:root{--bg:#F2F2F7;--bg2:#FFFFFF;--fg:#1c1c1e;--muted:#8e8e93;--accent:#E95420;--accent2:#77216F;--red:#C7162B;--yellow:#E5A50A;--border:#e5e5ea}
:root[data-theme="dark"]{--bg:#0e1217;--bg2:#131823;--fg:#e6edf3;--muted:#9aa7b2;--accent:#0a84ff;--accent2:#32d74b;--red:#ff453a;--yellow:#ffd60a;--border:#283142}
:root[data-ui="windows"]{--bg:#F3F2F1;--bg2:#FFFFFF;--fg:#201F1E;--muted:#8a8886;--accent:#0078D4;--accent2:#2B88D8;--red:#D13438;--yellow:#FDE300;--border:#E1DFDD}
:root[data-ui="android"]{--bg:#F5F5F5;--bg2:#FFFFFF;--fg:#1F1F1F;--muted:#757575;--accent:#2196F3;--accent2:#03DAC6;--red:#D32F2F;--yellow:#FFB300;--border:#E0E0E0}
:root[data-ui="glass"]{--bg:linear-gradient(135deg,#5b3fd6 0%,#7a45cf 30%,#9c4ac4 60%,#ff7a59 100%);--bg2:rgba(255,255,255,.14);--fg:#f3f6ff;--muted:#cfd6ea;--accent:#ff6ec7;--accent2:#65e8ff;--red:#ff6b6b;--yellow:#ffd166;--border:rgba(255,255,255,.28)}
:root[data-ui="neon"]{--bg:radial-gradient(1000px 600px at 10% 20%,#0b0f1a 0%,#0c1120 40%,#0a0f1a 100%);--bg2:#0d1422;--fg:#d9eaff;--muted:#7ea0ba;--accent:#00e5ff;--accent2:#ff00c8;--red:#ff5b5b;--yellow:#ffd166;--border:#1a2535}
:root[data-ui="wave"]{--bg:linear-gradient(180deg,#00a6ff 0%,#2f80ed 45%,#1b63d0 70%,#0f3fb3 100%);--bg2:#ffffff;--fg:#0d1b2a;--muted:#4f6d91;--accent:#2f80ed;--accent2:#1b63d0;--red:#d32f2f;--yellow:#ffb300;--border:#e0ecff}
:root[data-ui="gradebook"]{--bg:#ECEFF1;--bg2:#FFFFFF;--fg:#1c1c1e;--muted:#8e8e93;--accent:#00796B;--accent2:#F57C00;--red:#D32F2F;--yellow:#FFB300;--border:#d7dee2}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;overscroll-behavior-y:none;overscroll-behavior:none;overflow-y:auto;overflow-x:hidden}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg)}
.desktop-bar:where(:root[data-ui="glass"] *){background:rgba(255,255,255,.08);border-bottom:1px solid var(--border);backdrop-filter:blur(12px) saturate(140%)}
.desktop-bar{height:44px;background:var(--bg2);display:flex;align-items:center;gap:16px;padding:0 16px;border-bottom:1px solid var(--border)}
:root[data-ui="gradebook"] .desktop-bar{background:#00796B;color:#fff;border-bottom-color:#00695C}
:root[data-ui="neon"] .desktop-bar{background:#0c1220;box-shadow:0 0 0 1px #101a2a inset}
:root[data-ui="wave"] .desktop-bar{background:linear-gradient(90deg,#2f80ed,#1b63d0);color:#fff;border-bottom-color:transparent}
.brand{font-weight:600;color:var(--accent);display:flex;align-items:center;gap:8px}
:root[data-ui="gradebook"] .brand{color:#fff}
:root[data-ui="neon"] .brand{color:#00e5ff;text-shadow:0 0 10px rgba(0,229,255,.6)}
:root[data-ui="wave"] .brand{color:#fff}
.brand-logo svg{display:block}
.brand-logo .bg{fill:var(--accent)}
.brand-logo:where(:root[data-ui="gradebook"] *) .bg{fill:#F57C00}
.brand-logo .fg{fill:#fff}
.login-title{display:flex;align-items:center;gap:8px}
.brand-img{height:22px;width:auto;display:block}
.desktop-bar .brand .brand-img{height:28px}
.desktop-bar .brand .brand-title{display:inline}
@media (max-width: 768px){
  .desktop-bar .brand .brand-title{display:none}
  .desktop-bar .brand .brand-img{height:34px}
}
.window-title{flex:1;opacity:.7}
.session{display:flex;align-items:center;gap:10px;margin-left:auto}
.user-menu{position:relative}
.user-menu .dropdown{position:absolute;top:100%;right:0;background:var(--bg2);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 24px rgba(0,0,0,.12);padding:8px;min-width:180px;z-index:1001}
