*{box-sizing:border-box}
:root{--wine:#7b2638;--wine-dark:#4d1422;--gold:#f2c94c;--ink:#172033;--muted:#64748b}
body{margin:0;color:var(--ink);background:#f3f5f8;font-family:Verdana,Arial,sans-serif}
.admin-layout{display:flex;min-height:100vh}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:260px;padding:24px 18px;color:#fff;background:linear-gradient(180deg,var(--wine-dark),var(--wine));overflow:auto}.admin-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:12px;font-weight:800}.admin-brand img{width:58px;height:58px;border-radius:13px}.admin-user{padding:14px;margin:20px 0;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.08)}.admin-user strong,.admin-user span{display:block}.admin-user strong{font-size:11px}.admin-user span{margin-top:5px;color:#decbd0;font-size:9px;text-transform:uppercase}.admin-sidebar nav{display:grid;gap:7px}.admin-sidebar nav a,.nav-future{padding:11px 12px;border-radius:10px;color:#f5e9ec;font-size:10px;font-weight:700;text-decoration:none}.admin-sidebar nav a:hover{background:rgba(255,255,255,.1)}.nav-future{color:#cbaeb6;cursor:not-allowed}.admin-sidebar .logout{margin-top:16px;color:#fff;background:rgba(0,0,0,.18)}
.admin-main{width:calc(100% - 260px);margin-left:260px}.admin-topbar{padding:21px 28px;border-bottom:1px solid #e2e8f0;background:#fff}.admin-topbar h1{margin:0;color:var(--wine-dark);font-size:24px}.admin-topbar span{display:block;margin-top:5px;color:var(--muted);font-size:9px}.admin-content{padding:25px}
.flash{padding:13px 15px;margin-bottom:17px;border-radius:12px;font-size:10px;font-weight:700}.flash.success{color:#166534;background:#dcfce7;border:1px solid #86efac}.flash.error{color:#991b1b;background:#fee2e2;border:1px solid #fca5a5}
.welcome{display:flex;align-items:center;justify-content:space-between;padding:26px;margin-bottom:18px;border-radius:20px;color:#fff;background:linear-gradient(120deg,var(--wine-dark),var(--wine))}.welcome span{font-size:9px;text-transform:uppercase}.welcome h2{margin:6px 0 4px;font-size:25px}.welcome p{margin:0;color:#ead6db;font-size:10px}.welcome img{width:105px;border-radius:18px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat-grid article{padding:19px;border:1px solid #e2e8f0;border-radius:17px;background:#fff}.stat-grid span,.stat-grid strong{display:block}.stat-grid span{color:var(--muted);font-size:9px;text-transform:uppercase}.stat-grid strong{margin-top:8px;color:var(--wine);font-size:27px}
.panel{padding:20px;border:1px solid #e2e8f0;border-radius:19px;background:#fff;box-shadow:0 8px 25px rgba(23,32,51,.04)}.panel h3{margin:0 0 15px;color:var(--wine-dark);font-size:17px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}.panel-head h3{margin:0}.panel-head p{margin:5px 0 0;color:var(--muted);font-size:9px}
.two-column{display:grid;grid-template-columns:minmax(330px,450px) 1fr;gap:18px;align-items:start}.stack{display:grid;gap:18px}
.admin-form{display:grid;gap:7px}.grid-form{grid-template-columns:1fr 1fr;gap:12px}.grid-form .full{grid-column:1/-1}.admin-form label{margin-top:7px;color:#334155;font-size:9px;font-weight:800}.admin-form input,.admin-form select,.admin-form textarea,.search-form input{width:100%;min-height:43px;padding:10px 11px;border:1px solid #cbd5e1;border-radius:10px;color:#172033;background:#fff;font:11px Verdana,Arial,sans-serif}.admin-form textarea{resize:vertical}.form-section{margin:14px 0 0;padding-top:15px;border-top:1px solid #e2e8f0;color:var(--wine);font-size:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:8px 11px;border:0;border-radius:9px;font:9px Verdana,Arial,sans-serif;font-weight:800;text-decoration:none;cursor:pointer}.btn.primary{color:#fff;background:var(--wine)}.btn.light{color:var(--wine);background:#f7e9ed}.btn.danger{color:#fff;background:#dc2626}.btn.success{color:#fff;background:#15803d}
