*{box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}:root{--primary:#123C69;--secondary:#0EA5E9;--accent:#F59E0B;--surface:#fff;--muted:#64748b;--line:#dbe5ef;--shadow:0 16px 40px rgba(15,23,42,.10);--radius:22px;--ok:#087f5b;--bad:#c92a2a;--warn:#b7791f;--sidebar-width:318px;--sidebar-collapsed-width:98px}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#132033;background:#eef3f9;line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button,input,select,textarea{font:inherit}.public-body{min-height:100vh;background:radial-gradient(circle at top left,rgba(14,165,233,.25),transparent 34rem),linear-gradient(135deg,var(--primary),#071827 72%)}.public-main{width:min(100%,1060px);margin:auto;min-height:calc(100vh - 78px);display:grid;align-content:center;padding:24px}.public-nav{position:sticky;top:0;z-index:40;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:14px 20px;color:#fff;background:rgba(7,24,39,.36);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.12)}.public-brand{display:flex;align-items:center;gap:12px;font-weight:950}.brand-mark{width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;font-weight:900;font-size:1.35rem}.public-links{display:flex;gap:10px;flex-wrap:wrap}.public-links a{padding:10px 14px;border-radius:999px;color:#fff;font-weight:850;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14)}.hero{background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.64);border-radius:28px;box-shadow:0 28px 90px rgba(2,6,23,.34);overflow:hidden;margin-bottom:18px}.hero>div{padding:34px 28px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));position:relative}.hero>div:after{content:"";position:absolute;right:-5rem;top:-6rem;width:14rem;height:14rem;border-radius:50%;background:rgba(255,255,255,.13)}.hero h1{font-size:clamp(2.1rem,8vw,4.2rem);line-height:.97;letter-spacing:-.05em;margin:0 0 10px;position:relative}.hero p{font-size:1.08rem;max-width:720px;margin:0;opacity:.95;position:relative}.form-code,.form-narrow{max-width:620px;margin-inline:auto}.form-code input{text-transform:uppercase;font-size:20px;letter-spacing:1px}.admin-body{background:#eef3f9;--nav-text:#eaf4ff}.admin-shell{min-height:100vh}.mobile-admin-header{display:none}.sidebar-overlay{position:fixed;inset:0;background:rgba(2,6,23,.5);z-index:70;opacity:0;pointer-events:none;transition:.22s}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);height:100dvh;overflow:auto;z-index:80;background:linear-gradient(180deg,var(--primary),#0b3158 100%);color:#fff;padding:22px 20px 28px;box-shadow:28px 0 70px rgba(2,6,23,.22)}.institutional-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}.brand-fallback strong{display:block;font-size:1.18rem;line-height:1.08}.brand-fallback span{display:block;font-size:.82rem;opacity:.82}.sidebar-app-card{width:100%;margin:14px 0 0;padding:14px 16px;background:rgba(17,63,105,.34);border:1px solid rgba(255,255,255,.10);border-radius:18px}.sidebar-app-card strong{display:block;font-size:1.2rem;line-height:1.15;font-weight:950;letter-spacing:-.02em}.sidebar-app-card span{display:block;margin-top:2px;color:rgba(255,255,255,.76);font-size:.88rem;font-weight:700}.sidebar-nav{width:100%;margin:24px 0 0;padding:12px;display:grid;gap:8px;background:rgba(7,40,74,.52);border:1px solid rgba(255,255,255,.09);border-radius:26px;box-shadow:0 24px 60px rgba(0,0,0,.10)}.sidebar-nav a,.sidebar-logout-form button{width:100%;min-height:58px;display:grid;grid-template-columns:44px 1fr;align-items:center;gap:12px;color:rgba(255,255,255,.90);font-size:1rem;line-height:1.15;font-weight:900;padding:10px 12px;border:0;border-radius:18px;background:transparent;cursor:pointer;text-align:left}.sidebar-nav a:hover,.sidebar-nav a:focus,.sidebar-nav a.is-active,.sidebar-logout-form