15;overflow-wrap:anywhere}
  .main,.content,.panel{min-width:0}
  .content{padding:18px 14px}
  .panel-head{flex-wrap:wrap;align-items:center}
  .panel-head>*{min-width:0}
  .toolbar label{min-width:0;flex:1 1 180px}
  .attendance-row{grid-template-columns:minmax(0,1fr) minmax(130px,165px)}
  .attendance-row>*{min-width:0}
}
@media (max-width:600px){
  .content{padding:14px 12px 24px}
  .panel{padding:16px;border-radius:18px}
  .grid-form-list,.grid-2,.form-grid,.stats-grid,.stats-grid.compact{grid-template-columns:minmax(0,1fr)}
  .topbar{padding:11px 12px}
  .topbar h1{font-size:1.22rem}
  .top-actions{flex:0 0 auto}
  .mobile-menu{flex:0 0 44px;width:44px;height:44px}
  input,select,textarea{min-width:0;max-width:100%;font-size:16px}
  .form-stack .btn.primary{min-height:44px}
  .btn{min-height:42px}
  .toolbar{padding:12px;gap:9px}
  .toolbar label,.toolbar .btn{flex:1 1 100%;width:100%}
  .class-card,.agenda-card,.notice{padding:14px}
  .class-card .actions{width:100%;justify-content:flex-start}
  .attendance-row{grid-template-columns:minmax(0,1fr);padding:12px}
  .attendance-row select,.attendance-row input{grid-column:auto;min-height:44px}
  .agenda-card,.notice{grid-template-columns:minmax(0,1fr)}
  .agenda-action,.notice form{grid-column:auto}
  .date-badge{width:52px}
  .empty{padding:26px 14px}
  .detail-list>div{flex-wrap:wrap;gap:5px}
  .dialog-card{padding:20px 16px}
  .footer{padding:16px 12px}
}

@media (max-width:600px){
  .table-wrap:has(table:not(.grade-table)){border:0;overflow:visible}
  .table-wrap table:not(.grade-table),
  .table-wrap table:not(.grade-table) tbody{display:block;width:100%;min-width:0}
  .table-wrap table:not(.grade-table) thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  .table-wrap table:not(.grade-table) tbody tr{display:block;margin:0 0 12px;padding:10px 14px;border:1px solid var(--line);border-radius:15px;background:#fff}
  .table-wrap table:not(.grade-table) tbody td{display:block;padding:8px 0;border:0;overflow-wrap:anywhere}
  .table-wrap table:not(.grade-table) tbody td+td{border-top:1px solid var(--line)}
  .table-wrap table:not(.grade-table) tbody td::before{content:attr(data-label);display:block;margin-bottom:3px;color:var(--muted);font-size:.67rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
  .table-wrap table:not(.grade-table) tbody td[data-label=""]::before{display:none}
  .table-wrap table:not(.grade-table) tbody td.actions{display:flex;justify-content:flex-start;gap:8px;flex-wrap:wrap}
}

.teacher-subjects{border:1px solid var(--line);border-radius:12px;padding:12px;margin:0;min-width:0}
.teacher-subjects legend{font-size:.78rem;font-weight:800;padding:0 5px}
.teacher-subjects small{display:block;margin-top:8px;color:var(--muted);font-size:.72rem}
.subject-choice{display:flex;flex-direction:row;align-items:center;gap:8px;cursor:pointer}
.subject-choice input{width:auto;accent-color:var(--blue);margin:0}