@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');
:root{--navy:#173b70;--navy-2:#102c54;--blue:#2f65a5;--ink:#1c2b40;--muted:#6c7a8f;--line:#e3e9f1;--bg:#f4f6fa;--white:#fff;--teal:#168b83;--shadow:0 12px 34px rgba(20,45,78,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}.app{min-height:100vh}.topbar{height:72px;background:var(--white);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--navy);color:white;display:grid;place-items:center;font:800 17px Manrope}.brand-name{font:800 16px Manrope;letter-spacing:.02em;color:var(--navy)}.brand-sub{font-size:11px;color:var(--muted);margin-top:2px}.top-actions{display:flex;align-items:center;gap:12px}.status{font-size:12px;color:var(--teal);background:#e8f6f4;border-radius:20px;padding:7px 11px}.avatar{width:36px;height:36px;border-radius:50%;background:#e8eef7;color:var(--navy);display:grid;place-items:center;font-weight:700}.layout{display:grid;grid-template-columns:248px 1fr;min-height:calc(100vh - 72px)}.sidebar{background:var(--navy-2);color:#dce7f6;padding:24px 14px}.side-label{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:#9db2ce;padding:8px 12px 12px}.nav{display:grid;gap:5px}.nav button{border:0;background:transparent;color:#dce7f6;text-align:left;padding:11px 12px;border-radius:9px;display:flex;gap:11px;align-items:center;font-size:13px}.nav button:hover,.nav button.active{background:rgba(255,255,255,.13);color:#fff}.nav-icon{width:20px;text-align:center;opacity:.9}.sidebar-note{margin:28px 8px 0;padding:13px;border:1px solid rgba(255,255,255,.16);border-radius:10px;color:#c1d0e3;font-size:11px;line-height:1.55}.main{padding:30px;max-width:1440px;width:100%;margin:0 auto}.welcome-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:25px}.eyebrow{font-size:11px;color:var(--blue);font-weight:700;letter-spacing:.1em;text-transform:uppercase}.page-title{font:800 26px Manrope;margin:7px 0 5px;color:var(--navy-2)}.page-desc{font-size:13px;color:var(--muted);margin:0}.primary{border:0;background:var(--navy);color:white;border-radius:9px;padding:11px 16px;font-weight:600;font-size:12px}.primary:hover{background:var(--blue)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.metric,.panel,.module-card{background:var(--white);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}.metric{padding:18px}.metric-label{font-size:12px;color:var(--muted)}.metric-value{font:800 25px Manrope;color:var(--navy);margin:9px 0 3px}.metric-foot{font-size:11px;color:#8995a6}.content-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:16px;margin-top:17px}.panel{padding:20px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.panel-title{font:700 14px Manrope;color:var(--navy-2)}.panel-caption{font-size:11px;color:var(--muted)}.empty{border:1px dashed #d5deea;background:#fafbfd;border-radius:10px;padding:26px;text-align:center;color:var(--muted);font-size:12px;line-height:1.6}.empty strong{display:block;color:var(--ink);font-size:13px;margin-bottom:5px}.module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:17px}.module-card{padding:17px;text-align:left;border:1px solid var(--line);color:var(--ink)}.module-card:hover{border-color:#9eb6d4;transform:translateY(-1px)}.module-symbol{width:34px;height:34px;border-radius:9px;background:#edf3fb;color:var(--navy);display:grid;place-items:center;margin-bottom:12px}.module-card strong{font:700 12px Manrope;display:block;color:var(--navy-2)}.module-card span{font-size:11px;color:var(--muted);display:block;margin-top:5px;line-height:1.45}.page-panel{background:white;border:1px solid var(--line);border-radius:13px;padding:22px;min-height:280px}.hidden{display:none!important}.footnote{font-size:10px;color:#8b97a8;margin-top:22px;text-align:center}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}.content-grid{grid-template-columns:1fr}.module-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.topbar{padding:0 15px}.layout{grid-template-columns:1fr}.sidebar{padding:10px;overflow:auto}.nav{display:flex;min-width:max-content}.side-label,.sidebar-note{display:none}.main{padding:20px 15px}.welcome-row{display:block}.welcome-row .primary{margin-top:15px}.grid{gap:9px}.metric{padding:13px}.metric-value{font-size:21px}.module-grid{grid-template-columns:1fr 1fr}.brand-sub{display:none}.status{display:none}}