button:hover{background:rgba(255,255,255,.13);color:#fff;outline:none;transform:translateX(2px)}.nav-icon{width:42px;height:42px;min-width:42px;display:grid;place-items:center;border-radius:16px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}.nav-icon svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.nav-text{display:grid;gap:2px;min-width:0}.nav-text strong{font-size:1.02rem;font-weight:950;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-text small{color:rgba(219,234,254,.73);font-size:.8rem;font-weight:750;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-footer{margin-top:18px;color:rgba(255,255,255,.62);font-size:.82rem;text-align:center}.admin-main{margin-left:var(--sidebar-width);min-height:100vh;padding:22px 30px 34px;max-width:calc(100vw - var(--sidebar-width));overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.topbar h1{margin:0;color:#0f172a;font-size:clamp(1.75rem,4vw,2.55rem);letter-spacing:-.045em;line-height:1.05}.topbar p{margin:5px 0 0;color:var(--muted)}.user-pill{background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(15,23,42,.07);padding:9px 14px;border-radius:999px;font-weight:900;color:#132033;white-space:nowrap}.container{max-width:1180px;margin:0 auto;padding:28px 18px}.card{background:var(--surface);border:1px solid #e6edf5;border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px;max-width:100%}.nested-card{box-shadow:0 10px 28px rgba(15,23,42,.06);background:linear-gradient(135deg,#fff,#f8fbff)}.card h2,.card h3{margin-top:0;color:#101c2e}.page-head,.toolbar,.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.page-head h1,.toolbar h2{margin:0;color:#0f172a;letter-spacing:-.035em}.toolbar-actions,.actions,.form-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.metric{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff,#f8fbff);border:1px solid #e6edf5;border-radius:22px;padding:22px;box-shadow:0 10px 28px rgba(15,23,42,.06)}.metric:after{content:"";position:absolute;right:-40px;top:-40px;width:110px;height:110px;border-radius:50%;background:rgba(14,165,233,.12)}.metric-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(14,165,233,.18),rgba(18,60,105,.10));color:var(--primary);margin-bottom:10px}.metric-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.metric-value{font-size:38px;font-weight:950;letter-spacing:-.04em;color:#0f172a}.metric-title{color:var(--muted);margin-bottom:8px;font-weight:800}.metric a{font-weight:900;color:var(--primary)}label,.form-group label{display:block;font-weight:850;margin:10px 0 6px;color:#102037}.help,.muted{color:var(--muted)}.help{font-size:.9rem;margin:.35rem 0 0}input,select,textarea{width:100%;border:1px solid #cfdbe8;border-radius:14px;padding:11px 12px;background:#fff;color:#132033}input:focus,select:focus,textarea:focus{outline:none;border-color:color-mix(in srgb,var(--secondary) 55%,white);box-shadow:0 0 0 4px rgba(14,165,233,.12)}input[type=color]{padding:4px;height:46px}textarea{min-height:110px}.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:14px;background:#fff;color:#132033;padding:10px 14px;font-weight:900;cursor:pointer;text-decoration:none;transition:.16s}.btn.primary,button.primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;border-color:transparent;box-shadow:0 12px 30px rgba(18,60,105,.22)}.btn.small,button.small{padding:8px 11px;font-size:.88rem;border-radius:12px}.btn.full,button.full{width:100%}.btn.danger,.danger{color:#9b1c1c;border-color:#fecaca}.btn:hover,button:hover{filter:brightness(.99);transform:translateY(-1px);text-decoration:none}.alert{padding:14px 16px;border-radius:16px;margin-bottom:18px;border:1px solid var(--line);background:#eef8ff;font-weight:750}.alert.error{background:#fff1f0;border-color:#ffc9c5;color:#7a1d16}.alert.success{background:#edfff6;border-color:#baf0d0;color:#075e39}.alert.warning{background:#fff9db;border-color:#ffe08a;color:#664d03}.badge{display:inline-flex;align-items:center;border-radius:999px;background:#edf2f7;padding:5px 10px;font-size:12px;font-weight:900}.badge.active{background:#e9f9ef;color:var(--ok)}.badge.revoked,.badge.annulled{background:#fff1f0;color:var(--bad)}code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:8px;padding:2px 6px}.table-wrap{overflow:auto;border-radius:18px;border:1px solid #e6edf5}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:12px;border-bottom:1px solid #e6edf5;vertical-align:middle}th{font-size:13px;color:#4d5b67;background:#f8fafc;font-weight:950}tr:last-child td{border-bottom:0}td.