.dropdown-item{display:block;width:100%;text-align:left;background:transparent;border:none;color:var(--fg);padding:10px 12px;border-radius:10px}
.dropdown-item:hover{background:var(--bg)}
.logout{color:var(--red);text-decoration:none;border:1px solid var(--border);padding:8px 10px;border-radius:10px;background:var(--bg2)}
:root[data-ui="neon"] .logout{background:#00e5ff;border:none;color:#001018;box-shadow:0 0 20px rgba(0,229,255,.6)}
.controls{display:flex;gap:6px}
.btn{width:12px;height:12px;border-radius:50%}
.btn.min{background:#4caf50}
.btn.max{background:#fbc02d}
.btn.close{background:#e53935}
:root[data-ui="windows"] .btn{border-radius:2px}
:root[data-ui="windows"] .btn.min{background:#FDE300}
:root[data-ui="windows"] .btn.max{background:#2B88D8}
:root[data-ui="windows"] .btn.close{background:#D13438}
.fc .own-event .fc-event-title{font-size:1em;line-height:1.3;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;white-space:normal;overflow:hidden}
.fc .own-event .fc-event-time{font-weight:700;display:block}
.fc .fc-daygrid-event{padding:5px 7px}
.fc .own-event{border-radius:6px}
.fc .own-event{cursor:move}
.layout{display:grid;grid-template-columns:240px 1fr;height:calc(100% - 44px)}
.sidebar{background:var(--bg2);border-right:1px solid var(--border);padding:12px 8px}
:root[data-ui="gradebook"] .sidebar{background:#00695C;border-right-color:#005a53}
:root[data-ui="neon"] .sidebar{background:#0c1220;border-right-color:#101a2a;box-shadow:inset 0 0 0 1px #101a2a}
:root[data-ui="glass"] .sidebar{backdrop-filter:blur(16px) saturate(140%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.nav{display:block;color:var(--fg);text-decoration:none;padding:12px 12px;border-radius:12px;margin-bottom:8px;border:1px solid transparent}
.nav .bi{margin-right:8px;vertical-align:-2px}
:root[data-ui="glass"] .nav{background:rgba(255,255,255,.08);border-color:transparent}
.nav:hover{background:var(--bg);border-color:var(--border)}
:root[data-ui="gradebook"] .nav{color:#eaf7f6}
:root[data-ui="gradebook"] .nav:hover{background:#00796B;border-color:#00695C;color:#fff}
.nav.active{background:transparent;border-color:var(--accent);color:var(--accent)}
:root[data-ui="gradebook"] .nav.active{color:#F57C00;border-color:#F57C00}
:root[data-ui="neon"] .nav{background:#0e1626;border-color:#122035}
:root[data-ui="neon"] .nav:hover{background:#111a2b;border-color:#1a2a42}
:root[data-ui="neon"] .nav.active{color:#00e5ff;border-color:#00e5ff;box-shadow:0 0 10px rgba(0,229,255,.4)}
:root[data-ui="glass"] .nav.active{background:linear-gradient(135deg,rgba(255,255,255,.18),rgba(255,255,255,.08));box-shadow:0 0 0 1px rgba(255,255,255,.24) inset}
.content{padding:18px;overflow:auto}
.panel{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
:root[data-ui="neon"] .panel{background:#0e1626;border-color:#122035;box-shadow:0 20px 50px rgba(0,0,0,.5)}
:root[data-ui="wave"] .panel{background:#ffffff;border-color:#e0ecff;box-shadow:0 16px 40px rgba(47,128,237,.25)}
:root[data-ui="glass"] .panel{backdrop-filter:blur(16px) saturate(140%);border-radius:18px;box-shadow:0 20px 50px rgba(9,13,28,.35)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:12px}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:14px}
:root[data-ui="neon"] .card{background:#0f1a2c;border-color:#17243a;box-shadow:0 16px 40px rgba(0,0,0,.45)}
