:root{
  --bg:#f5f7fb;
  --panel:#fff;
  --text:#1d2433;
  --muted:#6f7a8a;
  --line:#e5e9f0;
  --brand:#151a2e;
  --accent:#5d4ef5;
  --success:#168a56;
  --danger:#b83b3b;
  --warn:#b47608;
  --shadow:0 10px 30px rgba(19,29,52,.08);
  --radius:18px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}
.hidden{display:none!important}
.app-shell{min-height:100vh;display:flex}
.sidebar{width:250px;background:var(--brand);color:#fff;padding:22px 16px;position:fixed;left:0;top:0;bottom:0;display:flex;flex-direction:column;z-index:20}
.brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px}.brand-mark{width:42px;height:42px;border-radius:14px;background:#fff;color:var(--brand);display:grid;place-items:center;font-weight:900}.brand-title{font-weight:800;line-height:1.1}.brand-sub{font-size:12px;opacity:.65;margin-top:3px}
.nav{display:grid;gap:6px}.nav button{border:0;background:transparent;color:#dbe0ea;text-align:left;padding:12px 14px;border-radius:12px}.nav button:hover,.nav button.active{background:rgba(255,255,255,.11);color:#fff}.footer-side{margin-top:auto;font-size:12px;opacity:.55;padding:12px 8px}
.main{margin-left:250px;min-height:100vh;width:calc(100% - 250px);padding:28px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:6px 0 0;color:var(--muted)}
.user-pill{display:flex;align-items:center;gap:10px;background:var(--panel);padding:10px 14px;border-radius:999px;box-shadow:var(--shadow);font-size:14px}.avatar{width:34px;height:34px;border-radius:50%;background:#eef0ff;display:grid;place-items:center;color:var(--accent);font-weight:800}
.grid{display:grid;gap:18px}.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.two-col{grid-template-columns:1.1fr .9fr}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2,.card h3{margin:0 0 12px}.muted{color:var(--muted)}
.kpi{padding:20px}.kpi .label{font-size:13px;color:var(--muted)}.kpi .value{font-size:31px;font-weight:850;margin-top:8px}.kpi .hint{font-size:12px;color:var(--muted);margin-top:4px}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:14px}.toolbar-left,.toolbar-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:11px;padding:10px 14px}.btn:hover{background:#f4f6fa}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.success{background:var(--success);color:#fff;border-color:var(--success)}.btn.danger{background:#fff0f0;color:var(--danger);border-color:#ffd2d2}.btn.ghost{background:transparent}
.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 12px;background:#fff;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:#a9a1ff;box-shadow:0 0 0 4px rgba(93,78,245,.08)}.textarea{min-height:100px;resize:vertical}
.search{min-width:260px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse;min-width:820px}.table th,.table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.table th{background:#f8f9fc;color:#5d6676;position:sticky;top:0}.table tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:750}.badge.green{background:#eaf8f1;color:var(--success)}.badge.red{background:#fff0f0;color:var(--danger)}.badge.gray{background:#f0f2f5;color:#667085}.badge.purple{background:#eeedff;color:#5145d4}.badge.gold{background:#fff6dd;color:var(--warn)}
.empty{padding:28px;text-align:center;color:var(--muted)}
.overlay{position:fixed;inset:0;background:rgba(16,20,34,.45);display:grid;place-items:center;z-index:50;padding:20px}.modal{width:min(980px,96vw);max-height:92vh;overflow:auto;background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.2);padding:22px}.modal.small{width:min(500px,96vw)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-full{grid-column:1/-1}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}.section-title{font-weight:850;font-size:15px;margin:6px 0 0;grid-column:1/-1;padding-top:6px}.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.check{display:flex;align-items:center;gap:9px;border:1px solid var(--line);padding:10px;border-radius:11px}.subtle{font-size:12px;color:var(--muted)}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(460px,95vw);background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}.login-brand{text-align:center;margin-bottom:22px}.login-brand .brand-mark{margin:0 auto 12px}.error{background:#fff0f0;color:#9d3030;border:1px solid #ffd2d2;padding:10px 12px;border-radius:10px;margin:12px 0}
.notice{padding:12px 14px;border-radius:12px;background:#f3f4ff;color:#4640a3;border:1px solid #dedcff;margin-bottom:14px}.notice.warn{background:#fff9e9;color:#7f5d0d;border-color:#ffe0a0}
.toast{position:fixed;right:22px;bottom:22px;z-index:100;background:#1f2634;color:#fff;padding:12px 15px;border-radius:12px;box-shadow:var(--shadow);max-width:360px}.toast.ok{background:#1b7e55}.toast.err{background:#a93434}
@media (max-width:1050px){.sidebar{width:215px}.main{margin-left:215px;width:calc(100% - 215px)}.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col{grid-template-columns:1fr}}
@media (max-width:760px){.sidebar{position:static;width:100%;height:auto;padding:14px}.app-shell{display:block}.main{margin-left:0;width:100%;padding:16px}.nav{grid-template-columns:repeat(3,1fr)}.nav button{font-size:12px;padding:10px}.footer-side{display:none}.kpi-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.check-list{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}}

/* V0.3 — alta completa sin alterar el layout general */
.compact-grid{gap:12px}
.enrollment-card{border:1px solid var(--line);border-radius:15px;padding:15px;background:#fbfcff;margin-bottom:12px}
.enrollment-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}
.enrollment-head>div{display:flex;flex-direction:column;gap:3px}
.availability-box{border:1px dashed #cfd5e1;border-radius:11px;padding:10px 12px;background:#f7f8fb;color:#5f6978;font-size:12px}
.availability-box.warn{background:#fff9e9;border-color:#ffe0a0;color:#7f5d0d}
@media (max-width:760px){.enrollment-head{align-items:stretch;flex-direction:column}}

/* V0.4 — ficha de alumno, sin cambiar el layout base */
.profile-modal{width:min(1040px,96vw)}
.profile-header{display:flex;align-items:center;gap:18px;padding:4px 0 18px}
.profile-photo{width:88px;height:88px;border-radius:22px;object-fit:cover;border:1px solid var(--line);background:#eef0ff}
.profile-initials{display:grid;place-items:center;color:var(--accent);font-weight:900;font-size:26px}
.profile-main h2{margin:0 0 8px;font-size:24px}
.profile-status-row{display:flex;gap:7px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:14px}
.profile-block{box-shadow:none}
.profile-list{display:grid;gap:10px}
.profile-list>div{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:8px}
.profile-list>div:last-child{border-bottom:0;padding-bottom:0}
.profile-list span{color:var(--muted);font-size:13px}
.profile-list b{text-align:right;overflow-wrap:anywhere}
.profile-enrollment{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}
.profile-enrollment:last-child{border-bottom:0;padding-bottom:0}
.profile-meta{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap;text-align:right;font-size:13px;color:var(--muted)}
.profile-meta>span{padding:5px 8px;border-radius:9px;background:#f6f7fa}
@media (max-width:760px){
  .profile-grid{grid-template-columns:1fr}
  .profile-header{align-items:flex-start}
  .profile-enrollment{flex-direction:column}
  .profile-meta{justify-content:flex-start;text-align:left}
  .profile-list>div{align-items:flex-start;flex-direction:column;gap:3px}
  .profile-list b{text-align:left}
}

