.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8f8f8 0%, #ffffff 100%);
}

.login-container {
    width: 100%;
    max-width: 480px;
}

.login-card {
    background: var(--surface-color);
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px color-mix(in srgb, var(--default-color), transparent 85%);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--heading-color);
}

.login-header p {
    color: var(--default-color);
    font-size: 14px;
    opacity: 0.7;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .input-group-custom {
    position: relative;
    margin-bottom: 20px;
}

/* Hijo directo a propósito: sin el ">", este selector también agarraba el <i> de adentro
   del botón de mostrar contraseña y lo mandaba a la izquierda del input. */
.login-form .input-group-custom > i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: color-mix(in srgb, var(--default-color), transparent 50%);
    z-index: 2;
    transition: color 0.3s ease;
}

.login-form .input-group-custom:focus-within > i {
    color: var(--accent-color);
}

.login-form .form-control {
    padding: 15px 18px 15px 50px;
    border-radius: 10px;
    border: 2px solid color-mix(in srgb, var(--default-color), transparent 88%);
    background-color: transparent;
    color: var(--default-color);
    font-size: 15px;
    transition: all 0.3s ease;
}

.login-form .form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent-color), transparent 92%);
    outline: none;
}

.login-form .form-control::placeholder {
    color: color-mix(in srgb, var(--default-color), transparent 55%);
}

/* Botón de mostrar/ocultar contraseña, dentro del propio input. */
.password-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    color: color-mix(in srgb, var(--default-color), transparent 45%);
    transition: all 0.3s ease;
}

.password-toggle:hover {
    color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color), transparent 92%);
}

.password-toggle i {
    font-size: 17px;
}

/* Deja lugar al botón para que no se superponga con el texto de la contraseña. */
.login-form .input-group-custom:has(.password-toggle) .form-control {
    padding-right: 52px;
}

.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: var(--accent-color);
    color: var(--contrast-color);
    border: none;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-login i {
    font-size: 18px;
    transition: transform 0.3s ease;
}

.btn-login:hover {
    background: color-mix(in srgb, var(--accent-color), #000 15%);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px color-mix(in srgb, var(--accent-color), transparent 70%);
}

.btn-login:hover i {
    transform: translateX(3px);
}

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

.login-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
}

.login-footer p {
    color: var(--default-color);
    font-size: 14px;
    margin: 0;
}

.login-footer a {
    color: var(--accent-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.alert-custom {
    display: none;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
    border: 1px solid transparent;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-custom.error {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.alert-custom.success {
    background-color: #dcfce7;
    border-color: #86efac;
    color: #15803d;
}

.alert-custom.info {
    background-color: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }

    .login-header h1 {
        font-size: 24px;
    }

    .login-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .login-actions a {
        width: 100%;
    }
}

/* ---- Segundo paso (2FA) ---- */
[hidden] {
    display: none !important;
}

.login-hint {
    margin: 0 0 20px;
    text-align: center;
    color: #4b5563;
}

.setup-box {
    margin-bottom: 20px;
    text-align: center;
}

.setup-steps {
    margin: 0 0 15px;
    padding-left: 20px;
    text-align: left;
    color: #4b5563;
}

.qr-image {
    display: block;
    margin: 0 auto 12px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
}

.setup-manual {
    margin: 0;
    font-size: 13px;
    color: #6b7280;
}

.secret-key {
    display: block;
    margin-top: 6px;
    padding: 8px;
    background: #f3f4f6;
    border-radius: 6px;
    color: #111827;
    letter-spacing: 1px;
    word-break: break-all;
    user-select: all;
}

.login-back {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: none;
    border: none;
    color: #6b7280;
    cursor: pointer;
}

.login-back:hover {
    color: #111827;
    text-decoration: underline;
}