:root {
    --bg: #efefef;
    --panel: #f8f8f8;
    --line: #d8d8d8;
    --text: #2c2a29;
    --muted: #6d6d6d;
    --yellow: #fdda24;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.header-top {
    background: #fff;
    border-bottom: 1px solid #dedede;
    padding: 12px 18px;
}

.header-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 22px;
}

.header-slot {
    width: 90px;
}

.logo-header {
    position: absolute;
    left: 50%;
    top: 50%;
    height: 24px;
    transform: translate(-50%, -50%);
}

.btn-salir {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #4d4d4d;
    text-decoration: none;
    font-size: 13px;
}

.btn-salir .arrow {
    font-size: 18px;
    line-height: 1;
}

.page-shell {
    position: relative;
    flex: 1;
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 70px 20px 90px;
}

.center-stage {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 520px;
    text-align: center;
}

.titulo-principal {
    margin: 0 0 18px;
    font-size: 22px;
    font-weight: 700;
}

.form-container {
    width: 100%;
    max-width: 372px;
    margin: 0 auto;
}

.form-box {
    background: var(--panel);
    border-radius: 14px;
    padding: 32px 30px 30px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.descripcion {
    margin: 0 0 24px;
    color: #555;
    font-size: 13px;
    line-height: 1.45;
}

.descripcion strong {
    color: var(--text);
}

.campo-usuario {
    position: relative;
    margin-bottom: 8px;
    text-align: left;
}

.icono {
    position: absolute;
    left: 0;
    bottom: 9px;
    width: 16px;
    height: 16px;
    opacity: 0.65;
}

.input-user {
    width: 100%;
    border: 0;
    border-bottom: 2px solid var(--yellow);
    background: transparent;
    padding: 18px 0 6px 20px;
    color: var(--text);
    font-size: 14px;
    outline: none;
}

.placeholder-usuario {
    position: absolute;
    left: 20px;
    top: 0;
    color: #666;
    font-size: 11px;
    pointer-events: none;
}

.olv {
    margin: 8px 0 26px;
    text-align: left;
}

.olv a {
    color: transparent;
    font-size: 0;
    text-decoration: none;
    pointer-events: none;
}

.botones {
    display: flex;
    gap: 10px;
}

.btn-volver,
.btn-continuar {
    flex: 1;
    min-height: 34px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.btn-volver {
    border: 1px solid #777;
    background: #fff;
    color: #1d1d1d;
}

.btn-continuar {
    border: 0;
    background: var(--yellow);
    color: #1d1d1d;
}

.trazo {
    position: absolute;
    z-index: 1;
    width: min(96vw, 1600px);
    max-width: none;
    pointer-events: none;
    user-select: none;
}

.trazo-desktop {
    left: 50%;
    top: 46%;
    transform: translate(-50%, -50%);
}

.trazo-mobile {
    display: none;
}

.footer-container {
    padding: 0 34px 18px;
}

.footer-line {
    height: 1px;
    background: #cfcfcf;
    margin-bottom: 8px;
}

.footer-content {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
}

.footer-logos {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.logo-intermedio {
    width: 120px;
}

.logo-intermedio img {
    width: 100%;
    display: block;
}

.logo-vigilado {
    width: 113px;
}

.logo-vigilado img {
    width: 100%;
    display: block;
}

.info-footer {
    text-align: right;
    color: #5b5b5b;
    font-size: 10px;
    line-height: 1.3;
}

.password-wrapper {
    position: relative;
    width: 100%;
    margin: 30px 0;
    display: flex;
    justify-content: center;
    cursor: text;
}

.password-slots {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.password-slot {
    width: 40px;
    height: 40px;
    border-bottom: 2px solid #555;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    line-height: 1;
    color: #000;
}

.password-slot.active {
    border-bottom: 2px solid var(--yellow);
}

.real-password-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: text;
    font-size: 1px;
}

@media (max-width: 900px) {
    .page-shell {
        min-height: auto;
        padding-top: 90px;
        padding-bottom: 70px;
    }

    .trazo {
        width: 128vw;
        opacity: 0.92;
    }

    .trazo-desktop {
        left: 50%;
        top: 42%;
        transform: translate(-50%, -50%);
    }
}

@media (max-width: 640px) {
    body {
        display: block;
        min-height: auto;
    }

    .header-top {
        padding: 10px 6px;
    }

    .logo-header {
        height: 19px;
    }

    .btn-salir {
        font-size: 11px;
    }

    .page-shell {
        min-height: auto;
        display: block;
        flex: none;
        padding: 16px 8px 0;
    }

    .center-stage {
        width: 100%;
        max-width: 332px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .titulo-principal {
        margin-bottom: 8px;
        font-size: 16px;
    }

    .form-box {
        border-radius: 10px;
        padding: 18px 18px 16px;
    }

    .descripcion {
        margin-bottom: 16px;
        font-size: 11px;
        line-height: 1.5;
    }

    .form-container {
        max-width: 332px;
        width: 100%;
    }

    .campo-usuario {
        margin-bottom: 6px;
    }

    .input-user {
        padding-top: 16px;
        font-size: 13px;
    }

    .placeholder-usuario {
        font-size: 10px;
    }

    .olv {
        margin: 4px 0 12px;
        text-align: right;
    }

    .olv a {
        color: #8a8a8a;
        font-size: 9px;
        pointer-events: auto;
    }

    .botones {
        gap: 8px;
    }

    .btn-volver,
    .btn-continuar {
        min-height: 32px;
        font-size: 12px;
    }

    .btn-continuar {
        background: #b8bbc3;
    }

    .trazo-desktop {
        display: none;
    }

    .trazo-mobile {
        display: block;
        position: relative;
        left: auto;
        bottom: auto;
        width: 100%;
        max-width: 332px;
        margin: 8px auto 0;
        transform: none;
    }

    .footer-container {
        padding: 0 8px 0;
    }

    .footer-line {
        margin-bottom: 6px;
    }

    .footer-content {
        align-items: center;
        flex-direction: column;
        gap: 6px;
    }

    .footer-logos {
        gap: 4px;
        align-items: center;
    }

    .logo-intermedio {
        width: 122px;
    }

    .logo-vigilado {
        width: 108px;
    }

    .info-footer {
        text-align: center;
        font-size: 9px;
        line-height: 1.25;
    }
}

@media (max-width: 380px) {
    .password-slot {
        width: 30px;
        height: 30px;
        font-size: 24px;
    }

    .password-slots {
        gap: 8px;
    }
}