/* V0.5 — identidad visual + agenda */
:root{
  --brand:#171b3a;
  --accent:#6256e8;
  --accent-soft:#eeedff;
  --teal:#159a9c;
  --teal-soft:#e8f8f8;
}
.sidebar{background:linear-gradient(180deg,#171b3a 0%,#20265a 100%)}
.nav button.active{background:linear-gradient(90deg,rgba(98,86,232,.32),rgba(21,154,156,.18));box-shadow:inset 3px 0 0 #8d86ff}
.btn.primary{background:linear-gradient(135deg,#6256e8,#7168ef);border-color:#6256e8}
.card{box-shadow:0 10px 28px rgba(24,31,66,.07)}
.agenda-card{overflow:hidden}
.agenda-week-label{font-weight:800;color:#30375a;margin:4px 0 14px}
.agenda-scroll{overflow-x:auto;padding-bottom:4px}
.agenda-grid{display:grid;grid-template-columns:repeat(7,minmax(180px,1fr));gap:10px;min-width:1260px}
.agenda-day{background:#f8f9fd;border:1px solid #e1e5ef;border-radius:16px;padding:10px;min-height:300px}
.agenda-day.today{border-color:#8f87f5;box-shadow:0 0 0 3px rgba(98,86,232,.10)}
.agenda-day-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 10px;border-bottom:1px solid #e1e5ef;margin-bottom:8px}
.agenda-day-head>div{display:flex;flex-direction:column;gap:2px}
.agenda-day-head b{font-size:14px}
.agenda-day-head span{font-size:12px;color:var(--muted)}
.agenda-day-head strong{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:#ebeafd;color:#5148d0;font-size:12px}
.agenda-item{border-radius:13px;background:#fff;border:1px solid #dfe3ee;padding:11px;margin-bottom:9px;box-shadow:0 4px 14px rgba(24,31,66,.05);border-left:4px solid #6256e8}
.agenda-item.agenda-canto{border-left-color:#6256e8}
.agenda-item.agenda-guitarra{border-left-color:#159a9c}
.agenda-item.agenda-other{border-left-color:#d79a22}
.agenda-time{font-size:13px;font-weight:850;color:#343b5f;margin-bottom:5px}
.agenda-time span{font-weight:600;color:#7a8294}
.agenda-student{font-weight:800;font-size:14px;line-height:1.25}
.agenda-meta{font-size:12px;color:#6f788b;margin-top:4px;line-height:1.35}
.agenda-bottom{display:flex;align-items:center;justify-content:space-between;gap:7px;margin-top:9px;font-size:11px;color:#7a8294}
.agenda-bottom .badge{padding:4px 7px}
.agenda-empty{color:#929aac;text-align:center;padding:30px 8px;font-size:12px}
.availability-row{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.availability-row:last-child{border-bottom:0}
.availability-row>div{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.availability-row span{font-size:12px;padding:5px 8px;border-radius:9px;background:#f5f6fa;color:#646d80}
.availability-list{margin-top:6px}
@media(max-width:760px){
  .agenda-grid{min-width:1180px}
  .availability-row{align-items:flex-start;flex-direction:column}
}


/* V0.6 — asistencia */
.btn.small{padding:7px 9px;font-size:12px;border-radius:9px}
.attendance-card{overflow:hidden}
.attendance-grid{display:grid;grid-template-columns:repeat(7,minmax(250px,1fr));gap:10px;overflow-x:auto;min-width:1800px;padding-bottom:4px}
.attendance-day{background:#f8f9fd;border:1px solid #e1e5ef;border-radius:16px;padding:10px;min-height:280px}
.attendance-day.today{border-color:#8f87f5;box-shadow:0 0 0 3px rgba(98,86,232,.10)}
.attendance-day-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 10px;border-bottom:1px solid #e1e5ef;margin-bottom:8px}
.attendance-day-head>div{display:flex;flex-direction:column;gap:2px}.attendance-day-head span{font-size:12px;color:var(--muted)}
.attendance-day-head strong{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:#ebeafd;color:#5148d0;font-size:12px}
.attendance-item{background:#fff;border:1px solid #dfe3ee;border-left:4px solid #a6adba;border-radius:13px;padding:11px;margin-bottom:9px;box-shadow:0 4px 14px rgba(24,31,66,.05)}
.attendance-item.presente{border-left-color:#168a56}.attendance-item.ausente{border-left-color:#b83b3b}.attendance-item.justificado{border-left-color:#b47608}.attendance-item.suspendida{border-left-color:#6256e8}
.attendance-time{font-size:12px;font-weight:850;color:#343b5f}.attendance-time span{font-weight:600;color:#7a8294;margin-left:6px}
.attendance-student{font-size:14px;font-weight:850;margin-top:4px}.attendance-meta{font-size:12px;color:#6f788b;margin-top:3px}.attendance-confirm{font-size:11px;color:#7a8294;margin-top:8px}
.attendance-side{margin-top:10px;display:grid;gap:8px}.attendance-actions{display:flex;flex-wrap:wrap;gap:5px}.attendance-note{display:grid;grid-template-columns:1fr auto;gap:5px}.attendance-note .input{padding:8px 9px;font-size:12px}.attendance-kpis{margin-bottom:18px}
@media(max-width:760px){.attendance-grid{min-width:1750px}.attendance-item{padding:10px}.attendance-note{grid-template-columns:1fr}.attendance-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* V0.6.1 — asistencia más compacta en escritorio, sin zoom */
@media (min-width: 1051px){
  .attendance-card{padding:16px}
  .attendance-grid{
    grid-template-columns:repeat(7,minmax(0,1fr));
    min-width:0;
    overflow:visible;
    gap:8px;
  }
  .attendance-day{padding:8px;min-width:0}
  .attendance-day-head{padding:3px 3px 8px;margin-bottom:7px}
  .attendance-day-head b{font-size:13px}
  .attendance-day-head span{font-size:11px}
  .attendance-day-head strong{width:25px;height:25px;font-size:11px}
  .attendance-item{padding:9px;margin-bottom:7px;border-radius:11px}
  .attendance-time{font-size:11px}
  .attendance-student{font-size:13px}
  .attendance-meta{font-size:11px}
  .attendance-confirm{font-size:10px;margin-top:6px}
  .attendance-side{margin-top:8px;gap:6px}
  .attendance-actions{gap:4px}
  .attendance-actions .btn.small{padding:6px 7px;font-size:11px}
  .attendance-note{grid-template-columns:1fr;gap:4px}
  .attendance-note .btn.small{width:100%}
}


