:root{--verde:#63991f;--linea:#e0e0e0;--txt:#222;--muted:#666}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--txt);display:flex;min-height:100vh}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;background:#f3f4f0}
.login-card{background:#fff;padding:28px;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.08);width:320px;display:flex;flex-direction:column;gap:12px}
.login-card h1{margin:0 0 8px;color:var(--verde)}
.login-card label{display:flex;flex-direction:column;font-size:13px;gap:4px}
.login-card input{padding:9px;border:1px solid var(--linea);border-radius:6px}
.login-card button{padding:10px;background:var(--verde);color:#fff;border:0;border-radius:6px;cursor:pointer;font-weight:bold}
.msg{color:#a32d2d;font-size:13px;min-height:16px;margin:0}

/* Panel */
.side{width:210px;background:#20211d;color:#cfd0c8;flex-shrink:0;display:flex;flex-direction:column;padding:14px 0}
.side .brand{font-weight:bold;color:#fff;padding:8px 18px 16px;font-size:18px}
.side a{padding:11px 18px;color:#cfd0c8;cursor:pointer;font-size:14px}
.side a:hover{background:#2c2d28}
.side a.active{background:var(--verde);color:#fff}
.side .logout{margin-top:auto;color:#e79}
.panel{flex:1;padding:22px 26px;overflow:auto}
.tab{display:none}
.tab.active{display:block}
h1{font-size:20px;margin:0 0 16px}

.sesion-bar{display:flex;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.sesion-bar label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}
select,input{padding:8px;border:1px solid var(--linea);border-radius:6px;font-size:14px}

.form-grid{display:grid;grid-template-columns:200px 1fr 1fr;gap:14px;align-items:end;margin-bottom:20px}
.form-grid label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}
.foto-box{grid-row:span 2}
.foto-preview{height:150px;border:1px dashed #bbb;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#999;overflow:hidden;margin-bottom:6px}
.foto-preview img{max-width:100%;display:block}
.acciones{grid-column:1/-1}
.acciones button,.fila button,.form-col button{background:var(--verde);color:#fff;border:0;padding:10px 18px;border-radius:6px;cursor:pointer;font-weight:bold}

.tabla,.tabla-sesion{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}
.tabla th,.tabla td,.tabla-sesion th,.tabla-sesion td{text-align:left;padding:8px;border-bottom:1px solid var(--linea)}
.mini{width:34px;height:34px;object-fit:cover;border-radius:5px}

.fila{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.chk{display:flex;align-items:center;gap:6px;font-size:13px}
.lista{list-style:none;padding:0}
.lista li{padding:8px;border-bottom:1px solid var(--linea)}
.lista small{color:var(--muted)}
.form-col{display:flex;flex-direction:column;gap:10px;max-width:420px}
.form-col label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:4px}

.logo-box{background:#f6f6f2;border:1px solid var(--linea);border-radius:10px;padding:16px;margin-bottom:20px;max-width:460px;display:flex;flex-direction:column;gap:10px}
.logo-actual{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.logo-actual img{height:40px;background:#fff;border:1px dashed #ccc;border-radius:6px;padding:4px}
.logo-upload{display:flex;flex-direction:column;font-size:13px;gap:6px}
.logo-box small{color:var(--muted);font-size:12px}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);background:#333;color:#fff;padding:10px 18px;border-radius:8px;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:800px){.form-grid{grid-template-columns:1fr 1fr}.foto-box{grid-row:auto;grid-column:1/-1}}