/**
 * Login moderno — Grupo Sánchez
 */
.login-page {
    --gs-navy: #221070;
    --gs-navy-light: #3424a8;
    --gs-gold: #f8b504;
    --gs-gold-soft: rgba(248, 181, 4, 0.15);
    --gs-text: #1a1d21;
    --gs-muted: #6b7280;
    --gs-surface: #ffffff;
    --gs-radius: 1.25rem;
    --gs-text-base: 1.03125rem; /* 16.5px, +1.5pt */
    min-height: 100vh;
    margin: 0;
    font-family: "Montserrat", "Segoe UI", system-ui, sans-serif;
    font-size: var(--gs-text-base);
    color: var(--gs-text);
    background: var(--gs-navy);
}

.login-page__loader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.75rem;
    background: rgba(15, 10, 40, 0.72);
    backdrop-filter: blur(4px);
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.login-page__loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-page__shell {
    display: flex;
    min-height: 100vh;
}

/* Panel marca (izquierda en desktop) */
.login-page__brand-panel {
    display: none;
    flex: 1;
    position: relative;
    padding: 3rem;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 20% 20%, var(--gs-gold-soft), transparent 55%),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgba(255, 255, 255, 0.06), transparent 50%),
        linear-gradient(145deg, var(--gs-navy) 0%, var(--gs-navy-light) 48%, #1a0d5c 100%);
}

.login-page__brand-panel::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(248, 181, 4, 0.08);
    top: -120px;
    right: -80px;
    pointer-events: none;
}

.login-page__brand-inner {
    position: relative;
    z-index: 1;
    max-width: 400px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-page__brand-logo {
    width: min(280px, 70%);
    height: auto;
    margin-bottom: 2.5rem;
}

.login-page__brand-tag {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gs-gold);
    margin: 0 0 0.85rem;
}

.login-page__brand-headline {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 3.5vw, 2.65rem);
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
}

.login-page__brand-copy {
    margin: 0;
    font-size: 1.125rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.8);
    max-width: 36ch;
}

/* Panel formulario */
.login-page__form-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    background:
        radial-gradient(ellipse 90% 70% at 50% -10%, var(--gs-gold-soft), transparent 45%),
        linear-gradient(180deg, #f0f2f8 0%, #e8ecf4 100%);
}

.login-page__form-panel > .alert,
.login-page__form-panel > .row-fluid {
    width: 100%;
    max-width: 400px;
    margin-bottom: 1rem;
}

.login-page__mobile-brand {
    display: block;
    text-align: center;
    margin: -2rem -1.25rem 1.75rem;
    padding: 1.5rem 1.25rem;
    background: linear-gradient(145deg, var(--gs-navy) 0%, var(--gs-navy-light) 100%);
}

.login-page__mobile-logo {
    width: min(200px, 55vw);
    height: auto;
}

.login-page__card {
    width: 100%;
    max-width: 440px;
    background: var(--gs-surface);
    border-radius: var(--gs-radius);
    padding: 2.25rem 2rem;
    box-shadow:
        0 4px 6px -1px rgba(34, 16, 112, 0.06),
        0 20px 40px -12px rgba(34, 16, 112, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.login-page__card-title {
    margin: 0 0 0.4rem;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--gs-navy);
}

.login-page__card-subtitle {
    margin: 0 0 1.85rem;
    font-size: 1.05rem;
    color: var(--gs-muted);
}

.login-page__field {
    margin-bottom: 1.1rem;
}

.login-page__label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gs-text);
}

.login-page__input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    --login-icon-size: 22px;
    --login-icon-inset: 1.125rem;
    --login-icon-gap: 0.875rem;
}

.login-page__input-icon {
    position: absolute;
    left: var(--login-icon-inset);
    width: var(--login-icon-size);
    height: var(--login-icon-size);
    opacity: 0.6;
    pointer-events: none;
    z-index: 2;
}