/* V0.7 — asistencia diaria y planilla individual */
.attendance-daily-card{padding:20px}
.attendance-date-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:4px 0 18px;padding:14px 16px;border:1px solid #e5e8f0;border-radius:15px;background:#f8f9fd}
.attendance-date-heading>div{display:flex;flex-direction:column;gap:3px}.attendance-date-heading b{text-transform:capitalize;font-size:18px}.attendance-date-heading span{font-size:12px;color:var(--muted)}
.attendance-summary-strip{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:14px}.attendance-summary-strip span{padding:7px 10px;border-radius:10px;background:#f6f7fa;color:#5f6878;font-size:12px}.attendance-summary-strip span:first-child{background:#eeedff;color:#5145d4}
.attendance-student-list{display:grid;gap:9px}
.attendance-student-card{width:100%;border:1px solid #dfe3ee;background:#fff;border-left:5px solid #a6adba;border-radius:14px;padding:13px 15px;text-align:left;display:flex;justify-content:space-between;align-items:center;gap:16px;box-shadow:0 4px 14px rgba(24,31,66,.05);transition:.15s ease}
.attendance-student-card:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(24,31,66,.08);border-color:#cfd5e5}
.attendance-student-card.presente{border-left-color:#168a56}.attendance-student-card.ausente{border-left-color:#b83b3b}.attendance-student-card.justificado{border-left-color:#b47608}.attendance-student-card.suspendida{border-left-color:#6256e8}
.attendance-student-card-main{min-width:0}.attendance-student-time{font-size:12px;font-weight:850;color:#343b5f}.attendance-student-name{font-size:16px;font-weight:850;margin-top:4px}.attendance-student-meta{font-size:12px;color:#6f788b;margin-top:3px}.attendance-student-card-side{display:flex;align-items:flex-end;flex-direction:column;gap:7px;flex-shrink:0}.attendance-confirm-mini{font-size:11px;color:#7a8294}
.attendance-modal{width:min(760px,96vw)}
.attendance-modal-header{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:2px 0 18px}.attendance-modal-header>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:12px;padding:11px 12px;display:flex;flex-direction:column;gap:3px}.attendance-modal-header b{text-transform:capitalize}
.attendance-modal-section{border-top:1px solid var(--line);padding-top:17px;margin-top:4px}.section-title-block{display:flex;justify-content:space-between;gap:10px;align-items:baseline;margin-bottom:12px}.section-title-block h3{margin:0;font-size:16px}.section-title-block span{font-size:12px;color:var(--muted)}
.attendance-status-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.attendance-status-option{border:1px solid #dfe3ee;background:#fff;border-radius:13px;padding:11px 8px;min-height:90px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#4f5868}.attendance-status-option b{font-size:18px;line-height:1}.attendance-status-option span{font-size:13px;font-weight:800}.attendance-status-option small{font-size:10px;color:#7a8294;text-align:center}.attendance-status-option.selected{box-shadow:0 0 0 2px rgba(98,86,232,.18);border-color:#8f87f5;background:#f8f7ff}.attendance-status-option.selected.presente{box-shadow:0 0 0 2px rgba(22,138,86,.16);border-color:#61bb91;background:#f4fcf8}.attendance-status-option.selected.ausente{box-shadow:0 0 0 2px rgba(184,59,59,.14);border-color:#e28f8f;background:#fff8f8}.attendance-status-option.selected.justificado{box-shadow:0 0 0 2px rgba(180,118,8,.14);border-color:#dcb66a;background:#fffaf0}.attendance-status-option.selected.suspendida{box-shadow:0 0 0 2px rgba(98,86,232,.16);border-color:#9b94ef;background:#f8f7ff}.attendance-status-option.selected.pendiente{box-shadow:0 0 0 2px rgba(102,112,133,.14);border-color:#b9c0cb;background:#fafbfc}
.two-col-attendance{display:grid;grid-template-columns:.8fr 1.2fr;gap:14px}.attendance-modal-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
@media(max-width:760px){.attendance-date-heading{align-items:flex-start;flex-direction:column}.attendance-student-card{align-items:flex-start;flex-direction:column}.attendance-student-card-side{align-items:flex-start}.attendance-modal-header{grid-template-columns:1fr}.attendance-status-options{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col-attendance{grid-template-columns:1fr}.attendance-modal-footer{align-items:flex-start;flex-direction:column}.attendance-modal-footer .toolbar-right{width:100%}.attendance-modal-footer .toolbar-right .btn{flex:1}}


/* V0.8 — suspensiones, reprogramaciones y recuperaciones */
.adjustment-modal{width:min(820px,96vw)}
.adjustment-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:4px 0 18px}
.adjustment-summary>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:12px;padding:11px 12px;display:flex;flex-direction:column;gap:4px}
.adjustment-summary span{font-size:11px;color:var(--muted)}
.adjustment-summary b{font-size:14px}
.adjustment-section{border-top:1px solid var(--line);padding-top:17px;margin-top:4px}
.adjustment-state-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.adjustment-state-option{border:1px solid #dfe3ee;background:#fff;border-radius:13px;padding:11px 8px;min-height:78px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:#4f5868}
.adjustment-state-option b{font-size:18px;line-height:1}.adjustment-state-option span{font-size:12px;font-weight:800;text-align:center}
.adjustment-state-option.selected{box-shadow:0 0 0 2px rgba(98,86,232,.18);border-color:#8f87f5;background:#f8f7ff}
.adjustment-history{padding-top:12px;margin-top:6px}
.adjustment-overview{margin-top:16px;box-shadow:none}
.adjustment-overview-list{display:grid;gap:8px}
.adjustment-overview-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.adjustment-overview-row:last-child{border-bottom:0}.adjustment-overview-row>div:first-child{display:flex;flex-direction:column;gap:3px}.adjustment-overview-row span{font-size:12px;color:var(--muted)}
@media(max-width:760px){.adjustment-summary{grid-template-columns:1fr}.adjustment-state-options{grid-template-columns:repeat(2,minmax(0,1fr))}.adjustment-overview-row{align-items:flex-start;flex-direction:column}.adjustment-overview-row .toolbar-right{width:100%}.adjustment-overview-row .toolbar-right .btn{flex:1}}