/* Acceso y autenticación */
.auth-locked{visibility:hidden}.auth-screen{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:24px;background:#f2f5f9;overflow:auto}.auth-card{width:min(100%,440px);background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:0 18px 55px rgba(20,45,78,.12)}.auth-brand{margin-bottom:30px}.auth-card h1{font:800 25px Manrope;color:var(--navy-2);margin:9px 0}.auth-intro{font-size:13px;color:var(--muted);line-height:1.6;margin:0 0 22px}.auth-card label{display:block;font-size:12px;font-weight:700;color:var(--ink);margin:13px 0 6px}.auth-input{width:100%;height:43px;border:1px solid #d8e0eb;border-radius:8px;padding:0 12px;outline:none}.auth-input:focus{border-color:#7195c2;box-shadow:0 0 0 3px #e9f0f9}.auth-submit{width:100%;height:44px;margin-top:20px}.auth-submit:disabled{opacity:.65;cursor:wait}.auth-google{width:100%;height:43px;margin-top:10px;border:1px solid #d8e0eb;border-radius:8px;background:white;color:var(--ink);font-weight:600;font-size:12px}.auth-google:hover{background:#f8fafc}.auth-feedback{min-height:20px;margin-top:12px;font-size:12px;color:var(--teal);line-height:1.5}.auth-feedback.error{color:#b42318}.auth-switch{text-align:center;margin-top:13px;font-size:12px;color:var(--muted)}.auth-switch button{border:0;background:none;color:var(--blue);font-weight:700}.auth-small{font-size:10px;line-height:1.5;color:#8995a6;text-align:center;margin:22px 0 0}.auth-message{border:1px solid #ead9b1;background:#fff9eb;color:#76551b;border-radius:9px;padding:12px;font-size:12px;line-height:1.55;margin:14px 0}.auth-signout{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:8px;padding:8px 11px;font-size:11px;font-weight:600}
@media(max-width:520px){.auth-card{padding:25px 20px}}

/* Formularios de grupos y estudiantes */
.module-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:20px}.module-heading h2{font:800 20px Manrope;color:var(--navy-2);margin:6px 0}.module-heading p{font-size:12px;color:var(--muted);margin:0}.module-count,.tag{background:#edf3fb;color:var(--navy);border-radius:20px;padding:6px 10px;font-size:10px;font-weight:700;white-space:nowrap}.module-form{background:#fafbfd;border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}.module-form label,.group-select-label{display:block;font-size:11px;font-weight:700;color:var(--ink);margin-bottom:12px}.module-form input,.module-form select,.group-select-label select{display:block;width:100%;height:40px;margin-top:6px;border:1px solid #d8e0eb;border-radius:8px;background:white;padding:0 10px;color:var(--ink);font:400 12px 'DM Sans',sans-serif}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 13px}.module-form button:disabled{opacity:.55;cursor:not-allowed}.module-feedback{font-size:11px;color:var(--teal);margin-top:10px;min-height:16px}.module-feedback.error{color:#b42318}.data-list{display:grid;gap:8px;margin-top:15px}.data-row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:9px;padding:12px 14px}.data-row strong{display:block;color:var(--navy-2);font-size:12px}.data-row span:not(.tag){display:block;color:var(--muted);font-size:10px;margin-top:4px;line-height:1.4}.group-select-label{max-width:360px}@media(max-width:600px){.form-grid{grid-template-columns:1fr}.module-heading{display:block}.module-count{display:inline-block;margin-top:10px}}

/* Asistencia y justificaciones */
.attendance-toolbar{display:flex;gap:14px;flex-wrap:wrap;margin:16px 0}.attendance-toolbar label{font-size:11px;font-weight:700;color:var(--ink)}.attendance-toolbar select,.attendance-toolbar input{display:block;height:39px;min-width:190px;margin-top:6px;border:1px solid #d8e0eb;border-radius:8px;padding:0 10px;background:#fff}.table-scroll{overflow:auto;margin-bottom:16px}.cd-table{width:100%;border-collapse:collapse;font-size:12px}.cd-table th,.cd-table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line)}.cd-table th{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#f8fafc}.cd-table td strong{display:block;color:var(--navy-2)}.cd-table td small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.cd-table select,.cd-table input{height:35px;max-width:190px;border:1px solid #d8e0eb;border-radius:7px;padding:0 8px;background:white;font-size:11px}.cd-table .lesson-count{width:85px}.justify-form{display:grid;grid-template-columns:1.1fr 1.4fr 1fr 1.2fr auto;gap:10px;align-items:end;background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:13px}.justify-form strong{display:block;font-size:12px;color:var(--navy-2)}.justify-form span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.justify-form label{font-size:10px;color:var(--muted)}.justify-form input:not([type=checkbox]){display:block;width:100%;height:34px;margin-top:5px;border:1px solid #d8e0eb;border-radius:7px;padding:0 8px;font-size:11px}.justify-form .checkline{display:flex;align-items:center;gap:6px;padding-bottom:8px}.justify-form .primary{white-space:nowrap}.justify-form .module-feedback{grid-column:1/-1}@media(max-width:850px){.justify-form{grid-template-columns:1fr 1fr}.justify-form .module-feedback{grid-column:1/-1}}@media(max-width:550px){.justify-form{grid-template-columns:1fr}.justify-form .module-feedback{grid-column:auto}}