.login-page__field .form-control {
    width: 100%;
    padding: 0.85rem 1rem 0.85rem calc(var(--login-icon-inset) + var(--login-icon-size) + var(--login-icon-gap));
    font-size: 1.05rem;
    color: var(--gs-text);
    background: #f8f9fc;
    border: 1px solid #e2e6ef;
    border-radius: 0.65rem;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.login-page__field .form-control::placeholder {
    color: #9ca3af;
}

.login-page__field .form-control:focus {
    background: #fff;
    border-color: var(--gs-gold);
    box-shadow: 0 0 0 3px var(--gs-gold-soft);
    outline: 0;
}

.login-page__submit {
    margin-top: 1.5rem;
}

.login-page__submit .btn-login {
    width: 100%;
    padding: 0.95rem 1.15rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #fff;
    background: linear-gradient(135deg, var(--gs-navy) 0%, var(--gs-navy-light) 100%);
    border: none;
    border-radius: 0.65rem;
    box-shadow: 0 4px 14px rgba(34, 16, 112, 0.35);
    transition: transform 0.15s, box-shadow 0.2s;
}

.login-page__submit .btn-login:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(34, 16, 112, 0.4);
}

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

.login-page__forgot {
    margin-top: 1.25rem;
    text-align: center;
}

.login-page__forgot a {
    font-size: 0.98rem;
    font-weight: 500;
    color: var(--gs-navy-light);
    text-decoration: none;
}

.login-page__forgot a:hover {
    color: var(--gs-gold);
    text-decoration: underline;
}

.login-page .field-validation-error {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.9rem;
    color: #dc3545;
}

.login-page__loader .text-white {
    font-size: 1.05rem;
}

/* Legacy: recuperar clave, etc. */
.login-page__form-panel .title-login {
    display: block;
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--gs-navy) !important;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.login-page__form-panel .texto-login {
    text-align: center;
    color: var(--gs-muted) !important;
    margin-bottom: 1.5rem;
}

.login-page__form-panel .loginbox {
    width: 100%;
    max-width: 400px;
    height: auto !important;
    background: var(--gs-surface);
    border-radius: var(--gs-radius);
    padding: 2rem 1.75rem;
    box-shadow: 0 20px 40px -12px rgba(34, 16, 112, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.login-page__form-panel .loginbox h1,
.login-page__form-panel .loginbox-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gs-navy);
    margin-bottom: 1.25rem;
}

.login-page__form-panel .icon-login {
    border: 0;
    margin-bottom: 1rem;
}

.login-page__form-panel .icon-login .input-group {
    border: 1px solid #e2e6ef;
    border-radius: 0.65rem;
    background: #f8f9fc;
    overflow: hidden;
}

.login-page__form-panel .icon-login .input-group-text {
    padding-left: 1.125rem !important;
    padding-right: 0.5rem !important;
}

.login-page__form-panel .icon-login .input-group-text img {
    width: 22px;
    height: 22px;
}

.login-page__form-panel .icon-login .form-control {
    padding-left: 0.75rem !important;
}

.login-page__form-panel .icon-login .input-group:focus-within {
    border-color: var(--gs-gold);
    box-shadow: 0 0 0 3px var(--gs-gold-soft);
}

.login-page__form-panel .icon-login .input-group-text,
.login-page__form-panel .icon-login .form-control {
    border: 0;
    background: transparent;
    box-shadow: none;
    font-size: 1.05rem !important;
    min-height: 2.85rem;
}

.login-page__form-panel .btn-edusa-blue-login {
    width: 100%;
    padding: 0.8rem;
    font-weight: 600;
    color: #fff !important;
    background: linear-gradient(135deg, var(--gs-navy), var(--gs-navy-light)) !important;
    border: none !important;
    border-radius: 0.65rem !important;
    box-shadow: 0 4px 14px rgba(34, 16, 112, 0.3);
}

@media (min-width: 992px) {
    .login-page__brand-panel {
        display: flex;
    }

    .login-page__mobile-brand {
        display: none !important;
    }

    .login-page__form-panel {
        margin: 0;
    }

    .login-page__form-panel {
        flex: 0 0 48%;
        max-width: 560px;
        padding: 3rem;
    }
}