/* V0.9 — cuotas y pagos */
.payments-kpis .money-value{font-size:24px}
.payment-alias-box{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border:1px solid #dfe3ee;border-radius:14px;background:#f8f9fd}
.payment-alias-box>div{display:flex;flex-direction:column;gap:4px}.payment-alias-box span{font-size:11px;color:var(--muted)}.payment-alias-box b{font-size:18px;letter-spacing:.2px}
.payments-top-grid{align-items:stretch}.payments-table{min-width:920px}.payments-table td{vertical-align:middle}
.payment-modal{width:min(720px,96vw)}
.payment-modal-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:4px 0 18px}.payment-modal-summary>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:12px;padding:11px 12px;display:flex;flex-direction:column;gap:4px}.payment-modal-summary span{font-size:11px;color:var(--muted)}.payment-modal-summary b{font-size:14px}
.payment-modal-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.fee-rule-list{display:grid;gap:8px}.fee-rule-list>div{padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#fafbfe}.fee-rule-list b{display:block;font-size:12px}.fee-rule-list span{font-size:12px;color:var(--muted)}
@media(max-width:760px){.payment-modal-summary{grid-template-columns:1fr}.payment-alias-box{align-items:flex-start;flex-direction:column}.payments-top-grid{grid-template-columns:1fr}.payment-modal-footer{align-items:stretch;flex-direction:column}.payment-modal-footer .toolbar-right{width:100%}.payment-modal-footer .btn{width:100%}}


/* V1.0 — liquidaciones de profesores */
.settlement-kpis{grid-template-columns:repeat(5,minmax(0,1fr))}.settlement-kpis .money-value{font-size:24px}
.settlement-grid{display:grid;gap:16px;margin-top:18px}
.settlement-card{padding:20px}
.settlement-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.settlement-card-head h3{margin:0 0 5px}
.settlement-numbers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px}
.settlement-numbers>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:13px;padding:12px;display:flex;flex-direction:column;gap:4px}
.settlement-numbers span{font-size:11px;color:var(--muted)}.settlement-numbers b{font-size:18px}
.settlement-detail-list{display:grid;gap:8px;margin-top:16px}
.settlement-detail-list>div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.settlement-detail-list>div:last-child{border-bottom:0}.settlement-detail-list>div>div{display:flex;flex-direction:column;gap:3px}.settlement-detail-list span{font-size:12px;color:var(--muted)}
.settlement-rules-card{margin-top:18px}
.comp-rule-list{display:grid;gap:8px;margin-top:8px}.comp-rule-row{display:flex;justify-content:space-between;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:10px 0}.comp-rule-row:last-child{border-bottom:0}.comp-rule-row>div:first-child{display:flex;flex-direction:column;gap:3px}.comp-rule-row span{font-size:12px;color:var(--muted)}
@media(max-width:1050px){.settlement-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.settlement-numbers{grid-template-columns:1fr}.settlement-card-head{align-items:flex-start;flex-direction:column}.settlement-detail-list>div{align-items:flex-start}.comp-rule-row{align-items:flex-start;flex-direction:column}.comp-rule-row .row-actions{width:100%}.comp-rule-row .btn{flex:1}}
.teacher-rule-entry{display:grid;grid-template-columns:minmax(180px,1fr) 130px 130px auto;gap:8px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px;margin-top:8px;background:#fafbff}.teacher-rule-entry + .teacher-rule-entry{margin-top:8px}@media (max-width:760px){.teacher-rule-entry{grid-template-columns:1fr 110px;}.teacher-rule-entry .tr-academy{grid-column:1}.teacher-rule-entry .tr-remove{grid-column:2;grid-row:2}}


/* V1.1.1 — alta de profesor visible */
.teacher-top-card{margin-bottom:14px}
.teacher-new-btn{font-size:14px;font-weight:850;padding:11px 16px}
.teacher-add-box{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 15px;border:1px dashed #cfd5e5;border-radius:13px;background:#f8f9fd}
@media(max-width:760px){.teacher-add-box{align-items:flex-start;flex-direction:column}.teacher-add-box .btn{width:100%}}

.teacher-discipline-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
@media(max-width:760px){.teacher-discipline-actions{flex-direction:column}.teacher-discipline-actions .btn{width:100%}}

