* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0b1220;
    color: #e6ecf5;
}

a {
    color: #7db8ff;
}

.panel-shell {
    display: flex;
    min-height: 100vh;
}

.panel-nav {
    width: 220px;
    flex-shrink: 0;
    background: #0e1a2f;
    border-right: 1px solid #1c2b47;
    padding: 24px 16px;
}

.panel-nav-marca {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 28px;
    color: #ffffff;
}

.panel-nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #b9c6dc;
    text-decoration: none;
    margin-bottom: 4px;
    font-size: 0.92rem;
}

.panel-nav a:hover,
.panel-nav a.activo {
    background: #16223c;
    color: #ffffff;
}

.panel-main {
    flex: 1;
    padding: 28px 32px;
    max-width: 1200px;
}

.panel-cabecera {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.panel-cabecera h1 {
    margin: 0;
    font-size: 1.5rem;
}

.panel-cabecera p {
    margin: 4px 0 0;
    color: #8ea0bd;
    font-size: 0.9rem;
}

.panel-tarjetas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.panel-tarjeta {
    background: #101d34;
    border: 1px solid #1c2b47;
    border-radius: 12px;
    padding: 16px 18px;
}

.panel-tarjeta span {
    display: block;
    font-size: 0.8rem;
    color: #8ea0bd;
    margin-bottom: 6px;
}

.panel-tarjeta strong {
    font-size: 1.6rem;
    color: #ffffff;
}

.panel-tarjeta.alerta strong { color: #ff8a8a; }
.panel-tarjeta.ok strong { color: #7ee0a8; }
.panel-tarjeta.aviso strong { color: #ffd479; }

.panel-caja {
    background: #101d34;
    border: 1px solid #1c2b47;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}

.panel-caja h2 {
    margin: 0 0 14px;
    font-size: 1.1rem;
}

table.panel-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

table.panel-tabla th,
table.panel-tabla td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid #1c2b47;
}

table.panel-tabla th {
    color: #8ea0bd;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

table.panel-tabla tr:hover td {
    background: #14203a;
}

.panel-vacio {
    color: #8ea0bd;
    padding: 18px 0;
    text-align: center;
}

.etiqueta {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.etiqueta-activo { background: rgba(126,224,168,0.15); color: #7ee0a8; }
.etiqueta-prueba { background: rgba(255,212,121,0.15); color: #ffd479; }
.etiqueta-suspendido { background: rgba(255,138,138,0.15); color: #ff8a8a; }
.etiqueta-cancelado { background: rgba(142,160,189,0.18); color: #8ea0bd; }

.panel-boton {
    display: inline-block;
    background: #2f6fed;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 9px 16px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
}

.panel-boton:hover {
    background: #4a83f0;
}

.panel-boton.secundario {
    background: #1c2b47;
}

.panel-boton.secundario:hover {
    background: #263a5e;
}

.panel-form label {
    display: block;
    margin-bottom: 14px;
    font-size: 0.88rem;
    color: #b9c6dc;
}

.panel-form input,
.panel-form select,
.panel-form textarea {
    display: block;
    width: 100%;
    margin-top: 6px;
    padding: 9px 12px;
    background: #0b1220;
    border: 1px solid #29385a;
    border-radius: 8px;
    color: #e6ecf5;
    font-size: 0.92rem;
}

.panel-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0 20px;
}

.panel-error {
    background: rgba(255,138,138,0.12);
    border: 1px solid rgba(255,138,138,0.4);
    color: #ff8a8a;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.88rem;
}

.panel-exito {
    background: rgba(126,224,168,0.12);
    border: 1px solid rgba(126,224,168,0.4);
    color: #7ee0a8;
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.88rem;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0b1220;
}

.login-caja {
    background: #101d34;
    border: 1px solid #1c2b47;
    border-radius: 14px;
    padding: 36px 32px;
    width: 100%;
    max-width: 340px;
}

.login-caja h1 {
    font-size: 1.2rem;
    margin: 0 0 4px;
}

.login-caja p {
    margin: 0 0 20px;
    color: #8ea0bd;
    font-size: 0.85rem;
}

.login-caja input {
    display: block;
    width: 100%;
    margin-bottom: 12px;
    padding: 10px 12px;
    background: #0b1220;
    border: 1px solid #29385a;
    border-radius: 8px;
    color: #e6ecf5;
}

.login-caja button {
    width: 100%;
    margin-top: 6px;
}

.panel-detalle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px 24px;
    margin-bottom: 8px;
}

.panel-detalle-grid div span {
    display: block;
    color: #8ea0bd;
    font-size: 0.78rem;
    margin-bottom: 3px;
}

.panel-detalle-grid div strong {
    font-size: 0.98rem;
}