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}td.actions form{display:inline;margin:0}td.actions button{padding:6px 9px;font-size:13px}.search{display:flex;gap:10px}.search input{flex:1}.details{display:grid;grid-template-columns:180px 1fr;gap:8px;margin:20px 0}.details dt{font-weight:900;color:var(--muted)}.details dd{margin:0}.validation.valid{border-left:8px solid var(--ok)}.validation.invalid{border-left:8px solid var(--bad)}.debug{white-space:pre-wrap;background:#111827;color:#eee;border-radius:12px;padding:12px;overflow:auto}.footer{text-align:center;color:rgba(255,255,255,.78);padding:24px}.admin-body .footer{display:none}.editor-shell{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px;align-items:start}.certificate-canvas-wrap{background:#dbe5ef;border:1px solid #cbd8e5;border-radius:24px;padding:16px;overflow:auto;box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}.certificate-canvas{position:relative;max-width:1000px;margin:auto;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 18px 50px rgba(2,6,23,.18);aspect-ratio:11/8.5;background-image:linear-gradient(45deg,#f8fafc 25%,transparent 25%),linear-gradient(-45deg,#f8fafc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f8fafc 75%),linear-gradient(-45deg,transparent 75%,#f8fafc 75%);background-size:28px 28px;background-position:0 0,0 14px,14px -14px,-14px 0}.certificate-canvas.portrait{aspect-ratio:8.5/11;max-width:680px}.certificate-canvas img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.cert-el{position:absolute;z-index:2;min-width:36px;min-height:24px;border:2px dashed rgba(18,60,105,.62);background:rgba(255,255,255,.58);border-radius:8px;padding:4px 8px;display:flex;align-items:center;justify-content:center;user-select:none;touch-action:none;cursor:move;overflow:hidden;line-height:1.08;box-shadow:0 8px 22px rgba(15,23,42,.10)}.cert-el.selected{border-style:solid;border-color:var(--secondary);background:rgba(14,165,233,.12);box-shadow:0 0 0 4px rgba(14,165,233,.15),0 12px 30px rgba(15,23,42,.16)}.cert-el .handle{position:absolute;right:0;bottom:0;width:18px;height:18px;background:var(--secondary);border-radius:10px 0 6px 0;cursor:nwse-resize}.cert-el[data-type="qr"]{font-family:Courier,monospace}.cert-el[data-type="qr"]:before{content:"";width:38px;height:38px;background:repeating-linear-gradient(90deg,#111 0 4px,#fff 4px 8px);opacity:.22;position:absolute;left:8px;top:50%;transform:translateY(-50%);border-radius:4px}.editor-panel{position:sticky;top:18px}.cert-element-palette{display:flex;flex-wrap:wrap;gap:8px}.cert-element-palette .btn.small{flex:1 1 auto}.preview{position:relative;max-width:100%;aspect-ratio:11/8.5;background:#f3f4f6 center/cover no-repeat;border:1px solid var(--line);border-radius:18px;overflow:hidden}.preview.portrait{aspect-ratio:8.5/11;max-width:680px}.preview-el{position:absolute;border:1px dashed rgba(0,0,0,.35);background:rgba(255,255,255,.55);padding:2px;overflow:hidden}.field-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.mini-note{background:#f8fafc;border:1px dashed #cbd5e1;padding:12px;border-radius:14px;color:#475569;font-weight:700}.sidebar-mobile-close{display:none}