/* V1.4 — Panel Director / dashboard operativo */
.dashboard-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 24px;margin-bottom:18px;border-radius:22px;background:linear-gradient(135deg,#171c33 0%,#312c68 58%,#5d4ef5 100%);color:#fff;box-shadow:0 16px 35px rgba(29,34,67,.18)}
.dashboard-hero h2{margin:5px 0 4px;font-size:27px;letter-spacing:-.3px}.dashboard-hero p{margin:0;color:rgba(255,255,255,.75);text-transform:capitalize}.dashboard-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:1.4px;opacity:.68;font-weight:850}.dashboard-hero-actions{display:flex;gap:8px;flex-wrap:wrap}.dashboard-hero-actions .btn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.18);color:#fff}.dashboard-hero-actions .btn.primary{background:#fff;color:#2f2a75;border-color:#fff}
.dashboard-kpis{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.dashboard-kpi{border:1px solid var(--line);text-align:left;width:100%;padding:18px;position:relative;overflow:hidden;transition:.15s ease}.dashboard-kpi:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(24,31,66,.1)}.dashboard-kpi:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent)}.dashboard-kpi .dash-kpi-icon{font-size:19px;display:block;margin-bottom:10px}.dashboard-kpi .value{font-size:30px}.dashboard-kpi .value.money{font-size:23px;white-space:nowrap}.dashboard-kpi.accent-purple{--accent:#6b5cf6}.dashboard-kpi.accent-blue{--accent:#4582e8}.dashboard-kpi.accent-gold{--accent:#d39a29}.dashboard-kpi.accent-green{--accent:#28a36b}
.dashboard-main-grid{grid-template-columns:1.25fr .75fr;margin-bottom:18px}.dashboard-lower-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:18px}.dashboard-lower-grid:last-child{margin-bottom:0}
.dashboard-classes-card,.dashboard-att-card{min-height:100%}.dash-list{display:grid;gap:7px}.dash-list-row{width:100%;border:1px solid #e3e7ef;background:#fff;border-radius:12px;padding:11px 13px;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left}.dash-list-row:hover{background:#fafbff;border-color:#cdd3e2}.dash-list-row>div:first-child{display:flex;flex-direction:column;gap:3px;min-width:0}.dash-list-row span{font-size:12px;color:var(--muted)}.dash-row-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.dash-more{font-size:12px;color:var(--muted);padding-top:10px}.dashboard-att-card .toolbar{margin-bottom:16px}.dashboard-progress{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;margin-bottom:14px}.progress-track{height:10px;background:#eceff5;border-radius:99px;overflow:hidden;flex:1}.progress-track span{display:block;height:100%;background:linear-gradient(90deg,#5d4ef5,#29a36f);border-radius:99px}.dashboard-status-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.dashboard-status-grid>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:12px;padding:11px 12px;display:flex;justify-content:space-between;gap:10px}.dashboard-status-grid span{font-size:11px;color:var(--muted)}.dashboard-status-grid b{font-size:15px}.dashboard-note{margin-top:12px;padding:11px 12px;border-radius:12px;background:#f4f5ff;color:#5b5f73;font-size:12px}
.dashboard-finance{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.dashboard-finance>div{background:#f8f9fd;border:1px solid #e5e8f0;border-radius:12px;padding:11px 12px;display:flex;flex-direction:column;gap:4px}.dashboard-finance span{font-size:11px;color:var(--muted)}.dashboard-finance b{font-size:17px}.dash-birthday-list,.dash-mini-list{display:grid;gap:8px}.birthday-row{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid #eee8ff;background:#fbfaff;border-radius:12px}.birthday-avatar{width:34px;height:34px;border-radius:11px;background:#eeeaff;color:#584be2;display:grid;place-items:center;font-weight:850}.birthday-row>div:last-child{display:flex;flex-direction:column;gap:2px}.birthday-row span{font-size:12px;color:var(--muted)}.dash-mini-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.dash-mini-row:last-child{border-bottom:0}.dash-mini-row>div:first-child{display:flex;flex-direction:column;gap:3px;min-width:0}.dash-mini-row span{font-size:12px;color:var(--muted)}.dash-mini-row strong{white-space:nowrap}.dashboard-quick-card{display:flex;flex-direction:column}.quick-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.quick-actions .btn{width:100%}
@media(max-width:1100px){.dashboard-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-main-grid{grid-template-columns:1fr}.dashboard-lower-grid{grid-template-columns:1fr 1fr}.dashboard-finance{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.dashboard-hero{align-items:flex-start;flex-direction:column;padding:18px}.dashboard-hero h2{font-size:23px}.dashboard-hero-actions{width:100%}.dashboard-hero-actions .btn{flex:1}.dashboard-kpis{grid-template-columns:1fr}.dashboard-lower-grid{grid-template-columns:1fr}.dash-row-right{align-items:flex-end;flex-direction:column;gap:5px}.dashboard-finance{grid-template-columns:1fr 1fr}}
\n\n/* V1.5 — Portal alumno */\n.student-portal{min-height:100vh;background:#f5f6fb;color:#20243a}.student-topbar{height:74px;background:#fff;border-bottom:1px solid #e2e5ee;display:flex;justify-content:space-between;align-items:center;padding:12px 26px;position:sticky;top:0;z-index:20}.student-brand{display:flex;align-items:center;gap:11px}.student-brand>div:last-child{display:flex;flex-direction:column;gap:2px}.student-brand b{font-size:16px}.student-brand span{font-size:11px;color:var(--muted)}.student-user{display:flex;align-items:center;gap:10px}.student-user>div:nth-child(2){display:flex;flex-direction:column;gap:2px}.student-user span{font-size:11px;color:var(--muted)}.student-main{max-width:1180px;margin:0 auto;padding:24px}.student-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:28px;margin-bottom:18px;border-radius:22px;background:linear-gradient(135deg,#171c33 0%,#312c68 58%,#5d4ef5 100%);color:#fff}.student-hero h1{margin:6px 0 5px;font-size:30px}.student-hero p{margin:0;color:rgba(255,255,255,.74)}.student-hero>.student-user{} .student-hero>.student-user,.student-hero>.student-avatar,.student-hero>.student-avatar-fallback{margin-left:auto}.student-grid-hero{display:grid;grid-template-columns:1.4fr .6fr;gap:16px}.student-grid-two{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.student-card{padding:20px}.student-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.student-card-head h3{margin:0 0 3px}.student-card-head span{font-size:12px;color:var(--muted)}.student-next-class{display:flex;align-items:center;gap:15px}.student-next-icon{width:50px;height:50px;border-radius:15px;background:#eeeaff;display:grid;place-items:center;font-size:23px}.student-next-class>div:last-child{display:flex;flex-direction:column;gap:4px}.student-next-class span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.student-next-class b{font-size:21px}.student-next-class small{font-size:12px;color:#62677a}.student-price{display:block;font-size:31px;line-height:1.1;margin:10px 0 14px}.student-alias{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 12px;border:1px solid #e1e5ee;border-radius:12px;background:#fafbfe}.student-alias span{font-size:11px;color:var(--muted)}.student-actions-inline{display:flex;gap:8px;margin-top:10px}.student-actions-inline .btn{flex:1}.student-list{display:grid;gap:8px}.student-enroll-row,.student-material-row,.student-mini-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}.student-enroll-row:last-child,.student-material-row:last-child,.student-mini-row:last-child{border-bottom:0}.student-enroll-row>div,.student-material-row>div,.student-mini-row>div{display:flex;flex-direction:column;gap:3px}.student-enroll-row span,.student-material-row span,.student-mini-row span{font-size:12px;color:var(--muted)}.student-profile-summary{display:grid;grid-template-columns:1fr 1fr;gap:9px}.student-profile-summary>div{padding:11px 12px;background:#fafbfe;border:1px solid #e5e8f0;border-radius:11px}.student-profile-summary span{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}.student-profile-summary b{font-size:13px;overflow-wrap:anywhere}.student-avatar,.student-avatar-img{width:44px;height:44px;border-radius:14px;object-fit:cover;flex:none}.student-avatar-fallback{background:#eeeaff;color:#594ce0;display:grid;place-items:center;font-weight:850}.student-hero .student-avatar,.student-hero .student-avatar-img{width:78px;height:78px;border-radius:22px;border:2px solid rgba(255,255,255,.22)}.student-birthday{display:flex;align-items:center;gap:12px;padding:13px 15px;margin-bottom:16px;border-radius:14px;background:#fff9e9;border:1px solid #f2dfae}.student-birthday div{display:flex;flex-direction:column;gap:2px}.student-birthday span{font-size:12px;color:#6f6a57}.student-footer-note{font-size:12px;color:var(--muted);padding:4px 4px 18px}.student-photo-editor{display:flex;align-items:center;gap:14px;margin-bottom:16px}.student-photo-editor>div:last-child{display:flex;flex-direction:column}.student-profile-modal{max-width:700px}.student-view-btn{margin-top:10px;width:100%}\n@media(max-width:900px){.student-grid-hero,.student-grid-two{grid-template-columns:1fr}}\n@media(max-width:650px){.student-main{padding:15px}.student-topbar{padding:10px 14px;height:auto}.student-user>div:nth-child(2){display:none}.student-hero{padding:21px}.student-hero h1{font-size:24px}.student-profile-summary{grid-template-columns:1fr}.student-actions-inline{flex-direction:column}.student-next-class b{font-size:18px}}\n
/* V1.6 — acceso alumno por DNI + PIN */
.login-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:0 0 16px;padding:4px;background:#f3f4f8;border:1px solid var(--line);border-radius:13px}
.login-switch-btn{border:0;background:transparent;color:#697286;border-radius:10px;padding:10px 9px;font-weight:800;font-size:13px}
.login-switch-btn.active{background:#fff;color:#4b43c7;box-shadow:0 2px 8px rgba(25,30,55,.08)}
.student-login-card{max-width:480px}