:root[data-ui="wave"] .card{background:#ffffff;border-color:#e0ecff;box-shadow:0 16px 40px rgba(47,128,237,.2)}
:root[data-ui="glass"] .card{backdrop-filter:blur(16px) saturate(140%);border-radius:18px;box-shadow:0 18px 40px rgba(9,13,28,.32)}
.card-title{font-weight:700;margin-bottom:10px}
:root[data-ui="neon"] .card-title{color:#00e5ff;text-shadow:0 0 8px rgba(0,229,255,.5)}
.list{display:grid;gap:8px}
.list-item{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:12px}
:root[data-ui="glass"] .list-item{background:rgba(255,255,255,.08);backdrop-filter:blur(16px) saturate(140%)}
.area-neon{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px;margin:8px 0}
.area-neon-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-weight:700}
:root[data-ui="neon"] .area-neon{background:#0f1a2c;border-color:#17243a;box-shadow:0 0 18px rgba(0,229,255,.35)}
:root[data-ui="neon"] .area-neon-head{color:#00e5ff;text-shadow:0 0 8px rgba(0,229,255,.5)}
.list-item .area-neon{border-left:4px solid var(--border)}
.list-item .area-neon:nth-of-type(1){border-left-color:#2196F3}
.list-item .area-neon:nth-of-type(2){border-left-color:#4CAF50}
.list-item .area-neon:nth-of-type(3){border-left-color:#FF9800}
.list-item .area-neon:nth-of-type(4){border-left-color:#9C27B0}
.list-item .area-neon:nth-of-type(5){border-left-color:#00BCD4}
.legend{color:var(--fg)}
.legend-item{display:flex;align-items:center;gap:8px;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:10px}
:root[data-ui="glass"] .legend-item{background:rgba(255,255,255,.08)}
.dot{width:14px;height:14px;border-radius:50%;display:inline-block}
.dot-g1{background:#2196F3}
.dot-g2{background:#4CAF50}
.dot-g3{background:#FF9800}
.dot-g4{background:#9C27B0}
.dot-g5{background:#00BCD4}
.form{display:grid;gap:12px}
input,textarea,select,button{background:var(--bg2);color:var(--fg);border:1px solid var(--border);border-radius:12px;padding:12px;font-family:inherit}
:root[data-ui="neon"] input,:root[data-ui="neon"] textarea,:root[data-ui="neon"] select,:root[data-ui="neon"] button{background:#0e1626;border-color:#1a2a42}
:root[data-ui="glass"] input,:root[data-ui="glass"] textarea,:root[data-ui="glass"] select,:root[data-ui="glass"] button{backdrop-filter:blur(12px) saturate(140%);background:rgba(255,255,255,.12)}
input::placeholder,textarea::placeholder{color:var(--muted)}
button{cursor:pointer}
:root[data-ui="neon"] button{background:#00e5ff;border:none;color:#001018;border-radius:12px;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="wave"] button{background:#2f80ed;border:none;color:#fff;border-radius:16px;box-shadow:0 10px 20px rgba(47,128,237,.35)}
:root[data-ui="wave"] button:hover{filter:brightness(1.06)}
:root[data-ui="neon"] button:hover{filter:brightness(1.06);box-shadow:0 0 24px rgba(0,229,255,.7)}
.mb-section button{background:#2f80ed !important;border:none !important;color:#fff !important;border-radius:16px;box-shadow:0 10px 20px rgba(47,128,237,.35)}
/* small text labels on buttons across mobile modules */
button .btn-label{font-size:10px;display:inline !important;line-height:1}
.mb-section button .btn-label{font-size:10px;display:inline !important;line-height:1}
/* micro text under module buttons */
.mb-item .btn-micro{display:block;font-size:10px;line-height:1;color:var(--muted);margin-top:2px}