.table-wrap{overflow:auto}table{width:100%;min-width:760px;border-collapse:collapse}th,td{padding:11px 9px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:middle}th{color:var(--muted);background:#f8fafc;font-size:8px;text-transform:uppercase}td{font-size:9px}td small{color:var(--muted)}.status{display:inline-flex;padding:5px 8px;border-radius:999px;font-size:8px;font-weight:800;text-transform:uppercase}.status.activo{color:#166534;background:#dcfce7}.status.inactivo{color:#92400e;background:#fef3c7}.status.retirado{color:#991b1b;background:#fee2e2}
.actions{display:flex;gap:6px;flex-wrap:wrap}.actions form{margin:0}.card-list{display:grid;gap:10px}.mini-card{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px;border:1px solid #e2e8f0;border-radius:13px}.mini-card strong,.mini-card span{display:block}.mini-card strong{font-size:10px}.mini-card span{margin-top:5px;color:var(--muted);font-size:8px}.search-form{display:flex;gap:7px;min-width:360px}.student-cell{display:flex;align-items:center;gap:8px}.student-cell img{width:38px;height:38px;border-radius:10px;object-fit:cover}
.admin-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.admin-gallery article{overflow:hidden;border:1px solid #e2e8f0;border-radius:14px}.admin-gallery img{width:100%;height:190px;object-fit:cover}.admin-gallery article>div{padding:12px}.admin-gallery strong,.admin-gallery span{display:block}.admin-gallery strong{font-size:10px}.admin-gallery span{margin:5px 0 10px;color:var(--muted);font-size:8px}.empty-admin{padding:30px;color:var(--muted);text-align:center;font-size:10px}
.login-page{display:grid;place-items:center;min-height:100vh;padding:18px;background:linear-gradient(135deg,var(--wine-dark),var(--wine))}.login-card{width:min(430px,100%);padding:28px;border-radius:24px;background:#fff;box-shadow:0 28px 80px rgba(0,0,0,.28)}.login-card>img{display:block;width:120px;margin:auto;border-radius:20px}.login-card h1{margin:18px 0 6px;color:var(--wine);text-align:center;font-size:23px}.login-card>p{color:var(--muted);font-size:10px;text-align:center}.login-card form{display:grid;gap:8px;margin-top:20px}.login-card label{font-size:9px;font-weight:800}.login-card input{min-height:45px;padding:10px;border:1px solid #cbd5e1;border-radius:10px}.login-card button{min-height:46px;margin-top:8px;border:0;border-radius:10px;color:#fff;background:var(--wine);font-weight:800}.login-card>a{display:block;margin-top:16px;color:var(--wine);font-size:9px;text-align:center;text-decoration:none}
@media(max-width:1050px){.stat-grid{grid-template-columns:1fr 1fr}.two-column{grid-template-columns:1fr}}
@media(max-width:800px){.admin-layout{display:block}.admin-sidebar{position:relative;width:100%}.admin-main{width:100%;margin-left:0}.admin-sidebar nav{grid-template-columns:1fr 1fr}.admin-content{padding:16px}.grid-form,.stat-grid,.admin-gallery{grid-template-columns:1fr}.grid-form .full{grid-column:auto}.panel-head{align-items:flex-start;flex-direction:column}.search-form{min-width:0;width:100%}}

.form-help{display:block;margin:1px 0 7px;color:var(--muted);font-size:8px;line-height:1.55}.btn.facebook{color:#fff;background:#1877f2}


/* Galería múltiple v1.3 */
.gallery-admin-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}
.gallery-admin-summary article{padding:17px 19px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;box-shadow:0 8px 25px rgba(23,32,51,.04)}
.gallery-admin-summary span,.gallery-admin-summary strong{display:block}.gallery-admin-summary span{color:#64748b;font-size:9px;font-weight:800;text-transform:uppercase}.gallery-admin-summary strong{margin-top:6px;color:#4d1422;font-size:24px}
.gallery-admin-layout{display:grid;grid-template-columns:minmax(340px,430px) minmax(0,1fr);gap:18px;align-items:start}
.gallery-upload-panel{position:sticky;top:18px}.gallery-list-head{align-items:flex-start}.gallery-file-input{position:absolute;width:1px!important;height:1px!important;padding:0!important;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0!important}