.activity-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:15px;margin:12px 0}.activity-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.activity-head strong{display:block;color:var(--navy-2);font-size:13px}.activity-head span:not(.tag){display:block;color:var(--muted);font-size:10px;margin-top:4px}.module-form h3{font:700 13px Manrope;color:var(--navy-2);margin:0 0 14px}.weight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.weight-grid label{font-size:11px;font-weight:700;color:var(--ink)}.weight-input{display:flex;align-items:center;gap:7px}.weight-input input{max-width:130px}.weight-total{font-size:12px;font-weight:700;color:var(--navy);margin:14px 0}@media(max-width:550px){.weight-grid{grid-template-columns:1fr}}

.exempt-row{display:grid;grid-template-columns:1fr minmax(130px,180px) minmax(150px,1.2fr) auto;gap:9px;align-items:center;background:#fafbfd;border:1px solid var(--line);border-radius:9px;padding:11px}.exempt-row strong{display:block;color:var(--navy-2);font-size:12px}.exempt-row span{display:block;color:var(--muted);font-size:10px;margin-top:3px}.exempt-row select,.exempt-row input{height:35px;min-width:0;width:100%;border:1px solid #d8e0eb;border-radius:7px;background:white;padding:0 8px;font-size:11px}.exempt-row .module-feedback{grid-column:1/-1}@media(max-width:700px){.exempt-row{grid-template-columns:1fr 1fr}.exempt-row .module-feedback{grid-column:1/-1}}@media(max-width:480px){.exempt-row{grid-template-columns:1fr}}

.payment-number{font:800 26px Manrope;color:var(--navy);letter-spacing:.05em;margin:10px 0}.payment-note{font-size:12px;line-height:1.6;color:var(--muted)}.subscription-state{display:grid;gap:6px;text-align:left}.subscription-state strong{font:700 16px Manrope;color:var(--navy-2)}.subscription-state span{font-size:12px;color:var(--muted)}

.admin-payment{display:grid;grid-template-columns:1fr minmax(160px,220px) auto;gap:10px;align-items:center;background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:13px}.admin-payment strong{display:block;color:var(--navy-2);font-size:12px}.admin-payment span{display:block;color:var(--muted);font-size:10px;margin-top:4px}.admin-payment a{display:inline-block;color:var(--blue);font-size:11px;margin-top:7px}.admin-note{height:36px;border:1px solid #d8e0eb;border-radius:7px;padding:0 9px;font-size:11px;min-width:0}.admin-actions{display:flex;gap:6px}.admin-actions button{font-size:10px;padding:9px 11px}.reject-payment{border:1px solid #e1c6c4;background:#fff;color:#a13b34;border-radius:8px;font-weight:700}@media(max-width:800px){.admin-payment{grid-template-columns:1fr 1fr}.admin-payment>div:first-child{grid-column:1/-1}}@media(max-width:480px){.admin-payment{grid-template-columns:1fr}.admin-payment>div:first-child{grid-column:auto}}

.metric-small{font-size:17px!important;line-height:1.25;min-height:42px}.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.quick-actions .module-card{padding:12px;box-shadow:none}

.auth-forgot{display:block;margin:8px 0 0 auto;padding:4px 0;border:0;background:transparent;color:var(--blue);font-size:11px;font-weight:700;cursor:pointer}.auth-forgot:disabled{opacity:.6;cursor:wait}

.student-record{display:grid;gap:12px;padding:16px;border:1px solid var(--line);border-radius:10px;background:#fff;margin:9px 0}
.student-record-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.student-record-head>div{display:grid;gap:4px;min-width:0}
.student-record-head span{font-size:12px;color:var(--muted)}
.student-edit-details{border-top:1px solid var(--line);padding-top:10px}
.student-edit-details summary{cursor:pointer;color:var(--blue);font-size:12px;font-weight:700}
.student-edit-form{display:grid;gap:12px;padding-top:14px}
.student-active-toggle{justify-self:start;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:8px 12px;font-size:11px;font-weight:700}
.student-active-toggle:hover{background:#f5f8fb}

.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;margin:16px 0 22px}
.admin-stat{display:grid;gap:8px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:10px}
.admin-stat span{font-size:11px;color:var(--muted)}
.admin-stat strong{font-size:24px;color:var(--navy)}

.import-students{margin-top:14px}
.import-students summary{cursor:pointer;font-weight:700;color:var(--navy)}
.import-students p{font-size:12px;color:var(--muted);line-height:1.6;margin:12px 0}
.import-students form{display:grid;gap:12px;margin-top:12px}