/* font awesome icon spacing in buttons */
button i.fa-solid, .mb-section button i.fa-solid, .modal-actions button i.fa-solid{margin-right:6px;vertical-align:-2px}
.dropdown-item .bi, .logout .bi, button .bi{margin-right:6px;vertical-align:-2px}
.login-form button .bi{color:#000 !important}
.user-menu .dropdown .dropdown-item{border:1px solid transparent}
:root[data-ui="neon"] .user-menu .dropdown .dropdown-item{background:#00e5ff;color:#001018;border:none;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="neon"] .user-menu .dropdown .dropdown-item:hover{filter:brightness(1.06)}
.primary{background:var(--accent);border:none;color:#fff;box-shadow:0 6px 12px rgba(0,122,255,.2)}
:root[data-ui="neon"] .primary{background:#00e5ff;color:#001018;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="wave"] .primary{background:#1b63d0;color:#fff;box-shadow:0 12px 24px rgba(27,99,208,.35)}
:root[data-ui="glass"] .primary{background:linear-gradient(135deg,rgba(255,110,199,.9),rgba(101,232,255,.9));box-shadow:0 12px 30px rgba(255,110,199,.28)}
.table{width:100%;border-collapse:collapse;background:var(--bg2);border:1px solid var(--border);border-radius:12px;overflow:hidden}
:root[data-ui="neon"] .table{background:#0f1a2c;border-color:#17243a}
:root[data-ui="wave"] .table{background:#ffffff;border-color:#e0ecff}
:root[data-ui="glass"] .table{backdrop-filter:blur(12px) saturate(140%);background:rgba(255,255,255,.12)}
.table th,.table td{padding:12px;border-bottom:1px solid var(--border);text-align:left}
:root[data-ui="gradebook"] .table.dataTable thead th{background:#F57C00;color:#fff;border-bottom-color:#e07b00}
.table tr:last-child td{border-bottom:none}
.table a .bi{margin-right:6px;vertical-align:-2px}
.bi-whatsapp{color:#25D366}
.bi-facebook{color:#1877F2}
.bi-twitter{color:#1DA1F2}
.bi-linkedin{color:#0077B5}
.bi-trash{color:var(--red)}
.bi-save{color:var(--accent2)}
.bi-x-lg{color:var(--muted)}
.bi-person-circle{color:var(--accent2)}
.bi-key{color:var(--yellow)}
.bi-box-arrow-right{color:var(--red)}
.bi-brightness-high{color:var(--accent)}
.bi-palette{color:var(--accent2)}
.users-list-mobile{display:none}
.btn-wa{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;background:#25D366;color:#fff;border:1px solid #25D366;border-radius:10px;text-decoration:none}
.btn-wa .bi-whatsapp{color:#fff}
.btn-wa:hover{background:#1ebe57;border-color:#1ebe57;color:#fff}
.login{display:grid;place-items:center;height:100%;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.login-box{width:min(420px,92vw);background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:0 16px 40px rgba(0,0,0,.12)}
.login-header{display:block;text-align:center;margin-bottom:12px}
.login-logo{width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:14px;overflow:hidden}
.login-title{display:block;font-weight:800;margin:8px 0 0 0;color:var(--accent);text-align:center;width:100%;text-transform:uppercase;font-size:clamp(24px,6vw,32px);line-height:1.1;letter-spacing:.5px;white-space:nowrap;overflow:hidden}
.login-form{display:grid;gap:12px}
.login-form input::placeholder{color:var(--muted)}
.login-input-group{position:relative}
.login-input-group input{width:100%;padding-right:44px;border-radius:24px;height:48px}
.login-input-group .icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--border)}