.gallery-file-picker{display:block!important;padding:18px!important;margin:3px 0 0!important;border:2px dashed #b9c6d8;border-radius:14px;color:#334155;background:#f8fafc;cursor:pointer;text-align:center}.gallery-file-picker:hover{border-color:#7b2638;background:#fff7f8}.gallery-file-picker strong,.gallery-file-picker span{display:block}.gallery-file-picker strong{color:#7b2638;font-size:12px}.gallery-file-picker span{margin-top:5px;color:#64748b;font-size:9px;line-height:1.5}
.gallery-selection-info{padding:10px 12px;border-radius:10px;color:#166534;background:#f0fdf4;font-size:9px;font-weight:700}.gallery-selection-info.error{color:#991b1b;background:#fff1f2}
.gallery-preview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-height:300px;overflow:auto}.gallery-preview-grid article{overflow:hidden;border:1px solid #e2e8f0;border-radius:11px;background:#fff}.gallery-preview-grid img{display:block;width:100%;height:84px;object-fit:cover}.gallery-preview-grid span{display:block;padding:7px;color:#475569;font-size:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gallery-album-list{display:grid;gap:16px}.gallery-admin-album{padding:15px;border:1px solid #e2e8f0;border-radius:17px;background:#f8fafc}.gallery-admin-album>header{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;margin-bottom:13px}.gallery-admin-album h4{margin:0;color:#4d1422;font-size:14px}.gallery-admin-album header p{margin:4px 0 0;color:#64748b;font-size:9px}.gallery-select-album{display:inline-flex!important;align-items:center;gap:7px;margin:0!important;color:#334155!important;font-size:9px!important;cursor:pointer}.gallery-select-album input,.gallery-photo-check input{width:auto!important;min-height:0!important}
.gallery-admin-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.gallery-admin-photo-wrap{position:relative}.gallery-admin-grid img{height:150px}.gallery-photo-check{position:absolute;left:8px;top:8px;display:inline-flex!important;align-items:center;gap:6px;margin:0!important;padding:6px 8px!important;border-radius:999px;color:#172033!important;background:rgba(255,255,255,.94);font-size:8px!important;box-shadow:0 5px 15px rgba(0,0,0,.12)}
.gallery-delete-selected:disabled{opacity:.45;cursor:not-allowed}.gallery-single-delete{min-height:35px;padding:8px 10px;font-size:9px}
@media(max-width:1250px){.gallery-admin-layout{grid-template-columns:1fr}.gallery-upload-panel{position:static}.gallery-admin-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:850px){.gallery-admin-summary,.gallery-admin-grid{grid-template-columns:1fr 1fr}.gallery-admin-album>header{flex-direction:column}.gallery-preview-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.gallery-admin-summary,.gallery-admin-grid{grid-template-columns:1fr}.gallery-preview-grid{grid-template-columns:repeat(2,1fr)}}


/* Pagos y mensualidades v1.4 */
.field-help{display:block;margin-top:6px;color:#64748b;font-size:8px;line-height:1.5}
.payment-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px;flex-wrap:wrap}
.payment-toolbar>.actions{display:flex;gap:8px;flex-wrap:wrap}
.payment-api-state{padding:13px 16px;border-radius:14px;border:1px solid #e2e8f0;background:#fff}
.payment-api-state strong,.payment-api-state span{display:block}.payment-api-state strong{font-size:11px}.payment-api-state span{margin-top:4px;color:#64748b;font-size:9px}
.payment-api-state.ready{border-color:#86efac;background:#f0fdf4}.payment-api-state.ready strong{color:#166534}
.payment-api-state.manual{border-color:#fed7aa;background:#fff7ed}.payment-api-state.manual strong{color:#92400e}
.btn.whatsapp{color:#fff;background:#15803d}.btn.success{color:#fff;background:#16a34a}
.payment-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}
.payment-summary article{padding:18px;border:1px solid #e2e8f0;border-radius:17px;background:#fff;box-shadow:0 8px 25px rgba(23,32,51,.04)}
.payment-summary span,.payment-summary strong{display:block}.payment-summary span{color:#64748b;font-size:9px;font-weight:800;text-transform:uppercase}.payment-summary strong{margin-top:6px;color:#4d1422;font-size:24px}