/* V1.8 — Portal alumno optimizado para celulares + foto de perfil más grande */
.student-portal{width:100%;max-width:100vw;overflow-x:hidden}
.student-main{width:100%;max-width:1180px}
.student-topbar{width:100%;min-width:0}
.student-hero{min-width:0}
.student-hero .student-avatar,.student-hero .student-avatar-img{width:104px;height:104px;border-radius:28px}
.student-user{min-width:0}
.student-user>div:nth-child(2){min-width:0}.student-user>div:nth-child(2) b{overflow-wrap:anywhere}
.student-card,.student-grid-two,.student-grid-hero{min-width:0}
.student-list,.student-profile-summary,.student-enroll-row,.student-material-row,.student-mini-row{min-width:0}

@media(max-width:650px){
  .student-topbar{padding:10px 12px;gap:10px;flex-wrap:wrap}
  .student-brand{min-width:0;flex:1 1 180px}
  .student-brand .brand-mark{width:40px;height:40px;border-radius:13px}
  .student-brand b{font-size:15px}
  .student-user{flex:0 1 auto;margin-left:auto;gap:8px}
  .student-user .student-avatar,.student-user .student-avatar-img{width:58px;height:58px;border-radius:18px}
  .student-user>div:nth-child(2){display:none}
  .student-user .btn{padding:9px 11px}
  .student-main{padding:12px}
  .student-hero{padding:18px;border-radius:18px;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
  .student-hero>div:first-child{width:100%}
  .student-hero .student-avatar,.student-hero .student-avatar-img{width:96px;height:96px;border-radius:26px;align-self:center;margin-left:0}
  .student-hero h1{font-size:23px;line-height:1.15}
  .student-hero p{font-size:13px;line-height:1.45}
  .student-grid-hero,.student-grid-two{grid-template-columns:1fr;gap:12px;margin-top:12px}
  .student-card{padding:16px;border-radius:16px}
  .student-card-head{align-items:flex-start;gap:10px;margin-bottom:13px}
  .student-card-head h3{font-size:16px}
  .student-next-class{align-items:flex-start;gap:12px}
  .student-next-icon{width:44px;height:44px;border-radius:13px;flex:0 0 44px}
  .student-next-class b{font-size:17px;line-height:1.25}
  .student-next-class small{font-size:11px;line-height:1.35}
  .student-price{font-size:28px}
  .student-actions-inline{flex-direction:row;gap:7px}
  .student-actions-inline .btn{min-width:0;padding:10px 9px;font-size:13px}
  .student-material-row,.student-enroll-row,.student-mini-row{align-items:flex-start;gap:10px;flex-wrap:wrap}
  .student-material-row .btn{width:100%}
  .student-profile-summary{grid-template-columns:1fr}
  .student-birthday{padding:12px 13px}
  .student-footer-note{font-size:11px;line-height:1.45}
}

@media(max-width:390px){
  .student-main{padding:9px}
  .student-topbar{padding:9px 10px}
  .student-hero{padding:16px}
  .student-hero .student-avatar,.student-hero .student-avatar-img{width:88px;height:88px}
  .student-actions-inline{flex-direction:column}
  .student-actions-inline .btn{width:100%}
  .student-card{padding:14px}
}

/* V1.9 — Personalización de la academia */
.academy-logo{width:42px;height:42px;border-radius:14px;object-fit:contain;background:#fff;flex:none}
.brand-upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.brand-upload-box{border:1px solid var(--line);border-radius:14px;padding:13px;background:#fafbfe;display:grid;gap:9px;align-content:start}
.brand-preview-logo{height:105px;border:1px dashed #d7dbe6;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden}
.brand-preview-logo img{max-width:100%;max-height:100%;object-fit:contain}
.brand-preview-cover{height:105px;border:1px dashed #d7dbe6;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden}
.brand-preview-cover img{width:100%;height:100%;object-fit:cover}
.color-field{display:grid;grid-template-columns:54px 1fr;gap:8px;align-items:center}
.color-field input[type=color]{width:54px;height:44px;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:hidden}
.portal-notice{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;margin-bottom:16px;border-radius:15px;background:#fff9e9;border:1px solid #f2dfae;color:#625733}
.portal-notice-icon{font-size:22px;line-height:1.1}
.portal-notice>div:last-child{display:flex;flex-direction:column;gap:4px}
.portal-notice span{font-size:13px;line-height:1.45;color:#746a4a}
.student-brand-logo{width:42px;height:42px;border-radius:14px;object-fit:contain;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.06);flex:none}
.brand-preview-modal{width:min(760px,96vw)}
.brand-preview-frame{width:min(390px,100%);margin:0 auto;padding:12px;border:1px solid #e4e7ef;border-radius:24px;box-shadow:0 16px 45px rgba(20,26,45,.12);min-height:560px}
.preview-top{display:flex;align-items:center;gap:10px;padding:4px 3px 12px;font-size:14px}
.preview-top img{width:38px;height:38px;border-radius:12px;object-fit:contain;background:#fff}
.preview-cover{display:block;width:100%;height:120px;object-fit:cover;border-radius:16px;margin-bottom:12px}
.preview-welcome{padding:18px;border-radius:18px}
.preview-welcome small{font-size:10px;opacity:.8;letter-spacing:.8px}
.preview-welcome h3{margin:6px 0;font-size:21px}
.preview-welcome p{margin:0;line-height:1.45;font-size:13px;color:rgba(255,255,255,.82)}
@media(max-width:760px){.brand-upload-grid{grid-template-columns:1fr}.color-field{grid-template-columns:48px 1fr}.color-field input[type=color]{width:48px}}