.login-meta-row{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--muted)}
.login-social{display:flex;align-items:center;gap:8px;justify-content:center}
.login-social .icon-btn{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--bg2);color:var(--fg)}
.login-footer{display:flex;align-items:center;justify-content:center;font-size:14px;margin-top:6px}
.login-waves{position:fixed;inset:0;pointer-events:none}
.login-waves .top{position:absolute;top:0;left:0;width:100%;height:200px}
.login-waves .bottom{position:absolute;bottom:0;left:0;width:100%;height:200px}
.login-form .submit-row{display:flex;justify-content:flex-start}
.login-form .submit-row .primary{height:44px;padding:0 18px;border-radius:24px}
.login-form input[name="username"]{border-radius:14px}
.login-form input[name="password"]{border-radius:14px}
.alert{background:#2a1414;color:#ffb3b3;border:1px solid #5e2a2a;border-radius:12px;padding:10px;margin-bottom:12px}
:root[data-ui="neon"] .login{background:var(--bg)}
:root[data-ui="neon"] .login{background:var(--bg)}
:root[data-ui="neon"] .login-box{background:#0f1a2c;border-color:#17243a;box-shadow:0 24px 60px rgba(0,0,0,.6)}
:root[data-ui="neon"] .login-title{color:#00e5ff;text-shadow:0 0 10px rgba(0,229,255,.6)}
:root[data-ui="neon"] .login-logo{filter:drop-shadow(0 0 18px rgba(0,229,255,.4));border-color:#00e5ff;box-shadow:0 0 18px rgba(0,229,255,.35) inset}
:root[data-ui="neon"] .login-form button{background:#00e5ff;color:#001018;border:none;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="neon"] .login-form input[name="username"]{border-color:#00e5ff;box-shadow:0 0 18px rgba(0,229,255,.35) inset}
:root[data-ui="neon"] .login-form input[name="password"]{border-color:#00e5ff;box-shadow:0 0 18px rgba(0,229,255,.35) inset}
:root[data-ui="neon"] .login-input-group .icon{background:#0f1a2c;border-color:#17243a}
:root[data-ui="neon"] .login-social .icon-btn{background:#0f1a2c;border:none;color:#00e5ff;box-shadow:0 0 14px rgba(0,229,255,.35)}
.grid-grades > .card{border-left:4px solid var(--border)}
.grid-grades > .card:nth-child(1){border-left-color:#2196F3}
.grid-grades > .card:nth-child(2){border-left-color:#4CAF50}
.grid-grades > .card:nth-child(3){border-left-color:#FF9800}
.grid-grades > .card:nth-child(4){border-left-color:#9C27B0}
.grid-grades > .card:nth-child(5){border-left-color:#00BCD4}
@media (max-width:1000px){.layout{grid-template-columns:70px 1fr}.nav{padding:10px}.sidebar .nav{font-size:12px}}
.hidden{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.25);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}
.modal{width:520px;max-width:100%;background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 16px 40px rgba(0,0,0,.2)}
.att-dark.panel{background:var(--bg)}
.dataTables_wrapper{color:var(--fg)}
.dataTables_wrapper .dataTables_filter label,.dataTables_wrapper .dataTables_length label,.dataTables_wrapper .dataTables_info{color:var(--fg)}
.dataTables_wrapper .dataTables_filter input,.dataTables_wrapper .dataTables_length select{background:var(--bg2);color:var(--fg);border:1px solid var(--border);border-radius:10px;padding:8px}
:root[data-ui="glass"] .dataTables_wrapper .dataTables_filter input,:root[data-ui="glass"] .dataTables_wrapper .dataTables_length select{backdrop-filter:blur(12px) saturate(140%);background:rgba(255,255,255,.12)}