.payment-list-head{align-items:flex-end}.payment-filters{display:grid;grid-template-columns:minmax(220px,1fr) 150px auto;gap:8px}.payment-filters input,.payment-filters select{min-height:40px}
.payment-list{display:grid;gap:14px}.payment-card{padding:18px;border:1px solid #e2e8f0;border-left:5px solid #cbd5e1;border-radius:17px;background:#fff}
.payment-card.status-pendiente{border-left-color:#f59e0b}.payment-card.status-vencido{border-left-color:#dc2626}.payment-card.status-pagado{border-left-color:#16a34a}
.payment-card>header{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.payment-card h4{margin:4px 0 0;color:#4d1422;font-size:15px}.payment-card header p{margin:5px 0 0;color:#64748b;font-size:9px}.student-code{color:#7b2638;font-size:8px;font-weight:800;text-transform:uppercase}
.payment-status{display:inline-flex;padding:7px 10px;border-radius:999px;font-size:8px;font-weight:900}.payment-status.pendiente{color:#92400e;background:#fef3c7}.payment-status.vencido{color:#991b1b;background:#fee2e2}.payment-status.pagado{color:#166534;background:#dcfce7}.payment-status.anulado{color:#475569;background:#e2e8f0}
.payment-data{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px;margin:15px 0}.payment-data>div{padding:11px;border-radius:12px;background:#f8fafc}.payment-data small,.payment-data strong,.payment-data span{display:block}.payment-data small{color:#64748b;font-size:7px;font-weight:800;text-transform:uppercase}.payment-data strong{margin-top:4px;color:#172033;font-size:10px}.payment-data span{margin-top:3px;color:#64748b;font-size:8px}
.payment-actions{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap}.payment-actions form{margin:0}.payment-register{position:relative}.payment-register summary{list-style:none;cursor:pointer}.payment-register summary::-webkit-details-marker{display:none}.payment-register[open]{width:100%}.payment-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin-top:12px;padding:15px;border:1px solid #bbf7d0;border-radius:14px;background:#f0fdf4}.payment-form .full{grid-column:1/-1}.payment-form label{display:block;margin-bottom:5px;color:#334155;font-size:8px;font-weight:800}.payment-form input,.payment-form select,.payment-form textarea{width:100%;min-height:39px;padding:9px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}
.payment-config-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.payment-api-badge{display:inline-flex;padding:7px 10px;border-radius:999px;font-size:8px;font-weight:900}.payment-api-badge.ready{color:#166534;background:#dcfce7}.payment-api-badge.manual{color:#92400e;background:#fef3c7}.payment-api-note{padding:13px;margin-bottom:15px;border:1px solid #bfdbfe;border-radius:13px;color:#1e3a8a;background:#eff6ff;font-size:9px;line-height:1.6}.checkbox-line label{display:flex!important;align-items:center;gap:9px}.checkbox-line input{width:auto!important;min-height:0!important}.payment-template-spec{padding:14px;margin-top:16px;border-radius:13px;background:#f8fafc}.payment-template-spec h4{margin:0 0 8px;color:#4d1422;font-size:11px}.payment-template-spec p{margin:5px 0;color:#475569;font-size:9px;line-height:1.55}.payment-cron-panel{margin-top:18px}.payment-cron-panel code{display:block;padding:14px;border-radius:12px;color:#dbeafe;background:#061a35;font-size:9px;white-space:pre-wrap;word-break:break-all}
@media(max-width:1200px){.payment-data{grid-template-columns:repeat(3,minmax(0,1fr))}.payment-config-grid{grid-template-columns:1fr}}
@media(max-width:850px){.payment-summary{grid-template-columns:1fr 1fr}.payment-filters{grid-template-columns:1fr}.payment-list-head{align-items:stretch}.payment-form{grid-template-columns:1fr}.payment-form .full{grid-column:auto}}
@media(max-width:560px){.payment-summary,.payment-data{grid-template-columns:1fr}.payment-card>header{flex-direction:column}.payment-toolbar{align-items:stretch;flex-direction:column}}