@media(max-width:1100px){.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.editor-shell{grid-template-columns:1fr}.editor-panel{position:relative;top:auto}.admin-main{padding:18px 18px 28px}}@media(max-width:920px){.mobile-admin-header{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;background:linear-gradient(135deg,var(--primary),#0b3158);color:#fff;box-shadow:0 12px 32px rgba(2,6,23,.22)}.mobile-brand{display:flex;align-items:center;gap:10px;min-width:0}.mobile-brand strong{display:block;font-size:1rem;line-height:1.05;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}.mobile-brand small{display:block;font-size:.72rem;opacity:.78;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}.mobile-menu-btn{min-width:46px;min-height:42px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.12);color:#fff;border-radius:14px;font-size:1.3rem;font-weight:900;cursor:pointer}.sidebar{transform:translateX(-105%);transition:transform .24s ease;width:min(86vw,360px)}body.menu-open .sidebar{transform:translateX(0)}body.menu-open .sidebar-overlay{opacity:1;pointer-events:auto}.sidebar-mobile-close{display:flex;justify-content:flex-end;margin-bottom:10px}.admin-main{margin-left:0;max-width:100%;padding:16px 12px 28px}.topbar{display:grid}.user-pill{justify-self:start}.grid.two,.field-list{grid-template-columns:1fr}.public-nav{align-items:flex-start;flex-direction:column}.public-main{padding:14px}}@media(max-width:560px){.metrics{grid-template-columns:1fr}.page-head,.toolbar,.section-head{align-items:flex-start;flex-direction:column}.search{display:grid}.details{grid-template-columns:1fr}.certificate-canvas-wrap{padding:8px}.card{padding:16px;border-radius:18px}.editor-shell{gap:12px}.cert-el{font-size:12px!important}.public-links{width:100%}.public-links a{flex:1;text-align:center}.hero>div{padding:26px 20px}}

/* Mejoras v1.2: editor gráfico con paleta inferior */
.editor-shell{grid-template-columns:minmax(0,1fr) 360px;grid-template-areas:"canvas panel" "palette panel";align-items:start}.certificate-canvas-wrap{grid-area:canvas}.editor-panel{grid-area:panel}.editor-palette-card{grid-area:palette;margin-bottom:18px}.position-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.position-grid input{padding:9px 8px}.editor-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:4px 0}.editor-tools .btn{width:100%;min-height:40px}.palette-add-custom{display:flex;gap:8px;align-items:center;min-width:min(100%,460px)}.palette-add-custom input{min-width:240px}.palette-group{margin-top:14px;padding:14px;border:1px solid #e6edf5;border-radius:18px;background:linear-gradient(135deg,#ffffff,#f8fbff)}.palette-group h4{margin:0 0 10px;color:#0f172a;font-size:.94rem;letter-spacing:.02em;text-transform:uppercase}.cert-element-palette{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px}.cert-element-palette .palette-chip{justify-content:flex-start;text-align:left;min-height:42px;background:#fff}.palette-chip:before{content:"+";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:999px;background:rgba(14,165,233,.12);color:var(--primary);font-weight:950}.palette-help{margin-top:14px}.certificate-canvas.show-grid:after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(rgba(14,165,233,.20) 1px,transparent 1px),linear-gradient(90deg,rgba(14,165,233,.20) 1px,transparent 1px);background-size:5% 5%;box-shadow:inset 0 0 0 1px rgba(14,165,233,.25)}.cert-el{outline:1px solid rgba(255,255,255,.65)}.cert-el.selected{outline:2px solid rgba(255,255,255,.92)}
@media(max-width:1240px){.editor-shell{grid-template-columns:1fr;grid-template-areas:"canvas" "panel" "palette"}.editor-panel{position:relative;top:auto}.position-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.editor-tools{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.position-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editor-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.palette-add-custom{width:100%;display:grid;grid-template-columns:1fr}.palette-add-custom input{min-width:0}.cert-element-palette{grid-template-columns:1fr}}