.dataTables_wrapper #boletasTable_paginate,
#boletasTable_wrapper .dataTables_paginate{display:flex;justify-content:flex-end;width:100%}
.dataTables_wrapper #boletasTable_paginate .paginate_button .bi,
#boletasTable_wrapper .dataTables_paginate .paginate_button .bi{margin:0}
.dataTables_wrapper #boletasTable_filter,
#boletasTable_wrapper .dataTables_filter{display:flex;justify-content:flex-end;width:100%}
#boletasTable_wrapper .dataTables_filter label{margin:0}
#boletasTable_wrapper .dataTables_filter input{margin-left:8px}
.dataTables_wrapper #studentsTable_paginate,
#studentsTable_wrapper .dataTables_paginate{display:flex;justify-content:flex-end;width:100%}
.dataTables_wrapper #studentsTable_paginate .paginate_button .bi,
#studentsTable_wrapper .dataTables_paginate .paginate_button .bi{margin:0}
.table.dataTable thead th{background:var(--bg2);color:var(--fg);border-bottom:1px solid var(--border)}
.table.dataTable.stripe tbody tr.odd,.table.dataTable.display tbody tr.odd{background-color:var(--bg)}
.table.dataTable.display tbody tr:hover{background:var(--bg)}
.dataTables_wrapper .dataTables_paginate .paginate_button{background:var(--bg2);border:1px solid var(--border);color:var(--fg) !important;border-radius:8px;margin:0 2px}
.dataTables_wrapper .dataTables_paginate .paginate_button .bi{margin-right:6px;vertical-align:-2px}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover{background:var(--bg);border-color:var(--border);color:var(--fg) !important}
:root[data-ui="neon"] .dataTables_wrapper .dataTables_paginate .paginate_button{background:#00e5ff;border:none;color:#001018 !important;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="neon"] .dataTables_wrapper .dataTables_paginate .paginate_button:hover{filter:brightness(1.06);box-shadow:0 0 24px rgba(0,229,255,.7)}
.dataTables_wrapper .dataTables_paginate .paginate_button.current{background:var(--accent);border-color:var(--accent);color:#fff !important}
:root[data-ui="neon"] .dataTables_wrapper .dataTables_paginate .paginate_button.current{background:#00e5ff;border-color:#00e5ff;color:#001018 !important;box-shadow:0 0 12px rgba(0,229,255,.4)}
:root[data-ui="glass"] .dataTables_wrapper .dataTables_paginate .paginate_button.current{background:linear-gradient(135deg,rgba(255,110,199,.9),rgba(101,232,255,.9));border-color:transparent}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover{background:var(--bg);border-color:var(--border);color:var(--fg) !important}
.fc .fc-toolbar-title{color:var(--fg)}
:root[data-ui="neon"] .fc .fc-toolbar-title{color:#00e5ff;text-shadow:0 0 8px rgba(0,229,255,.5)}
.fc .fc-button{background:var(--bg2);border:1px solid var(--border);color:var(--fg)}
.fc .fc-button:hover{background:var(--bg);border-color:var(--border);color:var(--fg)}
:root[data-ui="neon"] .fc .fc-button{background:#00e5ff;border:none;color:#001018;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="neon"] .fc .fc-button:hover{filter:brightness(1.06);box-shadow:0 0 24px rgba(0,229,255,.7)}
.fc .fc-popover{background:var(--bg2);border:1px solid var(--border)}
#goTopBtn{position:fixed;right:16px;bottom:16px;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border:1px solid var(--border);box-shadow:0 10px 20px rgba(0,0,0,.25);z-index:1002}
:root[data-ui="neon"] #goTopBtn{background:#00e5ff;color:#001018;border:none;box-shadow:0 0 20px rgba(0,229,255,.6)}
