/* Nobelium — pantalla de login (Layout=null) */

:root {
    --login-bg: #0b1833;
    --login-panel: #0f2348;
    --login-brand-bg: #0d2347;
    --login-form-bg: #10264b;
    --login-gold: #d7a227;
    --login-gold-line: #c89b28;
    --login-text-muted: #c9d2df;
    --login-link: #8bb6ff;
    --login-btn: #2d67df;
    --login-btn-hover: #3c78f0;
    --login-error-bg: rgba(239, 68, 68, 0.15);
    --login-error-text: #fca5a5;
    --login-warning-bg: rgba(245, 158, 11, 0.15);
    --login-warning-text: #fcd34d;
}

.login-page,
.login-page * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.login-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--login-bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.25rem;
}

.login-shell {
    width: 100%;
    max-width: 1000px;
}

.login-panel {
    display: flex;
    min-height: 560px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--login-panel);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.login-brand {
    width: 45%;
    background: var(--login-brand-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3.5rem 2.5rem;
    position: relative;
}

.login-brand::after {
    content: '';
    position: absolute;
    top: 12%;
    right: 0;
    width: 1px;
    height: 76%;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(255, 255, 255, 0.12) 20%,
        rgba(255, 255, 255, 0.12) 80%,
        transparent
    );
}

.login-brand__logo {
    width: 230px;
    max-width: 100%;
    height: auto;
    margin-bottom: 2.5rem;
    object-fit: contain;
}

.login-brand__wordmark {
    width: 320px;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.login-brand__tagline {
    width: 320px;
    max-width: 100%;
    height: auto;
    margin-top: 1rem;
    object-fit: contain;
    display: block;
}

.login-form-side {
    width: 55%;
    background: var(--login-form-bg);
    padding: 4rem 4.25rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-form-side h1 {
    color: #fff;
    font-size: 1.875rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.login-form-side .subtitle {
    color: var(--login-text-muted);
    margin-top: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.login-alert {
    border-radius: 8px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    line-height: 1.45;
}

.login-alert--danger {
    background: var(--login-error-bg);
    color: var(--login-error-text);
    border: 1px solid rgba(239, 68, 68, 0.35);
}

.login-alert--warning {
    background: var(--login-warning-bg);
    color: var(--login-warning-text);
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.login-field {
    margin-bottom: 1.35rem;
}

.login-field label {
    display: block;
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.login-input-wrap {
    position: relative;
}

.login-input-wrap > i.field-icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 0.95rem;
    pointer-events: none;
}

.login-input-wrap > input {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: 7px;
    padding: 0 2.75rem 0 2.65rem;
    font-size: 0.9375rem;
    color: #1f2937;
    background: #fff;
    outline: none;
    transition: box-shadow 0.2s ease;
}

.login-input-wrap > input:focus {
    box-shadow: 0 0 0 3px rgba(45, 103, 223, 0.35);
}

.login-input-wrap > input:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    background: #e5e7eb;
}

.login-input-wrap > input::placeholder {
    color: #9ca3af;
}

.password-toggle {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: transparent;
    color: #9ca3af;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.password-toggle:hover {
    color: #6b7280;
}

.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
    color: #fff;
    font-size: 0.875rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.login-remember {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    user-select: none;
}

.login-remember input {
    width: 15px;
    height: 15px;
    accent-color: var(--login-btn);
    cursor: pointer;
    flex-shrink: 0;
}

.login-remember:focus-within {
    outline: none;
}

.login-remember input:focus-visible {
    outline: 2px solid var(--login-gold);
    outline-offset: 2px;
}

.login-remember__tooltip {
    position: absolute;
    left: 0;
    bottom: calc(100% + 0.55rem);
    z-index: 2;
    width: max-content;
    max-width: 16.5rem;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    background: #071225;
    color: var(--login-text-muted);
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.35;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.login-remember__tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0.55rem;
    border: 6px solid transparent;
    border-top-color: #071225;
}

.login-remember:hover .login-remember__tooltip,
.login-remember:focus-within .login-remember__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.login-options a {
    color: var(--login-link);
    text-decoration: none;
}

.login-options a:hover {
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    background: var(--login-btn);
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login:hover:not(:disabled) {
    background: var(--login-btn-hover);
}

.btn-login:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.login-page .btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    margin-top: 1.25rem;
    color: var(--login-text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    width: 100%;
}

.login-page .btn-back:hover {
    color: #fff;
}

.btn-login.loading {
    position: relative;
    color: transparent;
}

.btn-login.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: login-spin 0.6s linear infinite;
}

@keyframes login-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
    .login-panel {
        flex-direction: column;
        min-height: auto;
    }

    .login-brand,
    .login-form-side {
        width: 100%;
    }

    .login-brand {
        padding: 2.5rem 1.75rem 2rem;
    }

    .login-brand::after {
        top: auto;
        bottom: 0;
        right: 12%;
        width: 76%;
        height: 1px;
        background: linear-gradient(
            to right,
            transparent,
            rgba(255, 255, 255, 0.12) 20%,
            rgba(255, 255, 255, 0.12) 80%,
            transparent
        );
    }

    .login-brand__logo {
        width: 180px;
        margin-bottom: 1.75rem;
    }

    .login-brand__wordmark {
        width: 260px;
    }

    .login-brand__tagline {
        width: 260px;
    }

    .login-form-side {
        padding: 2rem 1.75rem 2.5rem;
    }
}

@media (max-width: 480px) {
    .login-page {
        padding: 0.75rem;
    }

    .login-brand__wordmark {
        width: 220px;
    }

    .login-brand__tagline {
        width: 220px;
    }

    .login-form-side h1 {
        font-size: 1.5rem;
    }
}