/* V2.0 — Identidad visual AB / estudio musical */
:root{
  --accent-2:#10d6c1;
  --accent-3:#f3c96b;
  --ink-dark:#07101f;
  --glass:rgba(255,255,255,.78);
  --glass-strong:rgba(255,255,255,.9);
}

html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  isolation:isolate;
  position:relative;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    linear-gradient(180deg,rgba(4,10,24,.18),rgba(255,255,255,.24)),
    url('assets/ab-studio-bg.jpg') center top/cover no-repeat;
  opacity:.30;
  z-index:-2;
  pointer-events:none;
}
body::after{
  content:"♪   ♫";
  position:fixed;
  right:4vw;
  bottom:3vh;
  color:rgba(16,214,193,.12);
  font-size:72px;
  letter-spacing:26px;
  transform:rotate(-8deg);
  z-index:-1;
  pointer-events:none;
}

/* Login / acceso */
.login-screen{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:28px;
  background:
    linear-gradient(180deg,rgba(2,8,20,.18),rgba(2,8,20,.62)),
    url('assets/ab-studio-bg.jpg') center/cover fixed;
}
.login-card{
  width:min(520px,96vw);
  padding:34px;
  color:#f6f8ff;
  background:linear-gradient(180deg,rgba(6,17,34,.80),rgba(7,18,35,.91));
  border:1px solid rgba(146,200,255,.30);
  box-shadow:0 28px 90px rgba(0,0,0,.38),0 0 0 1px rgba(16,214,193,.08) inset;
  backdrop-filter:blur(18px) saturate(125%);
  -webkit-backdrop-filter:blur(18px) saturate(125%);
  position:relative;
  overflow:hidden;
}
.login-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,#1d5cff,var(--accent-2),var(--accent-3));
}
.login-card .brand-mark{
  width:76px;height:76px;border-radius:24px;
  background:url('assets/ab-emblem.jpg') center/cover no-repeat;
  border:1px solid rgba(255,255,255,.26);
  box-shadow:0 12px 35px rgba(0,0,0,.24);
  color:transparent;
  position:relative;
}
.login-card .brand-mark::after{
  content:"";
  position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(16,214,193,.12);
}
.login-brand h1{
  font-family:Georgia,"Times New Roman",serif;
  letter-spacing:-.02em;
  color:#fff;
}
.login-brand .muted{color:rgba(240,246,255,.72)}
.login-card .field label{color:#e9f0ff}
.login-card .input,.login-card .select,.login-card .textarea{
  background:rgba(7,20,39,.64);
  color:#f7fbff;
  border-color:rgba(156,194,235,.34);
}
.login-card .input::placeholder,.login-card .textarea::placeholder{color:rgba(201,215,235,.62)}
.login-card .input:focus,.login-card .select:focus,.login-card .textarea:focus{
  border-color:var(--accent-2);
  box-shadow:0 0 0 4px rgba(16,214,193,.12),0 0 22px rgba(29,92,255,.12);
}
.login-card .btn.ghost{color:#e4ecfb;border-color:rgba(155,183,215,.28);background:rgba(255,255,255,.04)}
.login-card .notice{background:rgba(30,67,111,.32);border-color:rgba(99,160,220,.26);color:#deebff}
.login-card .subtle{color:rgba(207,220,239,.68)}
.login-switch{background:rgba(255,255,255,.07);border-color:rgba(156,194,235,.22)}
.login-switch-btn{color:rgba(221,232,248,.70)}
.login-switch-btn.active{background:linear-gradient(135deg,#1d5cff,var(--accent-2));color:#fff;box-shadow:0 8px 22px rgba(29,92,255,.24)}
.login-card .error{background:rgba(122,28,45,.34);border-color:rgba(255,144,164,.28);color:#ffd6df}

/* Shell Director */
.app-shell{position:relative}
.sidebar{
  background:
    linear-gradient(180deg,rgba(4,11,28,.98),rgba(10,30,54,.97) 56%,rgba(5,50,55,.96));
  border-right:1px solid rgba(130,174,226,.14);
  box-shadow:12px 0 40px rgba(3,9,22,.17);
}
.sidebar::after{
  content:"🎙️";
  position:absolute;
  right:18px;
  bottom:64px;
  font-size:42px;
  opacity:.08;
  transform:rotate(-8deg);
  pointer-events:none;
}
.brand{padding-bottom:24px}
.brand-mark{box-shadow:0 10px 25px rgba(0,0,0,.20)}
.brand-title{letter-spacing:.01em}
.nav button{
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.nav button:hover{transform:translateX(2px);background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.07)}
.nav button.active{
  background:linear-gradient(90deg,rgba(29,92,255,.42),rgba(16,214,193,.16));
  border-color:rgba(120,187,255,.16);
  box-shadow:inset 3px 0 0 #35d6ff,0 8px 22px rgba(8,25,56,.22);
}
.footer-side{color:rgba(232,240,252,.64)}
.main{padding:26px 28px 40px}
.topbar{margin-bottom:20px}
.topbar h1{font-family:Georgia,"Times New Roman",serif;font-size:30px;letter-spacing:-.02em}
.user-pill{
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.78);
  box-shadow:0 12px 30px rgba(9,24,48,.11);
  backdrop-filter:blur(12px);
}
.card{
  background:var(--glass);
  border-color:rgba(255,255,255,.80);
  box-shadow:0 14px 36px rgba(12,28,54,.09),0 0 0 1px rgba(90,151,210,.05) inset;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.card h2,.card h3{font-family:Georgia,"Times New Roman",serif}
.kpi{position:relative;overflow:hidden}
.kpi::after{
  content:"";position:absolute;right:-28px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,214,193,.13),transparent 70%);
}
.btn{
  border-color:rgba(110,140,176,.26);
  background:rgba(255,255,255,.88);
  box-shadow:0 4px 12px rgba(9,23,46,.04);
  transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(9,23,46,.09)}
.btn.primary{
  background:linear-gradient(135deg,#1f5cff,#12cfc2);
  border-color:transparent;
  box-shadow:0 10px 24px rgba(29,92,255,.22);
}
.btn.success{background:linear-gradient(135deg,#0ea866,#0fbe83);border-color:transparent}
.btn.danger{background:rgba(255,240,242,.88)}
.input,.select,.textarea{
  background:rgba(255,255,255,.92);
  border-color:rgba(110,140,176,.25);
}
.input:focus,.select:focus,.textarea:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent);
}
.table-wrap{background:rgba(255,255,255,.74)}
.table th{background:linear-gradient(180deg,rgba(247,250,255,.95),rgba(241,246,252,.86))}
.modal{
  background:rgba(252,254,255,.96);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 35px 100px rgba(0,0,0,.24);
}
.overlay{background:rgba(3,10,22,.54);backdrop-filter:blur(3px)}