:root[data-ui="wave"] #goTopBtn{background:#2f80ed;color:#fff;border:none;box-shadow:0 10px 20px rgba(47,128,237,.35)}
.year-dark{--bg:#0e1217;--bg2:#131823;--fg:#e6edf3;--muted:#9aa7b2;--border:#283142}
.year-dark .fc-multimonth{color:var(--fg)}
.year-dark .fc-multimonth-month{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:6px}
.year-dark .fc-multimonth-month-title{color:var(--fg)}
.year-dark .fc-daygrid-day{background:var(--bg);border-color:var(--border)}
.year-dark .fc-day-today{background:#ffffff !important;border-color:#e5e5ea !important}
.year-dark .fc-day-today .fc-daygrid-day-number{color:#000 !important}
.year-dark .fc-day-today .fc-daygrid-day-events{color:#000 !important}
.modal{position:relative}
.modal h2{margin:0 0 12px 0}
.modal .modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:12px}
.modal-close{position:absolute;top:10px;right:12px;background:transparent;border:none;color:var(--fg);font-size:20px;line-height:20px;cursor:pointer}
.fc .fc-event.other-event{opacity:.6;filter:saturate(40%);border-color:#e5e5ea !important}
.fc .fc-event.own-event{border-color:var(--accent) !important}
.fc .owner-label{display:block;font-size:11px;color:#8e8e93;margin-bottom:2px}
/* mobile additions */
.menu-toggle{display:none}
.sidebar-backdrop{position:fixed;inset:44px 0 0 0;background:rgba(0,0,0,.25);z-index:999}
@media (max-width:768px){
  .desktop-bar{height:54px;padding:0 10px;gap:10px}
  .window-title{display:none}
  .menu-toggle{display:inline-block;border:1px solid var(--border);background:var(--bg2);border-radius:10px;padding:8px 10px}
  .layout{grid-template-columns:1fr;height:calc(100% - 54px)}
  .sidebar{position:fixed;top:54px;left:0;bottom:0;width:280px;max-width:85%;z-index:1000;transform:translateX(-100%);transition:transform .2s ease}
  .sidebar.open{transform:translateX(0)}
  .content{padding:12px}
  .nav{padding:14px}
  .logout{padding:10px 12px}
  .fc .fc-toolbar-chunk{display:flex;flex-wrap:wrap;gap:6px}
  .fc .fc-button{padding:10px 12px;border-radius:10px}
  .fc .fc-col-header-cell-cushion{padding:6px 0}
  .fc .fc-daygrid-day-number{padding:6px}
  .users-table-desktop{display:none}
  .users-list-mobile{display:grid}
  .login{height:100vh}
  .login-box{width:100%;height:100vh;max-width:none;border-radius:0;border:none;box-shadow:none;padding:12px;display:flex;flex-direction:column;justify-content:center;gap:10px;overflow:hidden}
  .login-header{margin-bottom:8px}
  .login-title{font-size:clamp(18px,5vw,24px)}
  .login-form{gap:10px}
  .login-input-group input{height:44px;padding-right:40px}
  .login-input-group .icon{width:30px;height:30px}
  .login-meta-row{font-size:13px}
  .login-social .icon-btn{width:34px;height:34px}
  .login-footer{font-size:13px}
  .login-form button{background:var(--accent);color:#fff;border:none;box-shadow:none;border-radius:12px;padding:10px 12px;height:42px}
}
.student-edit{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.teacher-edit{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (max-width:768px){
  .grid{grid-template-columns:1fr}
  .student-edit{grid-template-columns:1fr}
  .teacher-edit{grid-template-columns:1fr}
}
.cell-input,.cell-select{width:100%}
.switch{position:relative;display:inline-block;width:48px;height:28px}
.switch input{opacity:0;width:0;height:0}
