:root {
    --azul-profundo: #07111f;
    --azul: #0f2a44;
    --dorado: #c89b3c;
    --gris: #6b7280;
    --gris-claro: #f3f4f6;
    --blanco: #ffffff;
    --texto: #111827;
    --borde: #e5e7eb;
    --rojo: #b91c1c;
    --verde: #15803d;
    --sombra: 0 20px 55px rgba(0,0,0,.14);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--texto);
    background: var(--gris-claro);
}

a {
    color: inherit;
    text-decoration: none;
}

.login-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(200,155,60,.16), transparent 30%),
        linear-gradient(135deg, #07111f, #0f2a44);
}

.login-wrapper {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: min(100%, 460px);
    background: var(--blanco);
    border-radius: 28px;
    padding: 34px;
    box-shadow: var(--sombra);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    letter-spacing: 1px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--dorado), #efc66a);
    color: var(--azul-profundo);
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 900;
}

.login-card h1 {
    margin: 26px 0 8px;
    font-size: 34px;
}

.intro, .small {
    color: var(--gris);
    line-height: 1.6;
}

.form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--azul);
    font-weight: 800;
}

input {
    border: 1px solid #d1d5db;
    border-radius: 12px;
    padding: 13px 14px;
    font: inherit;
}

input:focus {
    outline: 2px solid rgba(200,155,60,.35);
    border-color: var(--dorado);
}

button {
    border: none;
    background: var(--dorado);
    color: var(--azul-profundo);
    font-weight: 900;
    padding: 13px 18px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background: #e1b95e;
}

.alert {
    background: #fee2e2;
    color: var(--rojo);
    padding: 12px 14px;
    border-radius: 12px;
    margin-top: 18px;
    font-weight: 700;
}

.topbar {
    background: var(--azul-profundo);
    color: var(--blanco);
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(20px, calc((100vw - 1120px) / 2));
}

.topbar nav {
    display: flex;
    gap: 18px;
}

.topbar nav a {
    color: rgba(255,255,255,.82);
}

.topbar nav a:hover {
    color: var(--dorado);
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0;
}

.welcome {
    background: var(--blanco);
    padding: 32px;
    border-radius: 24px;
    box-shadow: 0 12px 32px rgba(0,0,0,.06);
    border: 1px solid var(--borde);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--dorado);
    text-transform: uppercase;
    letter-spacing: 1.7px;
    font-size: 12px;
    font-weight: 900;
}

.welcome h1 {
    margin: 0 0 10px;
    font-size: clamp(30px, 5vw, 46px);
}

.welcome p {
    color: var(--gris);
    line-height: 1.7;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 24px;
}

.card {
    background: var(--blanco);
    border: 1px solid var(--borde);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 12px 32px rgba(0,0,0,.06);
}

.card h2 {
    margin: 0 0 10px;
}

.card p {
    color: var(--gris);
}

.tag {
    display: inline-flex;
    margin-top: 10px;
    font-size: 12px;
    color: var(--azul);
    background: #e0f2fe;
    padding: 6px 9px;
    border-radius: 999px;
    font-weight: 800;
}

.tag.ok {
    color: var(--verde);
    background: #dcfce7;
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px;
        gap: 16px;
    }
}

@media (max-width: 560px) {
    .grid {
        grid-template-columns: 1fr;
    }
}