/* Agenda / asistencia / pagos / liquidaciones: acentos más ricos */
.agenda-day.today{box-shadow:0 0 0 3px rgba(29,92,255,.12),0 12px 25px rgba(29,92,255,.08)}
.agenda-card .badge.green,.badge.green{box-shadow:inset 0 0 0 1px rgba(22,138,86,.08)}
.dashboard-mini-list,.dash-mini-list{border-radius:14px}

/* Portal del alumno */
.student-portal{
  background:var(--bg);
  min-height:100vh;
  position:relative;
  isolation:isolate;
}
.student-portal::before{
  content:"";
  position:fixed;inset:0;
  background:url('assets/ab-studio-bg.jpg') center/cover no-repeat;
  opacity:.22;z-index:-1;pointer-events:none;
}
.student-topbar{
  background:rgba(6,17,34,.82);
  border-bottom-color:rgba(148,194,232,.16);
  color:#fff;
  box-shadow:0 10px 28px rgba(4,12,25,.14);
  backdrop-filter:blur(16px);
}
.student-topbar .btn{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.18);color:#fff}
.student-brand b{color:#fff}.student-brand span{color:rgba(232,241,252,.68)}
.student-user span{color:rgba(232,241,252,.68)}
.student-hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(135deg,rgba(4,16,39,.96),rgba(15,50,86,.90) 50%,rgba(9,137,131,.84)),
    url('assets/ab-studio-bg.jpg') center/cover;
  border:1px solid rgba(145,205,255,.18);
  box-shadow:0 20px 55px rgba(5,17,35,.22);
}
.student-hero::after{
  content:"🎙️";
  position:absolute;right:24px;bottom:-14px;font-size:88px;opacity:.08;transform:rotate(-10deg);pointer-events:none
}
.student-card{background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.88)}
.student-next-icon{background:linear-gradient(135deg,rgba(29,92,255,.12),rgba(16,214,193,.16))}
.student-profile-summary>div{background:rgba(249,252,255,.78)}

/* Logo de academia en todo lugar */
.academy-logo{box-shadow:0 6px 18px rgba(3,15,32,.12);border:1px solid rgba(255,255,255,.66)}
.student-brand-logo{box-shadow:0 5px 18px rgba(3,15,32,.18);border:1px solid rgba(255,255,255,.40)}

@media(max-width:1050px){
  .main{padding:22px}
}
@media(max-width:760px){
  body::before{opacity:.20;background-position:52% top}
  .login-screen{padding:14px;background-position:52% top}
  .login-card{padding:24px 20px;border-radius:22px}
  .login-card .brand-mark{width:66px;height:66px;border-radius:21px}
  .main{padding:14px 14px 28px}
  .user-pill{width:100%;justify-content:space-between}
  .sidebar{box-shadow:none}
  .student-topbar{position:sticky}
}

/* V2.1 — renovación visual + acceso alumno primero */
:root{
  --modern-radius:18px;
  --modern-shadow:0 12px 35px rgba(22,28,55,.08);
  --modern-shadow-hover:0 18px 42px rgba(22,28,55,.13);
}
body{background:linear-gradient(180deg,#f7f8fc 0%,var(--bg,#f5f7fb) 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.card{border:1px solid rgba(34,43,72,.075);border-radius:var(--modern-radius);box-shadow:var(--modern-shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{box-shadow:var(--modern-shadow-hover);border-color:rgba(93,78,245,.14)}
.btn{border-radius:12px;min-height:40px;font-weight:750;letter-spacing:-.1px;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.btn.primary{box-shadow:0 7px 18px rgba(93,78,245,.18)}
.input,.select,.textarea{border-radius:12px;border-color:#dfe3ed;background:#fff;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent);outline:none}
.sidebar{box-shadow:10px 0 35px rgba(22,28,55,.07);border-right:1px solid rgba(34,43,72,.07)}
.topbar{background:rgba(255,255,255,.78);backdrop-filter:blur(14px);border:1px solid rgba(34,43,72,.06);border-radius:16px;padding:12px 16px;box-shadow:0 8px 28px rgba(22,28,55,.055)}
.table-wrap{border-radius:16px}
.table thead th{background:#f7f8fc}
.badge{border-radius:999px;font-weight:800}

/* Acceso principal: alumno */
.login-screen{background:radial-gradient(circle at 20% 10%,rgba(93,78,245,.22),transparent 34%),radial-gradient(circle at 90% 90%,rgba(50,190,155,.14),transparent 32%),#10162a;}
.login-card{border:1px solid rgba(255,255,255,.14);border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.32);backdrop-filter:blur(16px);padding:34px 32px}
.login-brand h1{letter-spacing:-.8px}.login-entry-title{margin:6px 0 3px;color:#fff;font-size:21px;font-weight:850;letter-spacing:-.3px}.login-entry-subtitle{margin-bottom:18px;color:rgba(220,229,244,.68);font-size:13px}.login-main-input{height:50px;font-size:17px;letter-spacing:.4px}.login-student-notice{margin-bottom:16px}.login-staff-link{width:100%;margin-top:16px;background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.16);color:#dce6f8}.login-staff-link:hover{background:rgba(255,255,255,.10);color:#fff}

/* Portal alumno */
.student-portal{background:linear-gradient(180deg,#f7f8fc 0%,#eef1f8 100%)}
.student-topbar{box-shadow:0 8px 28px rgba(22,28,55,.06);backdrop-filter:blur(12px);background:rgba(255,255,255,.9)}
.student-hero{box-shadow:0 18px 45px rgba(34,31,88,.18);border:1px solid rgba(255,255,255,.14)}
.student-card{box-shadow:0 10px 30px rgba(22,28,55,.065)}
.student-birthday{box-shadow:0 10px 28px rgba(221,171,46,.11);border-radius:16px}
.student-price{letter-spacing:-1px}

@media(max-width:650px){.login-card{padding:27px 20px;border-radius:23px}.login-entry-title{font-size:19px}.topbar{border-radius:13px}}