.switch-slider{position:absolute;inset:0;background:#d1d1d6;border-radius:28px;transition:.2s}
.switch-slider:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,.2);transition:.2s}
.switch-slider:after{content:"No";position:absolute;top:50%;right:8px;transform:translateY(-50%);font-size:12px;color:var(--muted);transition:.2s}
.switch input:checked + .switch-slider{background:var(--accent2)}
.switch input:checked + .switch-slider:before{transform:translateX(20px)}
.switch input:checked + .switch-slider:after{content:"Sí";left:8px;right:auto;color:#fff}
.switch input:focus-visible + .switch-slider{outline:2px solid var(--accent);outline-offset:2px}
.grado-badge{display:inline-block;padding:4px 10px;border-radius:999px;border:1px solid;font-weight:600;font-size:12px;line-height:1}
:root[data-ui="neon"] .grado-badge{border-color:#00e5ff;color:#00e5ff;background:rgba(0,229,255,.08);box-shadow:0 0 12px rgba(0,229,255,.3)}
:root[data-ui="glass"] .grado-badge{box-shadow:0 6px 14px rgba(0,0,0,.18)}
.grado-1{color:#2196F3;border-color:#2196F3;background:rgba(33,150,243,.12)}
.grado-2{color:#4CAF50;border-color:#4CAF50;background:rgba(76,175,80,.12)}
.grado-3{color:#FF9800;border-color:#FF9800;background:rgba(255,152,0,.12)}
/* SIAGIE gradebook-styled table */
:root[data-ui="gradebook"] .mini-table thead tr:last-child th{background:#F57C00;color:#fff}
:root[data-ui="gradebook"] .mini-table th.sticky-order,
:root[data-ui="gradebook"] .mini-table td.sticky-order{background:#00695C;color:#fff}
:root[data-ui="gradebook"] .mini-table th.sticky-name,
:root[data-ui="gradebook"] .mini-table td.sticky-name{background:#00796B;color:#fff}
:root[data-ui="gradebook"] .mini-table tbody tr:nth-child(odd){background:rgba(0,121,107,.08)}
:root[data-ui="gradebook"] .mini-table tbody tr:hover{background:rgba(0,121,107,.16)}
.grado-4{color:#9C27B0;border-color:#9C27B0;background:rgba(156,39,176,.12)}
.grado-5{color:#00BCD4;border-color:#00BCD4;background:rgba(0,188,212,.12)}
@media (max-width:768px){
  body{font-size:14px}
  .desktop-bar{height:46px;padding:0 8px;gap:8px}
  .brand-img{height:22px}
  .layout{grid-template-columns:1fr;height:calc(100% - 46px)}
  .sidebar{width:240px}
  .nav{padding:10px;font-size:13px}
  .dropdown-item{padding:8px 10px}
  .logout{padding:8px 10px}
  input,textarea,select,button{padding:8px;border-radius:10px}
  .table th,.table td{padding:8px}
  .dataTables_wrapper .dataTables_filter input,.dataTables_wrapper .dataTables_length select{padding:6px}
  .dataTables_wrapper .dataTables_paginate .paginate_button{border-radius:6px}
  .fc .fc-button{padding:8px 10px;border-radius:8px}
  .login-title{font-size:clamp(20px,5vw,26px)}
  .panel{padding:14px}
  .content{padding:10px}
  .dropdown-item,button,.btn-wa,.logout,.table a{font-size:0;display:inline-flex;align-items:center;justify-content:center;gap:0;min-width:36px}
  .dropdown-item .bi,button .bi,.btn-wa .bi,.logout .bi,.table a .bi{font-size:18px;margin-right:0}
}
/* unified mobile button sizes and contrast across modules */
@media (max-width:768px){
  .mb-section button,
  .modal-actions button,
  .wa-btn,
  .edit-btn,
  .del-btn{
    height:42px;
    min-height:42px;
    padding:10px 12px;
    border-radius:14px;
    font-size:14px;
    line-height:1;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:6px
  }
  .wa-btn{width:42px;height:42px;padding:0}
}