:root {
    --color-primary: #518bcd;
    --color-footer-title: #2c71a9;
    --footer-size: 20px;
    --color-primary-hover: #4578b5;
    --color-secondary: #2c466c;
    --color-secondary-hover: #243a58;
    --color-text: #333333;
    --color-label: #1c1c1c;
    --label-offset-left: 0.75rem;
    --color-text-muted: #666666;
    --color-border-input: #d9d9d9;
    --card-shadow: 8px 8px 12.9px 0 rgba(81, 139, 205, 0.2);
    --gradient-bg: linear-gradient(
        180deg,
        #ffffff 0%,
        #ffffff 35%,
        #d4e4f7 60%,
        #518bcd 130%
    );
    /* Proporciones similares a imgRfoperador, escaladas a tu pantalla */
    --card-max-width: min(26rem, 90vw);
    --logo-circle-size: clamp(7.5rem, 16vmin, 10rem);
    --logo-img-width: clamp(6.5rem, 14vw, 8.5rem);
    --card-radius: 2rem;
    --card-padding-x: clamp(2rem, 5vw, 2.75rem);
    /* Separación logo ↔ card (sin superposición) */
    --logo-card-gap: 1.25rem;
    --card-padding-top: 1.5rem;
    --card-padding-bottom: 1.25rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.login-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-primary);
    background-image: url('../img/fondo-login.png'), var(--gradient-bg);
    background-size: cover, 100% 100%;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    background-attachment: fixed, scroll;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: clamp(1rem, 3vh, 2rem) clamp(1rem, 3vw, 2rem);
    padding-bottom: 4.5rem;
    position: relative;
    overflow-x: hidden;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex: 1;
}

.login-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--logo-card-gap);
    width: 100%;
    max-width: var(--card-max-width);
    z-index: 10;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.logo-circle {
    width: var(--logo-circle-size);
    height: var(--logo-circle-size);
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    flex-shrink: 0;
}

.logo-img {
    width: var(--logo-img-width);
    height: auto;
    aspect-ratio: 212 / 95;
    object-fit: contain;
    display: block;
}


.login-card {
    width: 100%;
    background: #ffffff;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--card-padding-top) var(--card-padding-x) var(--card-padding-bottom);
    z-index: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.login-title {
    text-align: center;
    font-size: clamp(1.125rem, 2.2vw, 1.5rem);
    color: var(--color-text);
    margin: 0 0 0.875rem;
    font-weight: 700;
    line-height: 1.2;
}

.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-group label {
    font-family: 'Chivo', sans-serif;
    font-size: 16px;
    font-weight: 300;
    font-style: normal;
    line-height: 100%;
    letter-spacing: 0;
    color: var(--color-label);
    padding-left: var(--label-offset-left);
}

.form-group input,
.form-group input.login-input {
    padding: 0.7rem 1.125rem;
    border: 1px solid var(--color-border-input);
    border-radius: 999px;
    font-size: 0.9375rem;
    color: var(--color-text);
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group input.login-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(81, 139, 205, 0.15);
}

.form-group input::placeholder,
.form-group input.login-input::placeholder {
    color: #b0b0b0;
}

.login-form .btn-primary {
    margin-top: 0.25rem;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    padding: 0.8rem 1.25rem;
    border: none;
    border-radius: 999px;
    width: min(100%, 220px);
    align-self: center;
    margin-left: auto;
    margin-right: auto;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-secondary);
    color: #ffffff;
    padding: 0.8rem 1.25rem;
    border: none;
    border-radius: 999px;
    width: min(100%, 220px);
    align-self: center;
    margin-left: auto;
    margin-right: auto;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-secondary:hover {
    background: var(--color-secondary-hover);
    transform: translateY(-1px);
}

.forgot-password {
    text-align: center;
    color: var(--color-primary);
    font-size: 0.875rem;
    text-decoration: underline;
    margin-top: 0.75rem;
    display: block;
    transition: color 0.2s ease;
}

.forgot-password:hover {
    color: var(--color-primary-hover);
}

/* Footer */
.login-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding: clamp(0.75rem, 2vh, 1.25rem) clamp(1rem, 4vw, 2.5rem);
}

.footer-left {
    font-family: 'Chivo', sans-serif;
    font-size: var(--footer-size);
    font-weight: 700;
    font-style: normal;
    line-height: 100%;
    letter-spacing: 0;
    color: var(--color-footer-title);
}

.footer-logo {
    display: block;
    height: var(--footer-size);
    width: auto;
    flex-shrink: 0;
}

/* Pantallas muy bajas */
@media (max-height: 700px) {
    body {
        justify-content: flex-start;
        padding-top: 0.75rem;
    }

    :root {
        --logo-circle-size: clamp(10.5rem, 14vmin, 8.5rem);
    }
}