* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --login-touch: 48px;
    --login-safe-top: env(safe-area-inset-top, 0px);
    --login-safe-right: env(safe-area-inset-right, 0px);
    --login-safe-bottom: env(safe-area-inset-bottom, 0px);
    --login-safe-left: env(safe-area-inset-left, 0px);
    --login-accent: #ed7e32;
    --login-navy: #392149;
}

html {
    -webkit-text-size-adjust: 100%;
}

.login-body {
    background: url("../img/Pantalla.png") no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    min-height: 100dvh;
}

.bg-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(120deg, rgba(36, 21, 47, .82), rgba(57, 33, 73, .58));
    pointer-events: none;
}

.login-shell {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding:
        calc(20px + var(--login-safe-top))
        calc(5% + var(--login-safe-right))
        calc(20px + var(--login-safe-bottom))
        calc(20px + var(--login-safe-left));
}

.login-card {
    width: min(430px, 100%);
    background: rgba(255, 255, 255, .14);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 22px;
    padding: 40px;
    color: #fff;
    box-shadow: 0 20px 45px rgba(0, 0, 0, .35);
    animation: fadeUp .8s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-brand .bia {
    color: var(--login-accent);
    font-weight: 700;
    letter-spacing: 8px;
    font-size: clamp(1rem, 3vw, 1.15rem);
}

.login-brand .lex {
    font-weight: 700;
    font-size: clamp(2rem, 8vw, 42px);
    line-height: 1.05;
    margin: 0;
}

.sub {
    color: #ececec;
    font-size: clamp(.85rem, 2.5vw, .9rem);
    line-height: 1.45;
    margin-top: 8px;
}

.form-label {
    color: #fff;
    font-weight: 500;
    font-size: .92rem;
}

.login-input-group {
    border-radius: 12px;
    overflow: hidden;
}

.input-group-text {
    background: var(--login-navy);
    color: #fff;
    border: none;
    min-width: var(--login-touch);
    justify-content: center;
}

.form-control {
    border: none;
    padding: 12px 14px;
    min-height: var(--login-touch);
    font-size: 16px;
}

.form-control:focus {
    box-shadow: 0 0 0 .25rem rgba(242, 140, 40, .25);
}

.btn-login {
    background: var(--login-accent);
    color: #fff;
    font-weight: 600;
    padding: 14px 16px;
    min-height: var(--login-touch);
    border-radius: 12px;
    border: none;
    transition: .3s;
    font-size: 1rem;
    -webkit-tap-highlight-color: transparent;
}

.btn-login:hover {
    background: #ff9d3a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(242, 140, 40, .35);
}

.btn-login:active {
    transform: translateY(0) scale(0.99);
}

.login-divider {
    border-color: rgba(255, 255, 255, .22);
    margin: 1.25rem 0;
}

.footer-login {
    color: #ddd;
    font-size: .8rem;
    line-height: 1.4;
}

.login-card-clientes {
    width: min(460px, 100%);
}

.cliente-picker-copy {
    color: #ececec;
    font-size: clamp(.88rem, 2.5vw, .92rem);
    line-height: 1.5;
    margin-bottom: 18px;
}

.cliente-picker {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cliente-picker-card {
    cursor: pointer;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}

.cliente-picker-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.cliente-picker-body {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    min-height: var(--login-touch);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, .22);
    background: rgba(8, 25, 46, .28);
    transition: .2s ease;
}

.cliente-picker-card:hover .cliente-picker-body,
.cliente-picker-card input:checked + .cliente-picker-body {
    border-color: var(--login-accent);
    background: rgba(242, 140, 40, .16);
    box-shadow: 0 0 0 1px rgba(242, 140, 40, .35);
}

.cliente-picker-logo {
    width: 46px;
    height: 46px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    padding: 4px;
    flex-shrink: 0;
}

.cliente-picker-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cliente-picker-text strong {
    color: #fff;
    font-size: .95rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cliente-picker-text small {
    color: #d6d6d6;
}

.cliente-picker-check {
    color: transparent;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.cliente-picker-card input:checked + .cliente-picker-body .cliente-picker-check {
    color: var(--login-accent);
}

.cliente-picker-logout {
    color: #ececec;
    font-size: .9rem;
    text-decoration: none;
    padding: 8px 4px;
    display: inline-block;
    min-height: var(--login-touch);
    line-height: calc(var(--login-touch) - 16px);
}

.cliente-picker-logout:hover {
    color: #fff;
    text-decoration: underline;
}

.alert,
.login-alert {
    border-radius: 10px;
    font-size: .92rem;
}

/* ——— Tablet / móvil ——— */
@media (max-width: 992px) {
    .login-body {
        background-attachment: scroll;
    }

    .login-shell {
        justify-content: center;
        padding:
            calc(16px + var(--login-safe-top))
            calc(16px + var(--login-safe-right))
            calc(16px + var(--login-safe-bottom))
            calc(16px + var(--login-safe-left));
    }

    .login-card,
    .login-card-clientes {
        width: 100%;
        max-width: 420px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .login-card {
        padding: 28px 22px;
        border-radius: 18px;
    }

    .login-brand .bia {
        letter-spacing: 5px;
    }

    .login-brand .lex {
        letter-spacing: 1px;
    }

    .cliente-picker-body {
        padding: 14px 12px;
    }

    .cliente-picker-text strong {
        white-space: normal;
    }
}

@media (max-width: 380px) {
    .login-card {
        padding: 24px 18px;
    }

    .login-brand .bia {
        letter-spacing: 3px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-card {
        animation: none;
    }

    .btn-login:hover {
        transform: none;
    }
}